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  • Newfoundland and Labrador Standards
  • Science: 9th Grade

Newfoundland and Labrador - Science: 9th Grade

Newfoundland and Labrador Curriculum | Adopted: 2009

This correlation lists the recommended Gizmos for this province's curriculum standards. Click any Gizmo title below for more information.

1: : Atoms, Elements, and Compounds


1.3: : Properties of Matter

1.3.1: : investigate materials and describe them in terms of their physical properties and chemical properties

1.3.1.a: : distinguish between physical and chemical properties

Screenshot of Density Experiment: Slice and Dice

Density Experiment: Slice and Dice

Drop a chunk of material in a beaker of water and observe whether it sinks or floats. Cut the chunk into smaller pieces of any size, and observe what happens as they are dropped in the beaker. The mass and volume of each chunk can be measured to gain a clear understanding of density and buoyancy. 5 Minute Preview


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1.3.1.b: : list examples of physical and chemical properties. Include:

1.3.1.b.1: : Physical

1.3.1.b.1.iii: : electrical conductivity

Screenshot of Circuit Builder

Circuit Builder

Create circuits using batteries, light bulbs, switches, fuses, and a variety of materials. Examine series and parallel circuits, conductors and insulators, and the effects of battery voltage. Thousands of different circuits can be built with this Gizmo. 5 Minute Preview


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1.3.1.b.1.iv: : magnetism

Screenshot of Magnetic Induction

Magnetic Induction

Measure the strength and direction of the magnetic field at different locations in a laboratory. Compare the strength of the induced magnetic field to Earth's magnetic field. The direction and magnitude of the inducting current can be adjusted. 5 Minute Preview


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Launch Gizmo

1.3.1.b.1.vi: : density

Screenshot of Density Experiment: Slice and Dice

Density Experiment: Slice and Dice

Drop a chunk of material in a beaker of water and observe whether it sinks or floats. Cut the chunk into smaller pieces of any size, and observe what happens as they are dropped in the beaker. The mass and volume of each chunk can be measured to gain a clear understanding of density and buoyancy. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Density Laboratory

Density Laboratory

With a scale to measure mass, a graduated cylinder to measure volume, and a large beaker of liquid to observe flotation, the relationship between mass, volume, density, and flotation can be investigated. The density of the liquid in the beaker can be adjusted, and a variety of objects can be studied during the investigation. 5 Minute Preview


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1.3.1.b.2: : Chemical

1.3.1.b.2.i: : combustibility

Screenshot of Chemical Equations

Chemical Equations

Practice balancing chemical equations by changing the coefficients of reactants and products. As the equation is manipulated, the amount of each element is shown as individual atoms, histograms, or numerically. Molar masses of reactants and products can also be calculated and balanced to demonstrate conservation of mass. 5 Minute Preview


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1.3.2: : state a prediction and a hypothesis based on background information or an observed pattern of events

Screenshot of Seed Germination

Seed Germination

Perform experiments with several seed types to see what conditions yield the highest germination (sprouting) rate. Three different types of seeds can be studied, and the temperature, water and light in the germination chamber can be controlled. No two trials will have the same result so repeated trials are recommended. 5 Minute Preview


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Screenshot of Temperature and Sex Determination - Metric

Temperature and Sex Determination - Metric

Observe the sex ratios of birds and geckos as they hatch in an incubator. Vary the temperature of the incubator and measure the percentages of male and female hatchlings to determine if temperature has an effect on sex. 5 Minute Preview


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1.3.4: : organize data using a format that is appropriate to the task or experiment

Screenshot of Diffusion

Diffusion

Explore the motion of particles as they bounce around from one side of a room to the other through an adjustable gap or partition. The mass of the particles can be adjusted, as well as the temperature of the room and the initial number of particles. In a real-world context, this can be used to learn about how odors travel, fluids move through gaps, the thermodynamics of gases, and statistical probability. 5 Minute Preview


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Launch Gizmo
Screenshot of Seed Germination

Seed Germination

Perform experiments with several seed types to see what conditions yield the highest germination (sprouting) rate. Three different types of seeds can be studied, and the temperature, water and light in the germination chamber can be controlled. No two trials will have the same result so repeated trials are recommended. 5 Minute Preview


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1.4: : Atomic Theory

1.4.2: : identify major changes in atomic theory up to and including the Bohr model

1.4.2.a: : describe the contribution of various individuals (scientists) to the development of current atomic theory. Include:

1.4.2.a.iv: : Rutherford

Screenshot of Element Builder

Element Builder

Use protons, neutrons, and electrons to build elements. As the number of protons, neutrons, and electrons changes, information such as the name and symbol of the element, the Z, N, and A numbers, the electron dot diagram, and the group and period from the periodic table are shown. Each element is classified as a metal, metalloid, or nonmetal, and its state at room temperature is also given. 5 Minute Preview


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1.4.2.a.v: : Bohr

Screenshot of Bohr Model of Hydrogen

Bohr Model of Hydrogen

Shoot a stream of photons through a container of hydrogen gas. Observe how photons of certain energies are absorbed, causing the electron to move to different orbits. Build the spectrum of hydrogen based on photons that are absorbed and emitted. 5 Minute Preview


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Screenshot of Bohr Model: Introduction

Bohr Model: Introduction

Fire photons to determine the spectrum of a gas. Observe how an absorbed photon changes the orbit of an electron and how a photon is emitted from an excited electron. Calculate the energies of absorbed and emitted photons based on energy level diagrams. The light energy produced by the laser can be modulated, and a lamp can be used to view the entire absorption spectrum at once. 5 Minute Preview


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Launch Gizmo
Screenshot of Element Builder

Element Builder

Use protons, neutrons, and electrons to build elements. As the number of protons, neutrons, and electrons changes, information such as the name and symbol of the element, the Z, N, and A numbers, the electron dot diagram, and the group and period from the periodic table are shown. Each element is classified as a metal, metalloid, or nonmetal, and its state at room temperature is also given. 5 Minute Preview


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1.4.4: : use models in describing the structure and components of atoms

1.4.4.a: : define atom

Screenshot of Element Builder

Element Builder

Use protons, neutrons, and electrons to build elements. As the number of protons, neutrons, and electrons changes, information such as the name and symbol of the element, the Z, N, and A numbers, the electron dot diagram, and the group and period from the periodic table are shown. Each element is classified as a metal, metalloid, or nonmetal, and its state at room temperature is also given. 5 Minute Preview


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1.4.4.b: : distinguish among protons, neutrons, and electrons in terms of their:

1.4.4.b.i: : charge

Screenshot of Element Builder

Element Builder

Use protons, neutrons, and electrons to build elements. As the number of protons, neutrons, and electrons changes, information such as the name and symbol of the element, the Z, N, and A numbers, the electron dot diagram, and the group and period from the periodic table are shown. Each element is classified as a metal, metalloid, or nonmetal, and its state at room temperature is also given. 5 Minute Preview


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1.5: : Elements

1.5.1: : explain the importance of using words that are scientifically appropriate

1.5.1.a: : define element

Screenshot of Element Builder

Element Builder

Use protons, neutrons, and electrons to build elements. As the number of protons, neutrons, and electrons changes, information such as the name and symbol of the element, the Z, N, and A numbers, the electron dot diagram, and the group and period from the periodic table are shown. Each element is classified as a metal, metalloid, or nonmetal, and its state at room temperature is also given. 5 Minute Preview


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1.5.2: : identify and write chemical symbols for common elements. Include:

1.5.2.xvi: : Silicon

Screenshot of Ionic Bonds

Ionic Bonds

Simulate ionic bonds between a variety of metals and nonmetals. Select a metal and a nonmetal atom, and transfer electrons from one to the other. Observe the effect of gaining and losing electrons on charge, and rearrange the atoms to represent the molecular structure. Additional metal and nonmetal atoms can be added to the screen, and the resulting chemical formula can be displayed. 5 Minute Preview


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1.5.2.xx: : Lead

Screenshot of Ionic Bonds

Ionic Bonds

Simulate ionic bonds between a variety of metals and nonmetals. Select a metal and a nonmetal atom, and transfer electrons from one to the other. Observe the effect of gaining and losing electrons on charge, and rearrange the atoms to represent the molecular structure. Additional metal and nonmetal atoms can be added to the screen, and the resulting chemical formula can be displayed. 5 Minute Preview


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1.5.2.a: : recognize that elements are represented by an internationally agreed upon system of symbols

Screenshot of Electron Configuration

Electron Configuration

Create the electron configuration of any element by filling electron orbitals. Determine the relationship between electron configuration and atomic radius. Discover trends in atomic radii across periods and down families/groups of the periodic table. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Element Builder

Element Builder

Use protons, neutrons, and electrons to build elements. As the number of protons, neutrons, and electrons changes, information such as the name and symbol of the element, the Z, N, and A numbers, the electron dot diagram, and the group and period from the periodic table are shown. Each element is classified as a metal, metalloid, or nonmetal, and its state at room temperature is also given. 5 Minute Preview


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1.5.2.b: : identify each element symbol as either an uppercase symbol or an uppercase letter followed by a lower case letter.

Screenshot of Electron Configuration

Electron Configuration

Create the electron configuration of any element by filling electron orbitals. Determine the relationship between electron configuration and atomic radius. Discover trends in atomic radii across periods and down families/groups of the periodic table. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Element Builder

Element Builder

Use protons, neutrons, and electrons to build elements. As the number of protons, neutrons, and electrons changes, information such as the name and symbol of the element, the Z, N, and A numbers, the electron dot diagram, and the group and period from the periodic table are shown. Each element is classified as a metal, metalloid, or nonmetal, and its state at room temperature is also given. 5 Minute Preview


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Launch Gizmo

1.6: : Elements and the Periodic Table

1.6.1: : describe and explain the role of collecting evidence, finding relationships, and proposing explanations in the development of the periodic table

1.6.1.a: : identify the Periodic Table as a listing of all known elements

Screenshot of Electron Configuration

Electron Configuration

Create the electron configuration of any element by filling electron orbitals. Determine the relationship between electron configuration and atomic radius. Discover trends in atomic radii across periods and down families/groups of the periodic table. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Element Builder

Element Builder

Use protons, neutrons, and electrons to build elements. As the number of protons, neutrons, and electrons changes, information such as the name and symbol of the element, the Z, N, and A numbers, the electron dot diagram, and the group and period from the periodic table are shown. Each element is classified as a metal, metalloid, or nonmetal, and its state at room temperature is also given. 5 Minute Preview


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Launch Gizmo

1.6.1.c: : distinguish between atomic number and atomic mass

Screenshot of Element Builder

Element Builder

Use protons, neutrons, and electrons to build elements. As the number of protons, neutrons, and electrons changes, information such as the name and symbol of the element, the Z, N, and A numbers, the electron dot diagram, and the group and period from the periodic table are shown. Each element is classified as a metal, metalloid, or nonmetal, and its state at room temperature is also given. 5 Minute Preview


Lesson Info
Launch Gizmo

1.6.1.d: : using atomic mass and atomic number for an element, determine its number of protons, electrons, and neutrons

Screenshot of Element Builder

Element Builder

Use protons, neutrons, and electrons to build elements. As the number of protons, neutrons, and electrons changes, information such as the name and symbol of the element, the Z, N, and A numbers, the electron dot diagram, and the group and period from the periodic table are shown. Each element is classified as a metal, metalloid, or nonmetal, and its state at room temperature is also given. 5 Minute Preview


Lesson Info
Launch Gizmo

1.6.2: : using the Periodic Table, develop an understanding that the elements are grouped on the basis of similar characteristics. Include:

1.6.2.d: : define family

Screenshot of Ionic Bonds

Ionic Bonds

Simulate ionic bonds between a variety of metals and nonmetals. Select a metal and a nonmetal atom, and transfer electrons from one to the other. Observe the effect of gaining and losing electrons on charge, and rearrange the atoms to represent the molecular structure. Additional metal and nonmetal atoms can be added to the screen, and the resulting chemical formula can be displayed. 5 Minute Preview


Lesson Info
Launch Gizmo

1.7: : The Periodic Table and Atomic Theory

1.7.1: : identify examples of common elements, and compare their characteristics and atomic structure

1.7.1.b: : define valence energy level

Screenshot of Electron Configuration

Electron Configuration

Create the electron configuration of any element by filling electron orbitals. Determine the relationship between electron configuration and atomic radius. Discover trends in atomic radii across periods and down families/groups of the periodic table. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Element Builder

Element Builder

Use protons, neutrons, and electrons to build elements. As the number of protons, neutrons, and electrons changes, information such as the name and symbol of the element, the Z, N, and A numbers, the electron dot diagram, and the group and period from the periodic table are shown. Each element is classified as a metal, metalloid, or nonmetal, and its state at room temperature is also given. 5 Minute Preview


Lesson Info
Launch Gizmo

1.7.1.c: : define valence electron

Screenshot of Electron Configuration

Electron Configuration

Create the electron configuration of any element by filling electron orbitals. Determine the relationship between electron configuration and atomic radius. Discover trends in atomic radii across periods and down families/groups of the periodic table. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Element Builder

Element Builder

Use protons, neutrons, and electrons to build elements. As the number of protons, neutrons, and electrons changes, information such as the name and symbol of the element, the Z, N, and A numbers, the electron dot diagram, and the group and period from the periodic table are shown. Each element is classified as a metal, metalloid, or nonmetal, and its state at room temperature is also given. 5 Minute Preview


Lesson Info
Launch Gizmo

1.7.1.d: : draw Bohr-Rutherford diagrams for elements 1 to 18.

Screenshot of Bohr Model of Hydrogen

Bohr Model of Hydrogen

Shoot a stream of photons through a container of hydrogen gas. Observe how photons of certain energies are absorbed, causing the electron to move to different orbits. Build the spectrum of hydrogen based on photons that are absorbed and emitted. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Bohr Model: Introduction

Bohr Model: Introduction

Fire photons to determine the spectrum of a gas. Observe how an absorbed photon changes the orbit of an electron and how a photon is emitted from an excited electron. Calculate the energies of absorbed and emitted photons based on energy level diagrams. The light energy produced by the laser can be modulated, and a lamp can be used to view the entire absorption spectrum at once. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Element Builder

Element Builder

Use protons, neutrons, and electrons to build elements. As the number of protons, neutrons, and electrons changes, information such as the name and symbol of the element, the Z, N, and A numbers, the electron dot diagram, and the group and period from the periodic table are shown. Each element is classified as a metal, metalloid, or nonmetal, and its state at room temperature is also given. 5 Minute Preview


Lesson Info
Launch Gizmo

1.7.1.e: : identify the maximum number of electrons which exist in the first three energy levels

Screenshot of Bohr Model of Hydrogen

Bohr Model of Hydrogen

Shoot a stream of photons through a container of hydrogen gas. Observe how photons of certain energies are absorbed, causing the electron to move to different orbits. Build the spectrum of hydrogen based on photons that are absorbed and emitted. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Bohr Model: Introduction

Bohr Model: Introduction

Fire photons to determine the spectrum of a gas. Observe how an absorbed photon changes the orbit of an electron and how a photon is emitted from an excited electron. Calculate the energies of absorbed and emitted photons based on energy level diagrams. The light energy produced by the laser can be modulated, and a lamp can be used to view the entire absorption spectrum at once. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Electron Configuration

Electron Configuration

Create the electron configuration of any element by filling electron orbitals. Determine the relationship between electron configuration and atomic radius. Discover trends in atomic radii across periods and down families/groups of the periodic table. 5 Minute Preview


Lesson Info
Launch Gizmo

1.7.2: : interpret patterns and trends, and explain relationships among variables

1.7.2.a: : make comparisons of energy level diagrams for elements from the same family (group)

Screenshot of Electron Configuration

Electron Configuration

Create the electron configuration of any element by filling electron orbitals. Determine the relationship between electron configuration and atomic radius. Discover trends in atomic radii across periods and down families/groups of the periodic table. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Element Builder

Element Builder

Use protons, neutrons, and electrons to build elements. As the number of protons, neutrons, and electrons changes, information such as the name and symbol of the element, the Z, N, and A numbers, the electron dot diagram, and the group and period from the periodic table are shown. Each element is classified as a metal, metalloid, or nonmetal, and its state at room temperature is also given. 5 Minute Preview


Lesson Info
Launch Gizmo

1.8: : Chemical Compounds

1.8.1: : identify and write chemical formula of common compounds

1.8.1.b: : identify whether a simple compound is ionic or molecular (covalent).

Screenshot of Covalent Bonds

Covalent Bonds

Choose a substance, and then move electrons between atoms to form covalent bonds and build molecules. Observe the orbits of shared electrons in single, double, and triple covalent bonds. Compare the completed molecules to the corresponding Lewis diagrams. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Ionic Bonds

Ionic Bonds

Simulate ionic bonds between a variety of metals and nonmetals. Select a metal and a nonmetal atom, and transfer electrons from one to the other. Observe the effect of gaining and losing electrons on charge, and rearrange the atoms to represent the molecular structure. Additional metal and nonmetal atoms can be added to the screen, and the resulting chemical formula can be displayed. 5 Minute Preview


Lesson Info
Launch Gizmo

1.8.1.c: : identify that a compound is represented by a combination of element symbols known as a chemical formula, which indicates the proportion in which the elements are present

Screenshot of Chemical Equations

Chemical Equations

Practice balancing chemical equations by changing the coefficients of reactants and products. As the equation is manipulated, the amount of each element is shown as individual atoms, histograms, or numerically. Molar masses of reactants and products can also be calculated and balanced to demonstrate conservation of mass. 5 Minute Preview


Lesson Info
Launch Gizmo

1.9: : Naming Chemical Compounds

1.9.1: : identify and write chemical formula of common compounds

1.9.1.a: : list chemical formulas for some common chemical ionic compounds. Include:

1.9.1.a.i: : table salt or sodium chloride (NaCl)

Screenshot of Ionic Bonds

Ionic Bonds

Simulate ionic bonds between a variety of metals and nonmetals. Select a metal and a nonmetal atom, and transfer electrons from one to the other. Observe the effect of gaining and losing electrons on charge, and rearrange the atoms to represent the molecular structure. Additional metal and nonmetal atoms can be added to the screen, and the resulting chemical formula can be displayed. 5 Minute Preview


Lesson Info
Launch Gizmo

1.9.1.c: : list chemical formulas for some common chemical molecular (covalent) compounds. Include:

1.9.1.c.i: : sucrose or table sugar (C12H22O11)

Screenshot of Chemical Equations

Chemical Equations

Practice balancing chemical equations by changing the coefficients of reactants and products. As the equation is manipulated, the amount of each element is shown as individual atoms, histograms, or numerically. Molar masses of reactants and products can also be calculated and balanced to demonstrate conservation of mass. 5 Minute Preview


Lesson Info
Launch Gizmo

1.9.1.d: : name simple molecular (covalent) compounds

Screenshot of Covalent Bonds

Covalent Bonds

Choose a substance, and then move electrons between atoms to form covalent bonds and build molecules. Observe the orbits of shared electrons in single, double, and triple covalent bonds. Compare the completed molecules to the corresponding Lewis diagrams. 5 Minute Preview


Lesson Info
Launch Gizmo

1.10: : Changes in Matter

1.10.1: : describe changes in the properties of materials that result from some common chemical reactions

1.10.1.a: : distinguish between physical and chemical changes

Screenshot of Chemical Changes

Chemical Changes

Chemical changes result in the formation of new substances. But how can you tell if a chemical change has occurred? Explore this question by observing and measuring a variety of chemical reactions. Along the way you will learn about chemical equations, acids and bases, exothermic and endothermic reactions, and conservation of matter. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Density Experiment: Slice and Dice

Density Experiment: Slice and Dice

Drop a chunk of material in a beaker of water and observe whether it sinks or floats. Cut the chunk into smaller pieces of any size, and observe what happens as they are dropped in the beaker. The mass and volume of each chunk can be measured to gain a clear understanding of density and buoyancy. 5 Minute Preview


Lesson Info
Launch Gizmo

1.11: : Evidence of Change in Matter

1.11.1: : describe changes in the properties of materials that result from some common chemical reactions

1.11.1.b: : list examples of physical and chemical changes. Include:

Screenshot of Chemical Changes

Chemical Changes

Chemical changes result in the formation of new substances. But how can you tell if a chemical change has occurred? Explore this question by observing and measuring a variety of chemical reactions. Along the way you will learn about chemical equations, acids and bases, exothermic and endothermic reactions, and conservation of matter. 5 Minute Preview


Lesson Info
Launch Gizmo

1.11.1.c: : Physical

1.11.1.c.i: : change of state

Screenshot of Phase Changes

Phase Changes

Explore the relationship between molecular motion, temperature, and phase changes. Compare the molecular structure of solids, liquids, and gases. Graph temperature changes as ice is melted and water is boiled. Find the effect of altitude on phase changes. The starting temperature, ice volume, altitude, and rate of heating or cooling can be adjusted. 5 Minute Preview


Lesson Info
Launch Gizmo

1.11.1.c.ii: : cutting

Screenshot of Density Experiment: Slice and Dice

Density Experiment: Slice and Dice

Drop a chunk of material in a beaker of water and observe whether it sinks or floats. Cut the chunk into smaller pieces of any size, and observe what happens as they are dropped in the beaker. The mass and volume of each chunk can be measured to gain a clear understanding of density and buoyancy. 5 Minute Preview


Lesson Info
Launch Gizmo

1.11.1.d: : Chemical

1.11.1.d.ii: : fruit ripening

Screenshot of Chemical Changes

Chemical Changes

Chemical changes result in the formation of new substances. But how can you tell if a chemical change has occurred? Explore this question by observing and measuring a variety of chemical reactions. Along the way you will learn about chemical equations, acids and bases, exothermic and endothermic reactions, and conservation of matter. 5 Minute Preview


Lesson Info
Launch Gizmo

1.11.1.d.iii: : combustion

Screenshot of Chemical Equations

Chemical Equations

Practice balancing chemical equations by changing the coefficients of reactants and products. As the equation is manipulated, the amount of each element is shown as individual atoms, histograms, or numerically. Molar masses of reactants and products can also be calculated and balanced to demonstrate conservation of mass. 5 Minute Preview


Lesson Info
Launch Gizmo

1.11.1.e: : list evidence that a chemical change may have occurred. Include:

1.11.1.e.v: : process is difficult to reverse

Screenshot of Chemical Changes

Chemical Changes

Chemical changes result in the formation of new substances. But how can you tell if a chemical change has occurred? Explore this question by observing and measuring a variety of chemical reactions. Along the way you will learn about chemical equations, acids and bases, exothermic and endothermic reactions, and conservation of matter. 5 Minute Preview


Lesson Info
Launch Gizmo

1.11.3: : identify new questions about physical and chemical changes that arise from investigations

Screenshot of Diffusion

Diffusion

Explore the motion of particles as they bounce around from one side of a room to the other through an adjustable gap or partition. The mass of the particles can be adjusted, as well as the temperature of the room and the initial number of particles. In a real-world context, this can be used to learn about how odors travel, fluids move through gaps, the thermodynamics of gases, and statistical probability. 5 Minute Preview


Lesson Info
Launch Gizmo

1.11.4: : organize data using a format that is appropriate to the task or experiment

Screenshot of Diffusion

Diffusion

Explore the motion of particles as they bounce around from one side of a room to the other through an adjustable gap or partition. The mass of the particles can be adjusted, as well as the temperature of the room and the initial number of particles. In a real-world context, this can be used to learn about how odors travel, fluids move through gaps, the thermodynamics of gases, and statistical probability. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Seed Germination

Seed Germination

Perform experiments with several seed types to see what conditions yield the highest germination (sprouting) rate. Three different types of seeds can be studied, and the temperature, water and light in the germination chamber can be controlled. No two trials will have the same result so repeated trials are recommended. 5 Minute Preview


Lesson Info
Launch Gizmo

2: : Reproduction


2.1: : Function of the Nucleus

2.1.1: : recognize that the nucleus of a cell contains genetic information and determines cellular processes

2.1.1.a: : define traits

Screenshot of Mouse Genetics (One Trait)

Mouse Genetics (One Trait)

Breed "pure" mice with known genotypes that exhibit specific fur colors, and learn how traits are passed on via dominant and recessive genes. Mice can be stored in cages for future breeding, and the statistics of fur color are reported every time a pair of mice breed. Punnett squares can be used to predict results. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Mouse Genetics (Two Traits)

Mouse Genetics (Two Traits)

Breed "pure" mice with known genotypes that exhibit specific fur and eye colors, and learn how traits are passed on via dominant and recessive genes. Mice can be stored in cages for future breeding, and the statistics of fur and eye color are reported every time a pair of mice breed. Punnett squares can be used to predict results. 5 Minute Preview


Lesson Info
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2.1.1.b: : define heredity

Screenshot of Hardy-Weinberg Equilibrium

Hardy-Weinberg Equilibrium

Set the initial percentages of three types of parrots in a population and track changes in genotype and allele frequency through several generations. Analyze population data to develop an understanding of the Hardy-Weinberg equilibrium. Determine how initial allele percentages will affect the equilibrium state of the population. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Mouse Genetics (One Trait)

Mouse Genetics (One Trait)

Breed "pure" mice with known genotypes that exhibit specific fur colors, and learn how traits are passed on via dominant and recessive genes. Mice can be stored in cages for future breeding, and the statistics of fur color are reported every time a pair of mice breed. Punnett squares can be used to predict results. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Mouse Genetics (Two Traits)

Mouse Genetics (Two Traits)

Breed "pure" mice with known genotypes that exhibit specific fur and eye colors, and learn how traits are passed on via dominant and recessive genes. Mice can be stored in cages for future breeding, and the statistics of fur and eye color are reported every time a pair of mice breed. Punnett squares can be used to predict results. 5 Minute Preview


Lesson Info
Launch Gizmo

2.1.1.c: : explain the role of the nucleus and its contents in determining traits and controlling cell division

Screenshot of Cell Division

Cell Division

Begin with a single cell and watch as mitosis and cell division occurs. The cells will go through the steps of interphase, prophase, metaphase, anaphase, telophase, and cytokinesis. The length of the cell cycle can be controlled, and data related to the number of cells present and their current phase can be recorded. 5 Minute Preview


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Screenshot of RNA and Protein Synthesis

RNA and Protein Synthesis

Go through the process of synthesizing proteins through RNA transcription and translation. Learn about the many steps involved in protein synthesis including: unzipping of DNA, formation of mRNA, attaching of mRNA to the ribosome, and linking of amino acids to form a protein. 5 Minute Preview


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2.1.2: : explain the importance of using the terms gene and chromosome properly

2.1.2.b: : describe chromosomes as being composed of numerous genes

Screenshot of Human Karyotyping

Human Karyotyping

Sort and pair the images of human chromosomes obtained in a scan. Find differences in the scans of the various patients to find out specific things that can cause disease, as well as determining the sex of the person. 5 Minute Preview


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2.2: : Mutations

2.2.1: : discuss factors that may lead to changes in a cellâ??s genetic information

2.2.1.a: : define mutation

Screenshot of Evolution: Mutation and Selection

Evolution: Mutation and Selection

Observe evolution in a fictional population of bugs. Set the background to any color, and see natural selection taking place. Inheritance of color occurs according to Mendel's laws and probability. Mutations occur at random, and probability of capture by predators is determined by the insect's camouflage. 5 Minute Preview


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Screenshot of Evolution: Natural and Artificial Selection

Evolution: Natural and Artificial Selection

Observe evolution in a fictional population of bugs. Set the background to any color, and see natural selection taking place. Compare the processes of natural and artificial selection. Manipulate the mutation rate, and determine how mutation rate affects adaptation and evolution. 5 Minute Preview


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2.2.2: : give examples of mutations caused by:

2.2.2.ii: : human activity

Screenshot of Evolution: Mutation and Selection

Evolution: Mutation and Selection

Observe evolution in a fictional population of bugs. Set the background to any color, and see natural selection taking place. Inheritance of color occurs according to Mendel's laws and probability. Mutations occur at random, and probability of capture by predators is determined by the insect's camouflage. 5 Minute Preview


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Screenshot of Evolution: Natural and Artificial Selection

Evolution: Natural and Artificial Selection

Observe evolution in a fictional population of bugs. Set the background to any color, and see natural selection taking place. Compare the processes of natural and artificial selection. Manipulate the mutation rate, and determine how mutation rate affects adaptation and evolution. 5 Minute Preview


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2.3: : The Cell Cycle and Mitosis

2.3.2: : illustrate and describe the basic processes of cell division, including what happens to the cell membrane and the contents of the nucleus

2.3.2.a: : define mitosis

Screenshot of Cell Division

Cell Division

Begin with a single cell and watch as mitosis and cell division occurs. The cells will go through the steps of interphase, prophase, metaphase, anaphase, telophase, and cytokinesis. The length of the cell cycle can be controlled, and data related to the number of cells present and their current phase can be recorded. 5 Minute Preview


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2.3.2.b: : state and briefly describe the four phases of mitosis followed by cytokinesis. Include:

2.3.2.b.i: : Prophase

Screenshot of Cell Division

Cell Division

Begin with a single cell and watch as mitosis and cell division occurs. The cells will go through the steps of interphase, prophase, metaphase, anaphase, telophase, and cytokinesis. The length of the cell cycle can be controlled, and data related to the number of cells present and their current phase can be recorded. 5 Minute Preview


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2.3.2.b.ii: : Metaphase

Screenshot of Cell Division

Cell Division

Begin with a single cell and watch as mitosis and cell division occurs. The cells will go through the steps of interphase, prophase, metaphase, anaphase, telophase, and cytokinesis. The length of the cell cycle can be controlled, and data related to the number of cells present and their current phase can be recorded. 5 Minute Preview


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2.3.2.b.iii: : Anaphase

Screenshot of Cell Division

Cell Division

Begin with a single cell and watch as mitosis and cell division occurs. The cells will go through the steps of interphase, prophase, metaphase, anaphase, telophase, and cytokinesis. The length of the cell cycle can be controlled, and data related to the number of cells present and their current phase can be recorded. 5 Minute Preview


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2.3.2.b.iv: : Telophase

Screenshot of Cell Division

Cell Division

Begin with a single cell and watch as mitosis and cell division occurs. The cells will go through the steps of interphase, prophase, metaphase, anaphase, telophase, and cytokinesis. The length of the cell cycle can be controlled, and data related to the number of cells present and their current phase can be recorded. 5 Minute Preview


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2.3.3: : select and integrate information from various print and electronic sources to examine chromosomes

2.3.3.a: : observe, identify, and describe a cell nucleus undergoing division

Screenshot of Cell Division

Cell Division

Begin with a single cell and watch as mitosis and cell division occurs. The cells will go through the steps of interphase, prophase, metaphase, anaphase, telophase, and cytokinesis. The length of the cell cycle can be controlled, and data related to the number of cells present and their current phase can be recorded. 5 Minute Preview


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2.3.3.b: : observe, identify, and describe chromosomes in each stage of mitosis.

Screenshot of Cell Division

Cell Division

Begin with a single cell and watch as mitosis and cell division occurs. The cells will go through the steps of interphase, prophase, metaphase, anaphase, telophase, and cytokinesis. The length of the cell cycle can be controlled, and data related to the number of cells present and their current phase can be recorded. 5 Minute Preview


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2.4: : Asexual Reproduction

2.4.3: : interpret trends in data, and infer and explain relationships among the variables

Screenshot of Pendulum Clock

Pendulum Clock

Find the effect of length, mass, and angle on the period of a pendulum. The pendulum is attached to a clock that can be adjusted to tell time accurately. The clock can be located on Earth or Jupiter to determine the effect of gravity. 5 Minute Preview


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Screenshot of Temperature and Sex Determination - Metric

Temperature and Sex Determination - Metric

Observe the sex ratios of birds and geckos as they hatch in an incubator. Vary the temperature of the incubator and measure the percentages of male and female hatchlings to determine if temperature has an effect on sex. 5 Minute Preview


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2.5: : Meiosis

2.5.1: : illustrate and describe the basic processes of cell division, including what happens to the cell membrane and the content of the nucleus

2.5.1.a: : state and briefly describe the eight phases of meiosis

Screenshot of Cell Division

Cell Division

Begin with a single cell and watch as mitosis and cell division occurs. The cells will go through the steps of interphase, prophase, metaphase, anaphase, telophase, and cytokinesis. The length of the cell cycle can be controlled, and data related to the number of cells present and their current phase can be recorded. 5 Minute Preview


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2.5.1.b: : define diploid

Screenshot of Human Karyotyping

Human Karyotyping

Sort and pair the images of human chromosomes obtained in a scan. Find differences in the scans of the various patients to find out specific things that can cause disease, as well as determining the sex of the person. 5 Minute Preview


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2.5.1.c: : define haploid

Screenshot of Human Karyotyping

Human Karyotyping

Sort and pair the images of human chromosomes obtained in a scan. Find differences in the scans of the various patients to find out specific things that can cause disease, as well as determining the sex of the person. 5 Minute Preview


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2.5.5: : organize data using a format that is appropriate to the task or experiment

Screenshot of Diffusion

Diffusion

Explore the motion of particles as they bounce around from one side of a room to the other through an adjustable gap or partition. The mass of the particles can be adjusted, as well as the temperature of the room and the initial number of particles. In a real-world context, this can be used to learn about how odors travel, fluids move through gaps, the thermodynamics of gases, and statistical probability. 5 Minute Preview


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Screenshot of Seed Germination

Seed Germination

Perform experiments with several seed types to see what conditions yield the highest germination (sprouting) rate. Three different types of seeds can be studied, and the temperature, water and light in the germination chamber can be controlled. No two trials will have the same result so repeated trials are recommended. 5 Minute Preview


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2.6: : Sexual Reproduction

2.6.1: : distinguish between sexual and asexual reproduction in representative organisms

2.6.1.a: : explain how various organisms reproduce sexually. Include:

2.6.1.a.ii: : flowering plant

Screenshot of Pollination: Flower to Fruit

Pollination: Flower to Fruit

Label a diagram that illustrates the anatomy of a flower, and understand the function of each structure. Compare the processes of self pollination and cross pollination, and explore how fertilization takes place in a flowering plant. 5 Minute Preview


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2.6.2: : compare sexual and asexual reproduction in terms of their advantages and disadvantages

2.6.2.b: : compare the advantages and disadvantages of sexual and asexual reproduction. Include:

2.6.2.b.iii: : genetic variety in offspring

Screenshot of Mouse Genetics (One Trait)

Mouse Genetics (One Trait)

Breed "pure" mice with known genotypes that exhibit specific fur colors, and learn how traits are passed on via dominant and recessive genes. Mice can be stored in cages for future breeding, and the statistics of fur color are reported every time a pair of mice breed. Punnett squares can be used to predict results. 5 Minute Preview


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Screenshot of Mouse Genetics (Two Traits)

Mouse Genetics (Two Traits)

Breed "pure" mice with known genotypes that exhibit specific fur and eye colors, and learn how traits are passed on via dominant and recessive genes. Mice can be stored in cages for future breeding, and the statistics of fur and eye color are reported every time a pair of mice breed. Punnett squares can be used to predict results. 5 Minute Preview


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2.8: : Modern Genetics

2.8.1: : identify major shifts in scientific understanding of genetics. Include:

2.8.1.i: : Mendelâ??s experiments

Screenshot of Hardy-Weinberg Equilibrium

Hardy-Weinberg Equilibrium

Set the initial percentages of three types of parrots in a population and track changes in genotype and allele frequency through several generations. Analyze population data to develop an understanding of the Hardy-Weinberg equilibrium. Determine how initial allele percentages will affect the equilibrium state of the population. 5 Minute Preview


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Screenshot of Mouse Genetics (One Trait)

Mouse Genetics (One Trait)

Breed "pure" mice with known genotypes that exhibit specific fur colors, and learn how traits are passed on via dominant and recessive genes. Mice can be stored in cages for future breeding, and the statistics of fur color are reported every time a pair of mice breed. Punnett squares can be used to predict results. 5 Minute Preview


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Screenshot of Mouse Genetics (Two Traits)

Mouse Genetics (Two Traits)

Breed "pure" mice with known genotypes that exhibit specific fur and eye colors, and learn how traits are passed on via dominant and recessive genes. Mice can be stored in cages for future breeding, and the statistics of fur and eye color are reported every time a pair of mice breed. Punnett squares can be used to predict results. 5 Minute Preview


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2.8.1.ii: : Watson and Crickâ??s double helix model of DNA

Screenshot of Building DNA

Building DNA

Construct a DNA molecule, examine its double-helix structure, and then go through the DNA replication process. Learn how each component fits into a DNA molecule, and see how a unique, self-replicating code can be created. 5 Minute Preview


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2.8.2: : provide examples of genetic conditions that cannot be cured using scientific and technological knowledge at the present time. Include:

2.8.2.i: : Down syndrome

Screenshot of Human Karyotyping

Human Karyotyping

Sort and pair the images of human chromosomes obtained in a scan. Find differences in the scans of the various patients to find out specific things that can cause disease, as well as determining the sex of the person. 5 Minute Preview


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3: : Electricity


3.1: : Static Electricity

3.1.1: : explain the production of static electrical charges in some common materials

3.1.1.c: : differentiate between static and current electricity using operational definitions

Screenshot of Electromagnetic Induction

Electromagnetic Induction

Explore how a changing magnetic field can induce an electric current. A magnet can be moved up or down at a constant velocity below a loop of wire, or the loop of wire may be dragged in any direction or rotated. The magnetic and electric fields can be displayed, as well as the magnetic flux and the current in the wire. 5 Minute Preview


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3.1.1.d: : describe the types of charges on objects. Include:

3.1.1.d.iii: : neutral

Screenshot of Electromagnetic Induction

Electromagnetic Induction

Explore how a changing magnetic field can induce an electric current. A magnet can be moved up or down at a constant velocity below a loop of wire, or the loop of wire may be dragged in any direction or rotated. The magnetic and electric fields can be displayed, as well as the magnetic flux and the current in the wire. 5 Minute Preview


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3.1.2: : explain the production of static electrical charges in some common materials

3.1.2.a: : define electric discharge

Screenshot of Electromagnetic Induction

Electromagnetic Induction

Explore how a changing magnetic field can induce an electric current. A magnet can be moved up or down at a constant velocity below a loop of wire, or the loop of wire may be dragged in any direction or rotated. The magnetic and electric fields can be displayed, as well as the magnetic flux and the current in the wire. 5 Minute Preview


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3.2: : Current Electricity

3.2.2: : describe the flow of charge in an electric circuit

3.2.2.a: : define electric circuit

Screenshot of Advanced Circuits

Advanced Circuits

Build compound circuits with series and parallel elements. Calculate voltages, resistance, and current across each component using Ohm's law and the equivalent resistance equation. Check your answers using a voltmeter, ammeter, and ohmmeter. Learn the function of fuses as a safety device. 5 Minute Preview


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Screenshot of Circuit Builder

Circuit Builder

Create circuits using batteries, light bulbs, switches, fuses, and a variety of materials. Examine series and parallel circuits, conductors and insulators, and the effects of battery voltage. Thousands of different circuits can be built with this Gizmo. 5 Minute Preview


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Screenshot of Circuits

Circuits

Build electrical circuits using batteries, light bulbs, resistors, fuses, wires, and a switch. An ammeter, a voltmeter and an ohmmeter are available for measuring current, voltage and resistance throughout the circuit. The voltage of the battery and the precision of the meters can be adjusted. Multiple circuits can be built for comparison. 5 Minute Preview


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Screenshot of Electromagnetic Induction

Electromagnetic Induction

Explore how a changing magnetic field can induce an electric current. A magnet can be moved up or down at a constant velocity below a loop of wire, or the loop of wire may be dragged in any direction or rotated. The magnetic and electric fields can be displayed, as well as the magnetic flux and the current in the wire. 5 Minute Preview


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3.2.2.b: : identify that electric potential is provided at the source and â??usedâ?? by the circuit elements (a potential or voltage drop occurs)

Screenshot of Advanced Circuits

Advanced Circuits

Build compound circuits with series and parallel elements. Calculate voltages, resistance, and current across each component using Ohm's law and the equivalent resistance equation. Check your answers using a voltmeter, ammeter, and ohmmeter. Learn the function of fuses as a safety device. 5 Minute Preview


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Screenshot of Circuit Builder

Circuit Builder

Create circuits using batteries, light bulbs, switches, fuses, and a variety of materials. Examine series and parallel circuits, conductors and insulators, and the effects of battery voltage. Thousands of different circuits can be built with this Gizmo. 5 Minute Preview


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Screenshot of Circuits

Circuits

Build electrical circuits using batteries, light bulbs, resistors, fuses, wires, and a switch. An ammeter, a voltmeter and an ohmmeter are available for measuring current, voltage and resistance throughout the circuit. The voltage of the battery and the precision of the meters can be adjusted. Multiple circuits can be built for comparison. 5 Minute Preview


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3.2.2.c: : describe the parts of an electric circuit. Include:

3.2.2.c.i: : source of electrical energy

Screenshot of Circuit Builder

Circuit Builder

Create circuits using batteries, light bulbs, switches, fuses, and a variety of materials. Examine series and parallel circuits, conductors and insulators, and the effects of battery voltage. Thousands of different circuits can be built with this Gizmo. 5 Minute Preview


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3.2.2.c.ii: : electrical load

Screenshot of Advanced Circuits

Advanced Circuits

Build compound circuits with series and parallel elements. Calculate voltages, resistance, and current across each component using Ohm's law and the equivalent resistance equation. Check your answers using a voltmeter, ammeter, and ohmmeter. Learn the function of fuses as a safety device. 5 Minute Preview


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Screenshot of Circuit Builder

Circuit Builder

Create circuits using batteries, light bulbs, switches, fuses, and a variety of materials. Examine series and parallel circuits, conductors and insulators, and the effects of battery voltage. Thousands of different circuits can be built with this Gizmo. 5 Minute Preview


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Screenshot of Circuits

Circuits

Build electrical circuits using batteries, light bulbs, resistors, fuses, wires, and a switch. An ammeter, a voltmeter and an ohmmeter are available for measuring current, voltage and resistance throughout the circuit. The voltage of the battery and the precision of the meters can be adjusted. Multiple circuits can be built for comparison. 5 Minute Preview


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Screenshot of Electromagnetic Induction

Electromagnetic Induction

Explore how a changing magnetic field can induce an electric current. A magnet can be moved up or down at a constant velocity below a loop of wire, or the loop of wire may be dragged in any direction or rotated. The magnetic and electric fields can be displayed, as well as the magnetic flux and the current in the wire. 5 Minute Preview


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3.2.2.c.iii: : control/switch

Screenshot of Circuit Builder

Circuit Builder

Create circuits using batteries, light bulbs, switches, fuses, and a variety of materials. Examine series and parallel circuits, conductors and insulators, and the effects of battery voltage. Thousands of different circuits can be built with this Gizmo. 5 Minute Preview


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3.2.2.c.iv: : conductor

Screenshot of Advanced Circuits

Advanced Circuits

Build compound circuits with series and parallel elements. Calculate voltages, resistance, and current across each component using Ohm's law and the equivalent resistance equation. Check your answers using a voltmeter, ammeter, and ohmmeter. Learn the function of fuses as a safety device. 5 Minute Preview


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Screenshot of Circuit Builder

Circuit Builder

Create circuits using batteries, light bulbs, switches, fuses, and a variety of materials. Examine series and parallel circuits, conductors and insulators, and the effects of battery voltage. Thousands of different circuits can be built with this Gizmo. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Circuits

Circuits

Build electrical circuits using batteries, light bulbs, resistors, fuses, wires, and a switch. An ammeter, a voltmeter and an ohmmeter are available for measuring current, voltage and resistance throughout the circuit. The voltage of the battery and the precision of the meters can be adjusted. Multiple circuits can be built for comparison. 5 Minute Preview


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Launch Gizmo
Screenshot of Electromagnetic Induction

Electromagnetic Induction

Explore how a changing magnetic field can induce an electric current. A magnet can be moved up or down at a constant velocity below a loop of wire, or the loop of wire may be dragged in any direction or rotated. The magnetic and electric fields can be displayed, as well as the magnetic flux and the current in the wire. 5 Minute Preview


Lesson Info
Launch Gizmo

3.2.3: : explain the importance of using precise language while studying the characteristics of electricity

3.2.3.a: : define electric current

Screenshot of Electromagnetic Induction

Electromagnetic Induction

Explore how a changing magnetic field can induce an electric current. A magnet can be moved up or down at a constant velocity below a loop of wire, or the loop of wire may be dragged in any direction or rotated. The magnetic and electric fields can be displayed, as well as the magnetic flux and the current in the wire. 5 Minute Preview


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3.2.4: : compare (qualitatively) static electricity and electric current

Screenshot of Electromagnetic Induction

Electromagnetic Induction

Explore how a changing magnetic field can induce an electric current. A magnet can be moved up or down at a constant velocity below a loop of wire, or the loop of wire may be dragged in any direction or rotated. The magnetic and electric fields can be displayed, as well as the magnetic flux and the current in the wire. 5 Minute Preview


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3.2.5: : organize information using a format appropriate to studying and describing current electricity

3.2.5.a: : create circuit diagrams using appropriate circuit symbols. Include symbols for:

3.2.5.a.i: : bulb

Screenshot of Circuits

Circuits

Build electrical circuits using batteries, light bulbs, resistors, fuses, wires, and a switch. An ammeter, a voltmeter and an ohmmeter are available for measuring current, voltage and resistance throughout the circuit. The voltage of the battery and the precision of the meters can be adjusted. Multiple circuits can be built for comparison. 5 Minute Preview


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3.2.5.a.iii: : battery

Screenshot of Circuits

Circuits

Build electrical circuits using batteries, light bulbs, resistors, fuses, wires, and a switch. An ammeter, a voltmeter and an ohmmeter are available for measuring current, voltage and resistance throughout the circuit. The voltage of the battery and the precision of the meters can be adjusted. Multiple circuits can be built for comparison. 5 Minute Preview


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3.2.5.a.iv: : wires

Screenshot of Circuits

Circuits

Build electrical circuits using batteries, light bulbs, resistors, fuses, wires, and a switch. An ammeter, a voltmeter and an ohmmeter are available for measuring current, voltage and resistance throughout the circuit. The voltage of the battery and the precision of the meters can be adjusted. Multiple circuits can be built for comparison. 5 Minute Preview


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3.2.5.a.v: : resistors

Screenshot of Circuits

Circuits

Build electrical circuits using batteries, light bulbs, resistors, fuses, wires, and a switch. An ammeter, a voltmeter and an ohmmeter are available for measuring current, voltage and resistance throughout the circuit. The voltage of the battery and the precision of the meters can be adjusted. Multiple circuits can be built for comparison. 5 Minute Preview


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3.2.5.a.vi: : ammeter

Screenshot of Circuits

Circuits

Build electrical circuits using batteries, light bulbs, resistors, fuses, wires, and a switch. An ammeter, a voltmeter and an ohmmeter are available for measuring current, voltage and resistance throughout the circuit. The voltage of the battery and the precision of the meters can be adjusted. Multiple circuits can be built for comparison. 5 Minute Preview


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3.2.5.a.vii: : voltmeter

Screenshot of Circuits

Circuits

Build electrical circuits using batteries, light bulbs, resistors, fuses, wires, and a switch. An ammeter, a voltmeter and an ohmmeter are available for measuring current, voltage and resistance throughout the circuit. The voltage of the battery and the precision of the meters can be adjusted. Multiple circuits can be built for comparison. 5 Minute Preview


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3.3: : Resistance

3.3.2: : state a prediction and a hypothesis based on background information or an observed pattern of events

Screenshot of Temperature and Sex Determination - Metric

Temperature and Sex Determination - Metric

Observe the sex ratios of birds and geckos as they hatch in an incubator. Vary the temperature of the incubator and measure the percentages of male and female hatchlings to determine if temperature has an effect on sex. 5 Minute Preview


Lesson Info
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3.3.3: : identify new questions and problems that arise from what was learned concerning voltage, current and resistance

3.3.3.a: : state Ohmâ??s Law

Screenshot of Advanced Circuits

Advanced Circuits

Build compound circuits with series and parallel elements. Calculate voltages, resistance, and current across each component using Ohm's law and the equivalent resistance equation. Check your answers using a voltmeter, ammeter, and ohmmeter. Learn the function of fuses as a safety device. 5 Minute Preview


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Screenshot of Circuits

Circuits

Build electrical circuits using batteries, light bulbs, resistors, fuses, wires, and a switch. An ammeter, a voltmeter and an ohmmeter are available for measuring current, voltage and resistance throughout the circuit. The voltage of the battery and the precision of the meters can be adjusted. Multiple circuits can be built for comparison. 5 Minute Preview


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3.3.8: : describe positive and negative effects of parallel and series connections of resistors (or bulbs). Include:

3.3.8.a: : describe the effect on the total resistance of the circuit as resistors are added:

3.3.8.a.i: : in series

Screenshot of Advanced Circuits

Advanced Circuits

Build compound circuits with series and parallel elements. Calculate voltages, resistance, and current across each component using Ohm's law and the equivalent resistance equation. Check your answers using a voltmeter, ammeter, and ohmmeter. Learn the function of fuses as a safety device. 5 Minute Preview


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Screenshot of Circuit Builder

Circuit Builder

Create circuits using batteries, light bulbs, switches, fuses, and a variety of materials. Examine series and parallel circuits, conductors and insulators, and the effects of battery voltage. Thousands of different circuits can be built with this Gizmo. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Circuits

Circuits

Build electrical circuits using batteries, light bulbs, resistors, fuses, wires, and a switch. An ammeter, a voltmeter and an ohmmeter are available for measuring current, voltage and resistance throughout the circuit. The voltage of the battery and the precision of the meters can be adjusted. Multiple circuits can be built for comparison. 5 Minute Preview


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3.3.8.a.ii: : in parallel

Screenshot of Advanced Circuits

Advanced Circuits

Build compound circuits with series and parallel elements. Calculate voltages, resistance, and current across each component using Ohm's law and the equivalent resistance equation. Check your answers using a voltmeter, ammeter, and ohmmeter. Learn the function of fuses as a safety device. 5 Minute Preview


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Screenshot of Circuit Builder

Circuit Builder

Create circuits using batteries, light bulbs, switches, fuses, and a variety of materials. Examine series and parallel circuits, conductors and insulators, and the effects of battery voltage. Thousands of different circuits can be built with this Gizmo. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Circuits

Circuits

Build electrical circuits using batteries, light bulbs, resistors, fuses, wires, and a switch. An ammeter, a voltmeter and an ohmmeter are available for measuring current, voltage and resistance throughout the circuit. The voltage of the battery and the precision of the meters can be adjusted. Multiple circuits can be built for comparison. 5 Minute Preview


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3.3.10: : use instruments effectively and accurately for collecting data

Screenshot of Triple Beam Balance

Triple Beam Balance

Learn how to determine the mass of an object using a triple beam balance. The mass of a variety of objects can be determined using this simulated version of a common real-world laboratory tool for measurement. 5 Minute Preview


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3.3.13: : describe pros and cons of parallel and series connections of cells

3.3.13.a: : distinguish between series and parallel connections of cells

Screenshot of Circuit Builder

Circuit Builder

Create circuits using batteries, light bulbs, switches, fuses, and a variety of materials. Examine series and parallel circuits, conductors and insulators, and the effects of battery voltage. Thousands of different circuits can be built with this Gizmo. 5 Minute Preview


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Launch Gizmo
Screenshot of Circuits

Circuits

Build electrical circuits using batteries, light bulbs, resistors, fuses, wires, and a switch. An ammeter, a voltmeter and an ohmmeter are available for measuring current, voltage and resistance throughout the circuit. The voltage of the battery and the precision of the meters can be adjusted. Multiple circuits can be built for comparison. 5 Minute Preview


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3.3.13.c: : indicate that parallel connections maintain the effective voltage, but the resulting battery life is lengthened

Screenshot of Circuits

Circuits

Build electrical circuits using batteries, light bulbs, resistors, fuses, wires, and a switch. An ammeter, a voltmeter and an ohmmeter are available for measuring current, voltage and resistance throughout the circuit. The voltage of the battery and the precision of the meters can be adjusted. Multiple circuits can be built for comparison. 5 Minute Preview


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3.3.16: : analyze the design of technologies, how they function, and how they impact our daily lives. Include:

3.3.16.i: : fuses

Screenshot of Advanced Circuits

Advanced Circuits

Build compound circuits with series and parallel elements. Calculate voltages, resistance, and current across each component using Ohm's law and the equivalent resistance equation. Check your answers using a voltmeter, ammeter, and ohmmeter. Learn the function of fuses as a safety device. 5 Minute Preview


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3.3.17: : describe series and parallel circuits, with a maximum of two resistors, involving varying resistance, voltage and current

Screenshot of Advanced Circuits

Advanced Circuits

Build compound circuits with series and parallel elements. Calculate voltages, resistance, and current across each component using Ohm's law and the equivalent resistance equation. Check your answers using a voltmeter, ammeter, and ohmmeter. Learn the function of fuses as a safety device. 5 Minute Preview


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Screenshot of Circuits

Circuits

Build electrical circuits using batteries, light bulbs, resistors, fuses, wires, and a switch. An ammeter, a voltmeter and an ohmmeter are available for measuring current, voltage and resistance throughout the circuit. The voltage of the battery and the precision of the meters can be adjusted. Multiple circuits can be built for comparison. 5 Minute Preview


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3.3.18: : interpret patterns and trends in data, and infer and explain relationships among the variables

Screenshot of Temperature and Sex Determination - Metric

Temperature and Sex Determination - Metric

Observe the sex ratios of birds and geckos as they hatch in an incubator. Vary the temperature of the incubator and measure the percentages of male and female hatchlings to determine if temperature has an effect on sex. 5 Minute Preview


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3.4: : Power and Energy

3.4.1: : relate electrical energy to domestic power consumption costs

3.4.1.c: : define electrical power.

Screenshot of Household Energy Usage

Household Energy Usage

Explore the energy used by many household appliances, such as television sets, hair dryers, lights, computers, etc. Make estimates for how long each item is used on a daily basis to get an estimate for the total power consumed during a day, a week, a month, and a year, and how that relates to consumer costs and environmental impact. 5 Minute Preview


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3.4.3: : explain the importance of using precise language in evaluating electrical energy costs

3.4.3.a: : given power rating and time, determine electrical energy used

Screenshot of Household Energy Usage

Household Energy Usage

Explore the energy used by many household appliances, such as television sets, hair dryers, lights, computers, etc. Make estimates for how long each item is used on a daily basis to get an estimate for the total power consumed during a day, a week, a month, and a year, and how that relates to consumer costs and environmental impact. 5 Minute Preview


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3.4.8: : compare examples of past and current technologies that used current electricity to meet similar needs

3.4.8.a: : recognize that Energuide labels are used to aid customers

Screenshot of Electromagnetic Induction

Electromagnetic Induction

Explore how a changing magnetic field can induce an electric current. A magnet can be moved up or down at a constant velocity below a loop of wire, or the loop of wire may be dragged in any direction or rotated. The magnetic and electric fields can be displayed, as well as the magnetic flux and the current in the wire. 5 Minute Preview


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3.5: : Energy Generators

3.5.1: : describe the transfer and conversion of energy from a generating station to the home

3.5.1.a: : identify the components of an electrical generator. Include:

3.5.1.a.i: : coil of wire

Screenshot of Electromagnetic Induction

Electromagnetic Induction

Explore how a changing magnetic field can induce an electric current. A magnet can be moved up or down at a constant velocity below a loop of wire, or the loop of wire may be dragged in any direction or rotated. The magnetic and electric fields can be displayed, as well as the magnetic flux and the current in the wire. 5 Minute Preview


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3.5.1.a.ii: : magnets

Screenshot of Electromagnetic Induction

Electromagnetic Induction

Explore how a changing magnetic field can induce an electric current. A magnet can be moved up or down at a constant velocity below a loop of wire, or the loop of wire may be dragged in any direction or rotated. The magnetic and electric fields can be displayed, as well as the magnetic flux and the current in the wire. 5 Minute Preview


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3.5.1.b: : describe different types of electrical generating stations. Include:

3.5.1.b.ii: : thermal

Screenshot of Electromagnetic Induction

Electromagnetic Induction

Explore how a changing magnetic field can induce an electric current. A magnet can be moved up or down at a constant velocity below a loop of wire, or the loop of wire may be dragged in any direction or rotated. The magnetic and electric fields can be displayed, as well as the magnetic flux and the current in the wire. 5 Minute Preview


Lesson Info
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4: : Space


4.2: : Investigating Matter

4.2.2: : identify that celestial bodies move in cyclic paths called orbits and that these orbits result from gravitational forces.

Screenshot of Phases of the Moon

Phases of the Moon

Understand the phases of the Moon by observing the positions of the Moon, Earth and Sun. A view of the Moon from Earth is shown on the right as the Moon orbits Earth. Learn the names of Moon phases and in what order they occur. Click Play to watch the Moon go around, or click Pause and drag the Moon yourself. 5 Minute Preview


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4.2.3: : identify that planets, suns, and moons revolve on a central axis.

Screenshot of Moonrise, Moonset, and Phases

Moonrise, Moonset, and Phases

Gain an understanding of moonrise and moonset times by observing the relative positions of Earth and the Moon along with a view of the Moon from Earth. A line shows the horizon for a person standing on Earth so that moonrise and moonset times can be determined. 5 Minute Preview


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4.3: : Early Models of the Universe

4.3.1: : describe theories on the formation of the solar system

4.3.1.a: : describe the contributions made by various individuals to our knowledge and understanding of celestial bodies and their motions. Include:

4.3.1.a.v: : Kepler

Screenshot of Orbital Motion - Kepler's Laws

Orbital Motion - Kepler's Laws

Learn Kepler's three laws of planetary motion by examining the orbit of a planet around a star. The initial position, velocity, and mass of the planet can be varied as well as the mass of the star. The foci and centers of orbits can be displayed and compared to the location of the star. The area swept out by the planet in a given time period can be measured, and data on orbital radii and periods can be plotted in several ways. 5 Minute Preview


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4.3.3: : use instruments effectively and accurately for collecting data

Screenshot of Triple Beam Balance

Triple Beam Balance

Learn how to determine the mass of an object using a triple beam balance. The mass of a variety of objects can be determined using this simulated version of a common real-world laboratory tool for measurement. 5 Minute Preview


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4.3.4: : organize data using a format that is appropriate to the task or experiment

Screenshot of Diffusion

Diffusion

Explore the motion of particles as they bounce around from one side of a room to the other through an adjustable gap or partition. The mass of the particles can be adjusted, as well as the temperature of the room and the initial number of particles. In a real-world context, this can be used to learn about how odors travel, fluids move through gaps, the thermodynamics of gases, and statistical probability. 5 Minute Preview


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Screenshot of Seed Germination

Seed Germination

Perform experiments with several seed types to see what conditions yield the highest germination (sprouting) rate. Three different types of seeds can be studied, and the temperature, water and light in the germination chamber can be controlled. No two trials will have the same result so repeated trials are recommended. 5 Minute Preview


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4.3.7: : relate personal activities and various scientific and technological endeavours to specific

Screenshot of DNA Analysis

DNA Analysis

Scan the DNA of frogs to produce DNA sequences. Use the DNA sequences to identify possible identical twins and to determine which sections of DNA code for skin color, eye color, and the presence or absence of spots. 5 Minute Preview


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4.3.8: : describe the science underlying particular technologies designed to explore natural phenomena, extend human capabilities, or solve practical problems

Screenshot of DNA Analysis

DNA Analysis

Scan the DNA of frogs to produce DNA sequences. Use the DNA sequences to identify possible identical twins and to determine which sections of DNA code for skin color, eye color, and the presence or absence of spots. 5 Minute Preview


Lesson Info
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4.4: : The Sunâ??s Effects on Earth

4.4.1: : describe the effects of solar phenomena on Earth

4.4.1.a: : define and describe how the following phenomena affect life on Earth

4.4.1.a.iii: : solar radiation

Screenshot of Seasons Around the World

Seasons Around the World

Use a three dimensional view of the Earth, Moon and Sun to explore seasonal changes at a variety of locations. Strengthen your knowledge of global climate patterns by comparing solar energy input at the Poles to the Equator. Manipulate Earth's axis to increase or diminish seasonal changes. 5 Minute Preview


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4.7: : Technologies used to Explore Space

4.7.3: : propose alternative solutions to a given practical problem, select one, and develop a plan

Screenshot of Estimating Population Size

Estimating Population Size

Adjust the number of fish in a lake to be tagged and the number of fish to be recaptured. Use the number of tagged fish in the catch to estimate the number of fish in the lake. 5 Minute Preview


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4.7.4: : test the design of a constructed device or system

Screenshot of Effect of Environment on New Life Form

Effect of Environment on New Life Form

Using the scientific method, control the environmental conditions for a fictional alien organism in order to learn how the organism responds to changes in conditions. Sunlight, water, and temperature can be varied to determine their effects on the shape of the aliens. 5 Minute Preview


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Screenshot of Pendulum Clock

Pendulum Clock

Find the effect of length, mass, and angle on the period of a pendulum. The pendulum is attached to a clock that can be adjusted to tell time accurately. The clock can be located on Earth or Jupiter to determine the effect of gravity. 5 Minute Preview


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Screenshot of Seed Germination

Seed Germination

Perform experiments with several seed types to see what conditions yield the highest germination (sprouting) rate. Three different types of seeds can be studied, and the temperature, water and light in the germination chamber can be controlled. No two trials will have the same result so repeated trials are recommended. 5 Minute Preview


Lesson Info
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Screenshot of Sight vs. Sound Reactions

Sight vs. Sound Reactions

Measure your reaction time by clicking your mouse as quickly as possible when visual or auditory stimuli are presented. The individual response times are recorded, as well as the mean and standard deviation for each test. A histogram of data shows overall trends in sight and sound response times. The type of test as well as the symbols and sounds used are chosen by the user. 5 Minute Preview


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Screenshot of Temperature and Sex Determination - Metric

Temperature and Sex Determination - Metric

Observe the sex ratios of birds and geckos as they hatch in an incubator. Vary the temperature of the incubator and measure the percentages of male and female hatchlings to determine if temperature has an effect on sex. 5 Minute Preview


Lesson Info
Launch Gizmo

4.7.6: : evaluate individual and group processes used in planning, problem solving, decision making, and completing a task

Screenshot of Estimating Population Size

Estimating Population Size

Adjust the number of fish in a lake to be tagged and the number of fish to be recaptured. Use the number of tagged fish in the catch to estimate the number of fish in the lake. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Pendulum Clock

Pendulum Clock

Find the effect of length, mass, and angle on the period of a pendulum. The pendulum is attached to a clock that can be adjusted to tell time accurately. The clock can be located on Earth or Jupiter to determine the effect of gravity. 5 Minute Preview


Lesson Info
Launch Gizmo

4.8: : Theories for the Origin of the Universe

4.8.5: : define and explain a light year

4.8.5.a: : calculate the travel time to a distant star at a given speed.

Screenshot of H-R Diagram

H-R Diagram

A collection of stars visible from Earth can be arranged and classified based on their color, temperature, luminosity, radius, and mass. This can be done using one or two-dimensional plots, including a Hertzsprung-Russell diagram of luminosity vs. temperature. 5 Minute Preview


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4.9: : Components of the Universe

4.9.1: : describe and classify the major components of the universe. Include:

4.9.1.iii: : giant stars

Screenshot of H-R Diagram

H-R Diagram

A collection of stars visible from Earth can be arranged and classified based on their color, temperature, luminosity, radius, and mass. This can be done using one or two-dimensional plots, including a Hertzsprung-Russell diagram of luminosity vs. temperature. 5 Minute Preview


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Correlation last revised: 9/16/2020

About STEM Cases

Students assume the role of a scientist trying to solve a real world problem. They use scientific practices to collect and analyze data, and form and test a hypothesis as they solve the problems.

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STEM Cases take between 30-90 minutes for students to complete, depending on the case.

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