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  • Alberta Standards
  • Science: Science 14

Alberta - Science: Science 14

Program of Studies | Adopted: 2003

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

A: : Investigating Properties of Matter (Nature of Science Emphasis)


A.1: : Science, Technology and Society (STS) and Knowledge

A.1.1: : Classify various forms of matter, including commonly used household substances, on the basis of their properties, and relate these properties to their safe use, storage and disposal

A.1.1.F: : apply the particle model of matter to explain the physical properties of the phases of matter

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


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A.1.2: : Describe solutions and solubility, solutes and solvents; and then describe how these concepts are applied to the production of prepared foods and other useful materials

A.1.2.B: : define, operationally, solute, solvent, solution and solubility; and express concentration in terms of mass per volume

Screenshot of Solubility and Temperature

Solubility and Temperature

Add varying amounts of a chemical to a beaker of water to create a solution, observe that the chemical dissolves in the water at first, and then measure the concentration of the solution at the saturation point. Either potassium nitrate or sodium chloride can be added to the water, and the temperature of the water can be adjusted. 5 Minute Preview


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A.1.2.C: : provide examples of the effect of temperature change on solubility, and explain this effect on the basis of the particle model of matter (e.g., concentration of brines for pickling and syrups for canning)

Screenshot of Feel the Heat

Feel the Heat

Have you ever used a glove warmer to keep your hands warm? How about an instant cold pack to treat an injury? In the Feel the Heat Gizmo, create your own hot and cold packs using various salts dissolved in water and different bag materials. Learn about exothermic and endothermic processes and how energy is absorbed or released when bonds are broken and new bonds form. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Solubility and Temperature

Solubility and Temperature

Add varying amounts of a chemical to a beaker of water to create a solution, observe that the chemical dissolves in the water at first, and then measure the concentration of the solution at the saturation point. Either potassium nitrate or sodium chloride can be added to the water, and the temperature of the water can be adjusted. 5 Minute Preview


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Launch Gizmo

A.1.2.F: : identify acid and base solutions in the home, job site and laboratory (e.g., vinegar, soda pop, shampoo, battery acid, household ammonia, antacids, dish soap, hydrochloric acid, sodium hydroxide) on the basis of their general properties; i.e., they conduct electricity, change colour of acid/base indicators and neutralize one another

Screenshot of pH Analysis

pH Analysis

Test the acidity of common substances using pH paper. Materials including soap, lemon juice, milk, and oven cleaner can be tested by comparing the color of pH strips to a standard scale. 5 Minute Preview


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Launch Gizmo
Screenshot of pH Analysis: Quad Color Indicator

pH Analysis: Quad Color Indicator

Test the acidity of many common everyday substances using pH paper (four color indicators). Materials including soap, lemon juice, milk, and oven cleaner can be tested by comparing the color of the pH strips to the calibrated scale. 5 Minute Preview


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A.1.2.G: : describe, in general terms, the pH scale as an indicator of acidity or basicity; i.e., a pH of less than 7 indicates an acid, a pH of 7 indicates a neutral solution, and a pH of greater than 7 indicates a base

Screenshot of pH Analysis

pH Analysis

Test the acidity of common substances using pH paper. Materials including soap, lemon juice, milk, and oven cleaner can be tested by comparing the color of pH strips to a standard scale. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of pH Analysis: Quad Color Indicator

pH Analysis: Quad Color Indicator

Test the acidity of many common everyday substances using pH paper (four color indicators). Materials including soap, lemon juice, milk, and oven cleaner can be tested by comparing the color of the pH strips to the calibrated scale. 5 Minute Preview


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Launch Gizmo

A.1.3: : Describe the properties of elements and compounds, and use the periodic table to identify trends in properties

A.1.3.B: : use the periodic table to locate names and properties of 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


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A.1.3.C: : name and write chemical formulas for common elements (e.g., aluminum, copper, iron, nitrogen, hydrogen, oxygen) and simple compounds (e.g., water, glucose, table salt, carbon dioxide, iron oxide, vinegar, methane, propane), and describe the uses of elements and compounds in society

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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A.1.3.D: : demonstrate the difference between elements and compounds on the basis of a decomposition reaction (e.g., electrolysis of water)

Screenshot of Balancing Chemical Equations

Balancing Chemical Equations

Balance and classify five types of chemical reactions: synthesis, decomposition, single replacement, double replacement, and combustion. While balancing the reactions, the number of atoms on each side is presented as visual, histogram, and numerical data. 5 Minute Preview


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Launch Gizmo
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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Launch Gizmo

A.2: : Skill Outcomes (focus on scientific inquiry)

A.2.1: : Initiating and Planning

A.2.1.A: : Ask questions about relationships between and among observable variables, and plan investigations to address those questions

A.2.1.A.1: : define questions and problems to facilitate investigation (e.g., ask how a mixture of salt and water could be separated into its components)

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
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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A.2.1.A.3: : formulate operational definitions of major variables and other aspects of their investigations (e.g., identify selected solutions and pure substances on the basis of their properties)

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 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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Launch Gizmo

A.2.1.A.4: : design an experiment, and identify major variables (e.g., investigate and classify elements as metals or nonmetals; test various detergents for effectiveness; identify factors that cause corrosion in iron)

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
Screenshot of Real-Time Histogram

Real-Time Histogram

Try to click your mouse once every 2 seconds. The time interval between each click is recorded, as well as the error and percent error. Data can be displayed in a table, histogram, or scatter plot. Observe and measure the characteristics of the resulting distribution when large amounts of data are collected. 5 Minute Preview


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Launch Gizmo

A.2.2: : Performing and Recording

A.2.2.A: : Conduct investigations into the relationships between and among observations, and gather and record qualitative and quantitative data

A.2.2.A.1: : carry out procedures, controlling the major variables (e.g., investigate properties, such as physical appearance, density, conductivity, solubility, magnetism and melting point, of sample materials in the laboratory and in a reference source, and tabulate the results)

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 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
Screenshot of Real-Time Histogram

Real-Time Histogram

Try to click your mouse once every 2 seconds. The time interval between each click is recorded, as well as the error and percent error. Data can be displayed in a table, histogram, or scatter plot. Observe and measure the characteristics of the resulting distribution when large amounts of data are collected. 5 Minute Preview


Lesson Info
Launch Gizmo

A.2.2.A.2: : organize data, using a format that is appropriate to the task or experiment (e.g., prepare a chart that describes the properties of common household solutions and lists procedures for their safe use, storage and disposal)

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


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Launch Gizmo

A.2.3: : Analyzing and Interpreting

A.2.3.A: : Analyze qualitative and quantitative data, and develop and assess possible explanations

A.2.3.A.3: : interpret patterns and trends in data, and infer and explain relationships among the variables (e.g., use data collected by computer in the laboratory or by other means to demonstrate that the solubility of substances varies with the nature of the solute and the solvent)

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

A.2.3.A.6: : identify and evaluate potential applications of findings (e.g., relate the use of standard laboratory separation techniques to the processes used in water treatment and purification; investigate how soaps and detergents can dissolve in both water and oil)

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

A.2.4: : Communication and Teamwork

A.2.4.A: : Work collaboratively on problems; and use appropriate language and formats to communicate ideas, procedures and results

A.2.4.A.2: : communicate questions, ideas, intentions, plans and results, using lists, notes in point form, sentences, data tables, graphs, drawings, oral language and other means (e.g., write a paragraph to describe how chemicals are used at home and in industry)

Screenshot of Graphing Skills

Graphing Skills

Create a graph (bar graph, line graph, pie chart, or scatter plot) based on a given data set. Title the graph, label the axes, and choose a scale. Adjust the graph to fit the data, and then check your accuracy. The Gizmo can also be used to create a data table based on a given graph. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Identifying Nutrients

Identifying Nutrients

Use a variety of real-world lab tests to analyze common food samples in order to determine if the food is a carbohydrate, a protein, or a lipid. Tests that can be performed include: Benedict, Lugol, Biuret, and Sudan Red. 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
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


Lesson Info
Launch Gizmo

A.3: : Attitude Outcomes

A.3.5: : Stewardship

A.3.5.A: : Demonstrate sensitivity and responsibility in pursuing a balance between the needs of humans and a sustainable environment (e.g., assume part of the collective responsibility for the impact of humans on the environment; consider the impact of technologies, weighing scientific, technological and ecological factors; evaluate the long-term impact of waste disposal, such as paints and cleaning solutions, on the environment and the quality of life of living organisms)

Screenshot of Coral Reefs 1 - Abiotic Factors

Coral Reefs 1 - Abiotic Factors

Explore the abiotic factors that affect Caribbean coral reefs. Many factors can be manipulated in this simplified reef model, including ocean temperature and pH, storm severity, and input of excess sediments and nutrients from logging, sewage, and agriculture. Click "Advance year" to see how the reef responds to these changes. 5 Minute Preview


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Launch Gizmo

B: : Understanding Energy Transfer Technologies (Science and Technology Emphasis)


B.1: : Science, Technology and Society (STS) and Knowledge

B.1.1: : Describe how natural and technological cooling and heating systems are based upon the transfer of thermal energy (heat) from hot to cold objects

B.1.1.B: : describe the three ways; i.e., radiation, conduction and convection, that thermal energy is transferred from hot to cold objects

Screenshot of Herschel Experiment - Metric

Herschel Experiment - Metric

Shine sunlight through a prism and use a thermometer to measure the temperature in different regions of the spectrum. The thermometer can be dragged through the visible spectrum and beyond. This recreates the experiment of William Herschel that led to the discovery of infrared radiation in 1800. 5 Minute Preview


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B.1.1.C: : describe the particle model of matter in which every object consists of particles in motion, and describe the effect of temperature on this motion (e.g., observe Brownian motion)

Screenshot of Temperature and Particle Motion

Temperature and Particle Motion

Observe the movement of particles of an ideal gas at a variety of temperatures. A histogram showing the Maxwell-Boltzmann velocity distribution is shown, and the most probable velocity, mean velocity, and root mean square velocity can be calculated. Molecules of different gases can be compared. 5 Minute Preview


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B.1.2: : Explain the functioning of common methods and devices designed to control the transfer of thermal energy

B.1.2.C: : describe the variation in absorption/loss of heat (specific heat capacity) of a substance being heated or cooled, by manipulating variables that include the amount and type of material (e.g., motor oil, cooking oil, water)

Screenshot of Calorimetry Lab

Calorimetry Lab

Investigate how calorimetry can be used to find relative specific heat values when different substances are mixed with water. Modify initial mass and temperature values to see effects on the system. One or any combination of the substances can be mixed with water. A dynamic graph (temperature vs. time) shows temperatures of the individual substances after mixing. 5 Minute Preview


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Launch Gizmo
Screenshot of Energy Conversion in a System

Energy Conversion in a System

A falling cylinder is attached to a rotating propeller that stirs and heats the water in a beaker. The mass and height of the cylinder, as well as the quantity and initial temperature of water can be adjusted. The temperature of the water is measured as energy is converted from one form to another. 5 Minute Preview


Lesson Info
Launch Gizmo

B.1.3: : Describe and compare simple machines as devices that transfer energy and multiply forces or distances

B.1.3.A: : analyze and describe simple machines as devices that transfer energy (e.g., screws, ramps, hammers, hockey sticks, tennis rackets)

Screenshot of Inclined Plane - Simple Machine

Inclined Plane - Simple Machine

Investigate how an inclined plane redirects and reduces the force pulling a brick downward, with or without friction. A toy car can apply a variable upward force on the brick, and the mechanical advantage and efficiency of the plane can be determined. A graph of force versus distance illustrates the concept of work. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Pulley Lab

Pulley Lab

Use a pulley system to lift a heavy weight to a certain height. Measure the force required to lift the weight using up to three fixed and three movable pulleys. The weight to be lifted and the efficiency of the pulley system can be adjusted, and the height of the weight and the total input distance are reported. 5 Minute Preview


Lesson Info
Launch Gizmo

B.1.3.B: : identify the joule and the newton metre as the units of energy and work in the International System of Units (SI)

Screenshot of Pulley Lab

Pulley Lab

Use a pulley system to lift a heavy weight to a certain height. Measure the force required to lift the weight using up to three fixed and three movable pulleys. The weight to be lifted and the efficiency of the pulley system can be adjusted, and the height of the weight and the total input distance are reported. 5 Minute Preview


Lesson Info
Launch Gizmo

B.1.3.C: : analyze and describe simple machines as either force multipliers or distance multipliers

Screenshot of Pulley Lab

Pulley Lab

Use a pulley system to lift a heavy weight to a certain height. Measure the force required to lift the weight using up to three fixed and three movable pulleys. The weight to be lifted and the efficiency of the pulley system can be adjusted, and the height of the weight and the total input distance are reported. 5 Minute Preview


Lesson Info
Launch Gizmo

B.1.3.D: : describe all simple machines as having an input force, an output force and a fulcrum (e.g., pulleys, doorknobs, winches)

Screenshot of Pulley Lab

Pulley Lab

Use a pulley system to lift a heavy weight to a certain height. Measure the force required to lift the weight using up to three fixed and three movable pulleys. The weight to be lifted and the efficiency of the pulley system can be adjusted, and the height of the weight and the total input distance are reported. 5 Minute Preview


Lesson Info
Launch Gizmo

B.1.3.E: : develop the relationship Fd, by measuring the force (F) applied to the object and the distance (d) the object is moved in the direction in which the force is applied (e.g., use a balance beam [teeter-totter] to establish equilibrium, placing differing masses at various distances)

Screenshot of Free-Fall Laboratory

Free-Fall Laboratory

Investigate the motion of an object as it falls to the ground. A variety of objects can be compared, and their motion can be observed in a vacuum, in normal air, and in denser air. The position, velocity, and acceleration are measured over time, and the forces on the object can be displayed. Using the manual settings, the mass, radius, height, and initial velocity of the object can be adjusted, as can the air density and wind. 5 Minute Preview


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Launch Gizmo

B.1.3.F: : explain the functioning of common household machines, in terms of force multipliers and ways in which work is made easier (e.g., can openers, crowbars, car jacks, scissors and hedge clippers)

Screenshot of Pulley Lab

Pulley Lab

Use a pulley system to lift a heavy weight to a certain height. Measure the force required to lift the weight using up to three fixed and three movable pulleys. The weight to be lifted and the efficiency of the pulley system can be adjusted, and the height of the weight and the total input distance are reported. 5 Minute Preview


Lesson Info
Launch Gizmo

B.2: : Skill Outcomes (focus on problem solving)

B.2.1: : Initiating and Planning

B.2.1.A: : Ask questions about relationships between and among observable variables, and plan investigations to address those questions

B.2.1.A.1: : rephrase questions in a testable form, and clearly define practical problems (e.g., "How is the human body analogous to a machine?")

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


Lesson Info
Launch Gizmo

B.2.1.A.2: : identify questions to investigate arising from practical problems and issues (e.g., investigate the functioning of common machines, such as car jacks, can and bottle openers, meat grinders, bicycles, ramps and others, that either change the direction, speed or magnitude of a force)

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


Lesson Info
Launch Gizmo

B.2.1.A.5: : design an experiment, and identify major variables (e.g., design an experiment to compare temperature changes in different liquids as they are heated, identifying variables and controls; write a procedure, design the observation tables or charts, and identify possible sources of error and their effects on the results)

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
Screenshot of Real-Time Histogram

Real-Time Histogram

Try to click your mouse once every 2 seconds. The time interval between each click is recorded, as well as the error and percent error. Data can be displayed in a table, histogram, or scatter plot. Observe and measure the characteristics of the resulting distribution when large amounts of data are collected. 5 Minute Preview


Lesson Info
Launch Gizmo

B.2.2: : Performing and Recording

B.2.2.A: : Conduct investigations into the relationships between and among observations, and gather and record qualitative and quantitative data

B.2.2.A.2: : use instruments effectively and accurately for collecting data (e.g., collect data on daily household energy consumption by recording electricity and gas meter readings over a two-week period; organize, display and analyze the 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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Launch Gizmo

B.2.3: : Analyzing and Interpreting

B.2.3.A: : Analyze qualitative and quantitative data, and develop and assess possible explanations

B.2.3.A.1: : interpret patterns and trends in data, and infer and explain relationships among the variables (e.g., suggest the reasons for daily fluctuations in domestic energy consumption)

Screenshot of Determining a Spring Constant

Determining a Spring Constant

Place a pan on the end of a hanging spring. Measure how much the spring stretches when various masses are added to the pan. Create a graph of displacement vs. mass to determine the spring constant of the spring. 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

B.2.3.A.3: : identify and evaluate potential applications of findings (e.g., perform an experiment to investigate how well various materials insulate; graph temperature changes; rank commonly available insulating materials from the most to the least effective, for constructing a heatretaining device)

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

B.2.3.A.4: : test the design of a constructed device or system (e.g., construct a model wall, roof, floor or window to test the effectiveness of several methods of insulating homes; evaluate insulating materials, such as brick, stone, straw, wood or paper)

Screenshot of Trebuchet

Trebuchet

Design your own trebuchet to fling a projectile at a castle wall. All of the dimensions of the trebuchet can be adjusted, as well as the masses of the counterweight and payload. Select a target on the Launch tab, or just see how far your projectile will go. 5 Minute Preview


Lesson Info
Launch Gizmo

B.2.3.A.6: : evaluate designs and prototypes in terms of function, reliability, safety, efficiency, use of materials and impact on the environment (e.g., test insulating materials and methods; determine the efficiency of a machine)

Screenshot of Trebuchet

Trebuchet

Design your own trebuchet to fling a projectile at a castle wall. All of the dimensions of the trebuchet can be adjusted, as well as the masses of the counterweight and payload. Select a target on the Launch tab, or just see how far your projectile will go. 5 Minute Preview


Lesson Info
Launch Gizmo

B.2.4: : Communication and Teamwork

B.2.4.A: : Work collaboratively on problems; and use appropriate language and formats to communicate ideas, procedures and results

B.2.4.A.2: : communicate questions, ideas, intentions, plans and results, using lists, notes in point form, sentences, data tables, graphs, drawings, oral language and other means (e.g., draw diagrams that show the differences between particles in solids, liquids and gases; communicate using the terms thermal energy, temperature and specific heat capacity; observe and accurately record the movement of dye in a convection tank)

Screenshot of Graphing Skills

Graphing Skills

Create a graph (bar graph, line graph, pie chart, or scatter plot) based on a given data set. Title the graph, label the axes, and choose a scale. Adjust the graph to fit the data, and then check your accuracy. The Gizmo can also be used to create a data table based on a given graph. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Identifying Nutrients

Identifying Nutrients

Use a variety of real-world lab tests to analyze common food samples in order to determine if the food is a carbohydrate, a protein, or a lipid. Tests that can be performed include: Benedict, Lugol, Biuret, and Sudan Red. 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
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


Lesson Info
Launch Gizmo

B.3: : Attitude Outcomes

B.3.5: : Stewardship

B.3.5.A: : Demonstrate sensitivity and responsibility in pursuing a balance between the needs of humans and a sustainable environment (e.g., promote actions and technologies that are not injurious to the environment; consider the impact of technology, weighing scientific, technological and ecological factors)

Screenshot of Coral Reefs 1 - Abiotic Factors

Coral Reefs 1 - Abiotic Factors

Explore the abiotic factors that affect Caribbean coral reefs. Many factors can be manipulated in this simplified reef model, including ocean temperature and pH, storm severity, and input of excess sediments and nutrients from logging, sewage, and agriculture. Click "Advance year" to see how the reef responds to these changes. 5 Minute Preview


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Launch Gizmo

C: : Investigating Matter and Energy in Living Systems (Science and Technology Emphasis)


C.1: : Science, Technology and Society (STS) and Knowledge

C.1.1: : Describe, in general terms, the exchange of matter by the digestive and circulatory systems, the functional relationship between the two systems and the need for a healthy diet and lifestyle

C.1.1.D: : describe, in general terms, the intake of matter and its processing by the digestive system (e.g., foods are broken down into molecules that are absorbed into the blood stream from the intestine; food intake leads to increased blood sugar and mineral levels)

Screenshot of Digestive System

Digestive System

Digestion is a complex process, involving a wide variety of organs and chemicals that work together to break down food, absorb nutrients, and eliminate wastes. But have you ever wondered what would happen if some of those organs were eliminated, or if the sequence was changed? Can the digestive system be improved? Find out by designing your own digestive system with the Digestive System Gizmo. 5 Minute Preview


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C.1.1.E: : describe, in general terms, the role of the heart and lungs in the circulatory system and in the exchange and distribution of matter processed by the digestive system

Screenshot of Circulatory System

Circulatory System

Trace the path of blood through a beating heart and the network of blood vessels that supplies blood to the body. Take blood samples from different blood vessels to observe blood cells and measure the levels of oxygen, carbon dioxide, sugar, and urea. 5 Minute Preview


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Launch Gizmo
Screenshot of Digestive System

Digestive System

Digestion is a complex process, involving a wide variety of organs and chemicals that work together to break down food, absorb nutrients, and eliminate wastes. But have you ever wondered what would happen if some of those organs were eliminated, or if the sequence was changed? Can the digestive system be improved? Find out by designing your own digestive system with the Digestive System Gizmo. 5 Minute Preview


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Launch Gizmo

C.1.1.F: : analyze the functional relationship between the digestive and circulatory systems, recognizing the work of early physicians (e.g., William Harvey, Ivan Pavlov, William Beaumont)

Screenshot of Circulatory System

Circulatory System

Trace the path of blood through a beating heart and the network of blood vessels that supplies blood to the body. Take blood samples from different blood vessels to observe blood cells and measure the levels of oxygen, carbon dioxide, sugar, and urea. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Digestive System

Digestive System

Digestion is a complex process, involving a wide variety of organs and chemicals that work together to break down food, absorb nutrients, and eliminate wastes. But have you ever wondered what would happen if some of those organs were eliminated, or if the sequence was changed? Can the digestive system be improved? Find out by designing your own digestive system with the Digestive System Gizmo. 5 Minute Preview


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Launch Gizmo

C.1.2: : Describe disorders of the digestive and circulatory systems as imbalances induced by genetic, lifestyle and environmental factors

C.1.2.A: : describe, in general terms, how the digestive and circulatory systems interact to assist in the maintenance of balance (homeostasis) in the human organism

Screenshot of Circulatory System

Circulatory System

Trace the path of blood through a beating heart and the network of blood vessels that supplies blood to the body. Take blood samples from different blood vessels to observe blood cells and measure the levels of oxygen, carbon dioxide, sugar, and urea. 5 Minute Preview


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Launch Gizmo

C.1.2.D: : analyze and explain, in general terms, a technology that is used to diagnose imbalances (e.g., endoscope, stethoscope) or to intervene and preserve balance (homeostasis) (e.g., kidney dialysis machine, pacemaker)

Screenshot of Homeostasis - High School

Homeostasis - High School

In the role of a physician assistant, students help a young man, named Anthony, who has Type II diabetes and high blood pressure. Students must make a diagnosis and then must apply the principles of filtration and homeostasis to help Anthony. Video Preview


Lesson Info
STEM Cases
Screenshot of Osmosis - High School

Osmosis - High School

As a veterinarian, students help a young calf, named Clark, who is having seizures. To determine the cause, the students fly into Clark's brain to learn about osmosis and apply their learning to save Clark. Video Preview


Lesson Info
STEM Cases

C.1.3: : Describe, in general terms, the structure and function of plant and animal cell parts; and trace the development of the cell theory

C.1.3.B: : describe the structure of the major parts of plant and animal cells, including the cell membrane, nucleus, vacuole, mitochondrion, chloroplast and cell wall

Screenshot of Cell Energy Cycle

Cell Energy Cycle

Explore the processes of photosynthesis and respiration that occur within plant and animal cells. The cyclical nature of the two processes can be constructed visually, and the simplified photosynthesis and respiration formulae can be balanced. 5 Minute Preview


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Launch Gizmo
Screenshot of Cell Types

Cell Types

Explore a wide variety of cells, from bacteria to human neurons, using a compound light microscope. Select a sample to study, then focus on the sample using the coarse and fine focus controls of the microscope. Compare the structures found in different cells, then perform tests to see if the sample is alive. 5 Minute Preview


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Launch Gizmo
Screenshot of Paramecium Homeostasis

Paramecium Homeostasis

Observe how a paramecium maintains stable internal conditions in a changing aquatic environment. Water moves into the organism by osmosis, and is pumped out by the contractile vacuole. The concentration of solutes in the water will determine the rate of contractions in the paramecium. 5 Minute Preview


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Launch Gizmo
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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C.1.3.C: : describe, using analogies where appropriate, the functions of the major parts of plant and animal cells, including the cell membrane, nucleus, vacuole, mitochondrion, chloroplast and cell wall (e.g., compare cell functions to the functioning of a city)

Screenshot of Cell Energy Cycle

Cell Energy Cycle

Explore the processes of photosynthesis and respiration that occur within plant and animal cells. The cyclical nature of the two processes can be constructed visually, and the simplified photosynthesis and respiration formulae can be balanced. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Cell Types

Cell Types

Explore a wide variety of cells, from bacteria to human neurons, using a compound light microscope. Select a sample to study, then focus on the sample using the coarse and fine focus controls of the microscope. Compare the structures found in different cells, then perform tests to see if the sample is alive. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Paramecium Homeostasis

Paramecium Homeostasis

Observe how a paramecium maintains stable internal conditions in a changing aquatic environment. Water moves into the organism by osmosis, and is pumped out by the contractile vacuole. The concentration of solutes in the water will determine the rate of contractions in the paramecium. 5 Minute Preview


Lesson Info
Launch Gizmo
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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Launch Gizmo

C.1.4: : Identify and compare, in general terms, the life functions common to living systems, from cells to organ systems

C.1.4.A: : describe the relationship between photosynthesis and cellular respiration in terms of biological energy storage; i.e., capture of energy from the Sun in glucose during photosynthesis, and the release of energy from glucose during respiration

Screenshot of Cell Energy Cycle

Cell Energy Cycle

Explore the processes of photosynthesis and respiration that occur within plant and animal cells. The cyclical nature of the two processes can be constructed visually, and the simplified photosynthesis and respiration formulae can be balanced. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Photosynthesis - High School

Photosynthesis - High School

As a marine biologist students learn about photosynthesis to help scientists in Australia determine why the coral in the Great Barrier Reef is bleaching. Video Preview


Lesson Info
STEM Cases

C.1.4.C: : identify organs and systems in plants and animals that carry out the above life functions

Screenshot of Circulatory System

Circulatory System

Trace the path of blood through a beating heart and the network of blood vessels that supplies blood to the body. Take blood samples from different blood vessels to observe blood cells and measure the levels of oxygen, carbon dioxide, sugar, and urea. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Digestive System

Digestive System

Digestion is a complex process, involving a wide variety of organs and chemicals that work together to break down food, absorb nutrients, and eliminate wastes. But have you ever wondered what would happen if some of those organs were eliminated, or if the sequence was changed? Can the digestive system be improved? Find out by designing your own digestive system with the Digestive System Gizmo. 5 Minute Preview


Lesson Info
Launch Gizmo

C.1.4.D: : identify the major human organ systems that perform critical life functions; i.e., energy conversion, response to the environment, growth, reproduction, and conservation or dissipation of thermal energy

Screenshot of Circulatory System

Circulatory System

Trace the path of blood through a beating heart and the network of blood vessels that supplies blood to the body. Take blood samples from different blood vessels to observe blood cells and measure the levels of oxygen, carbon dioxide, sugar, and urea. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Digestive System

Digestive System

Digestion is a complex process, involving a wide variety of organs and chemicals that work together to break down food, absorb nutrients, and eliminate wastes. But have you ever wondered what would happen if some of those organs were eliminated, or if the sequence was changed? Can the digestive system be improved? Find out by designing your own digestive system with the Digestive System Gizmo. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Human Homeostasis

Human Homeostasis

Adjust the levels of clothing, perspiration, and exercise to maintain a stable internal temperature as the external temperature changes. Water and blood sugar levels need to be replenished regularly, and fatigue occurs with heavy exercise. Severe hypothermia, heat stroke, or dehydration can result if internal stability is not maintained. 5 Minute Preview


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C.1.4.F: : identify and describe the role of modern technology in monitoring critical life functions in humans (e.g., ultrasound, heart monitor, blood pressure cuff, blood glucose monitoring devices)

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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Launch Gizmo

C.2: : Skill Outcomes (focus on problem solving)

C.2.1: : Initiating and Planning

C.2.1.A: : Ask questions about relationships between and among observable variables, and plan investigations to address those questions

C.2.1.A.1: : rephrase questions in a testable form, and clearly define practical problems (e.g., "Is there a relationship between social attitudes and diet?", "What design features would a device have in order to listen to a heart beat?")

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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Launch Gizmo

C.2.1.A.2: : identify questions to investigate arising from practical problems and issues (e.g., plan and conduct a search, using a wide variety of electronic sources, when investigating technology used to monitor critical life functions)

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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Launch Gizmo

C.2.2: : Performing and Recording

C.2.2.A: : Conduct investigations into the relationships between and among observations, and gather and record qualitative and quantitative data

C.2.2.A.1: : carry out procedures, controlling the major variables (e.g., perform experiments that demonstrate diffusion rate, and communicate this information graphically; identify the manipulated, responding and controlled variables for an experimental investigation of the effect of exercise on heart rate)

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 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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Launch Gizmo
Screenshot of Real-Time Histogram

Real-Time Histogram

Try to click your mouse once every 2 seconds. The time interval between each click is recorded, as well as the error and percent error. Data can be displayed in a table, histogram, or scatter plot. Observe and measure the characteristics of the resulting distribution when large amounts of data are collected. 5 Minute Preview


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Launch Gizmo

C.2.2.A.3: : use instruments effectively and accurately for collecting data (e.g., prepare wet mounts of tissue, and observe cellular structures specific to plant cells and animal cells; observe structures using photomicrographs or electron micrographs)

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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Launch Gizmo

C.2.2.A.4: : organize data, using a format that is appropriate to the task or experiment (e.g., determine the nutrient components in popular diets)

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


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C.2.3: : Analyzing and Interpreting

C.2.3.A: : Analyze qualitative and quantitative data, and develop and assess possible explanations

C.2.3.A.1: : state a conclusion, based on experimental data, and explain how evidence gathered supports or refutes an initial idea (e.g., observe cytoplasmic streaming in the paramecium, and compare this method of matter distribution to that in multicellular living systems, such as the human organism; observe the feeding behaviour of paramecium, and compare this to the processes that occur in the human organism)

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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Launch Gizmo

C.2.3.A.2: : critique the design of a constructed device or system (e.g., model of cell, stethoscope)

Screenshot of Trebuchet

Trebuchet

Design your own trebuchet to fling a projectile at a castle wall. All of the dimensions of the trebuchet can be adjusted, as well as the masses of the counterweight and payload. Select a target on the Launch tab, or just see how far your projectile will go. 5 Minute Preview


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C.2.3.A.4: : evaluate designs and prototypes in terms of function, reliability, safety, efficiency, use of materials and impact on the environment (e.g., a device built to monitor life functions)

Screenshot of Trebuchet

Trebuchet

Design your own trebuchet to fling a projectile at a castle wall. All of the dimensions of the trebuchet can be adjusted, as well as the masses of the counterweight and payload. Select a target on the Launch tab, or just see how far your projectile will go. 5 Minute Preview


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Launch Gizmo

C.2.4: : Communication and Teamwork

C.2.4.A: : Work collaboratively on problems; and use appropriate language and formats to communicate ideas, procedures and results

C.2.4.A.2: : communicate questions, ideas, intentions, plans and results, using lists, notes in point form, sentences, data tables, graphs, drawings, oral language and other means (e.g., research and identify the cause and physiological basis of a specific disorder in one of the systems studied; present this information orally to peers or in a document, using style sheets and with attention to page layout that incorporates advanced word processing techniques, including headers, footers, margins, columns, bibliography, index, table of contents)

Screenshot of Identifying Nutrients

Identifying Nutrients

Use a variety of real-world lab tests to analyze common food samples in order to determine if the food is a carbohydrate, a protein, or a lipid. Tests that can be performed include: Benedict, Lugol, Biuret, and Sudan Red. 5 Minute Preview


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Launch Gizmo
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


Lesson Info
Launch Gizmo

C.3: : Attitude Outcomes

C.3.5: : Stewardship

C.3.5.A: : Demonstrate sensitivity and responsibility in pursuing a balance between the needs of humans and a sustainable environment (e.g., consider all perspectives when addressing issues, weighing scientific, technological and ecological factors)

Screenshot of Coral Reefs 1 - Abiotic Factors

Coral Reefs 1 - Abiotic Factors

Explore the abiotic factors that affect Caribbean coral reefs. Many factors can be manipulated in this simplified reef model, including ocean temperature and pH, storm severity, and input of excess sediments and nutrients from logging, sewage, and agriculture. Click "Advance year" to see how the reef responds to these changes. 5 Minute Preview


Lesson Info
Launch Gizmo

D: : Investigating Matter and Energy in the Environment (Social and Environmental Emphasis)


D.1: : Science, Technology and Society (STS) and Knowledge

D.1.1: : Describe how the flow of matter in the biosphere is cyclical along characteristic pathways and can be disrupted by human activity

D.1.1.A: : explain the role of living systems in the cycling of matter in the biosphere (e.g., food chains)

Screenshot of Cell Energy Cycle

Cell Energy Cycle

Explore the processes of photosynthesis and respiration that occur within plant and animal cells. The cyclical nature of the two processes can be constructed visually, and the simplified photosynthesis and respiration formulae can be balanced. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Food Chain

Food Chain

In this ecosystem consisting of hawks, snakes, rabbits and grass, the population of each species can be studied as part of a food chain. Disease can be introduced for any species, and the number of animals can be increased or decreased at any time, just like in the real world. 5 Minute Preview


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D.1.1.D: : describe, in general terms, how water, carbon, oxygen and nitrogen are cycled through the biosphere

Screenshot of Carbon Cycle

Carbon Cycle

Follow the path of a carbon atom through the atmosphere, biosphere, hydrosphere, and geosphere. Manipulate a simplified model to see how human activities and other factors affect the amount of atmospheric carbon today and in the future. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Cell Energy Cycle

Cell Energy Cycle

Explore the processes of photosynthesis and respiration that occur within plant and animal cells. The cyclical nature of the two processes can be constructed visually, and the simplified photosynthesis and respiration formulae can be balanced. 5 Minute Preview


Lesson Info
Launch Gizmo

D.1.1.E: : explain why the flow of energy through the biosphere is linear and noncyclical

Screenshot of Food Chain

Food Chain

In this ecosystem consisting of hawks, snakes, rabbits and grass, the population of each species can be studied as part of a food chain. Disease can be introduced for any species, and the number of animals can be increased or decreased at any time, just like in the real world. 5 Minute Preview


Lesson Info
Launch Gizmo

D.1.2: : Analyze a local ecosystem in terms of its biotic and abiotic components, and describe factors of the equilibrium

D.1.2.B: : define ecosystems in terms of biotic and abiotic factors (e.g., common plants and animals, latitude, altitude, topography)

Screenshot of Coral Reefs 1 - Abiotic Factors

Coral Reefs 1 - Abiotic Factors

Explore the abiotic factors that affect Caribbean coral reefs. Many factors can be manipulated in this simplified reef model, including ocean temperature and pH, storm severity, and input of excess sediments and nutrients from logging, sewage, and agriculture. Click "Advance year" to see how the reef responds to these changes. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Coral Reefs 2 - Biotic Factors

Coral Reefs 2 - Biotic Factors

In this followup to the Coral Reefs 1 - Abiotic Factors activity, investigate the impacts of fishing, disease, and invasive species on a model Caribbean coral reef. Many variables can be manipulated, included intensity of fishing, presence of black band and white band disease, and the presence of actual and potential invasive species. Click "Advance year" to see the impacts of these biotic changes. 5 Minute Preview


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Launch Gizmo

D.1.2.C: : describe how various abiotic factors influence biodiversity in an ecosystem (e.g., climate, substrate, temperature, elevation)

Screenshot of Coral Reefs 1 - Abiotic Factors

Coral Reefs 1 - Abiotic Factors

Explore the abiotic factors that affect Caribbean coral reefs. Many factors can be manipulated in this simplified reef model, including ocean temperature and pH, storm severity, and input of excess sediments and nutrients from logging, sewage, and agriculture. Click "Advance year" to see how the reef responds to these changes. 5 Minute Preview


Lesson Info
Launch Gizmo

D.1.2.D: : explain how biotic relationships can be explained in terms of the movement of matter and energy, using food chains, food webs and energy pyramids

Screenshot of Cell Energy Cycle

Cell Energy Cycle

Explore the processes of photosynthesis and respiration that occur within plant and animal cells. The cyclical nature of the two processes can be constructed visually, and the simplified photosynthesis and respiration formulae can be balanced. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Food Chain

Food Chain

In this ecosystem consisting of hawks, snakes, rabbits and grass, the population of each species can be studied as part of a food chain. Disease can be introduced for any species, and the number of animals can be increased or decreased at any time, just like in the real world. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Forest Ecosystem

Forest Ecosystem

Observe and manipulate the populations of four creatures (trees, deer, bears, and mushrooms) in a forest. Investigate the feeding relationships (food web) in the forest. Determine which creatures are producers, consumers, and decomposers. Pictographs and line graphs show changes in populations over time. 5 Minute Preview


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D.1.2.E: : explain how various factors influence the size of populations; i.e., immigration and emigration, birth and death rates, food supply, predation, disease, reproductive rate, number of offspring produced, and climate change

Screenshot of Coral Reefs 1 - Abiotic Factors

Coral Reefs 1 - Abiotic Factors

Explore the abiotic factors that affect Caribbean coral reefs. Many factors can be manipulated in this simplified reef model, including ocean temperature and pH, storm severity, and input of excess sediments and nutrients from logging, sewage, and agriculture. Click "Advance year" to see how the reef responds to these changes. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Coral Reefs 2 - Biotic Factors

Coral Reefs 2 - Biotic Factors

In this followup to the Coral Reefs 1 - Abiotic Factors activity, investigate the impacts of fishing, disease, and invasive species on a model Caribbean coral reef. Many variables can be manipulated, included intensity of fishing, presence of black band and white band disease, and the presence of actual and potential invasive species. Click "Advance year" to see the impacts of these biotic changes. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Food Chain

Food Chain

In this ecosystem consisting of hawks, snakes, rabbits and grass, the population of each species can be studied as part of a food chain. Disease can be introduced for any species, and the number of animals can be increased or decreased at any time, just like in the real world. 5 Minute Preview


Lesson Info
Launch Gizmo

D.1.2.F: : describe how interactions among organisms limit populations (e.g., predation, parasitism, competition)

Screenshot of Food Chain

Food Chain

In this ecosystem consisting of hawks, snakes, rabbits and grass, the population of each species can be studied as part of a food chain. Disease can be introduced for any species, and the number of animals can be increased or decreased at any time, just like in the real world. 5 Minute Preview


Lesson Info
Launch Gizmo

D.1.2.H: : describe the relationship between land use practices and altering ecosystems (e.g., swamp drainage, slash and burn forestry, agriculture)

Screenshot of Coral Reefs 1 - Abiotic Factors

Coral Reefs 1 - Abiotic Factors

Explore the abiotic factors that affect Caribbean coral reefs. Many factors can be manipulated in this simplified reef model, including ocean temperature and pH, storm severity, and input of excess sediments and nutrients from logging, sewage, and agriculture. Click "Advance year" to see how the reef responds to these changes. 5 Minute Preview


Lesson Info
Launch Gizmo

D.2: : Skill Outcomes (focus on the use of research and inquiry skills to inform the decision-making process)

D.2.1: : Initiating and Planning

D.2.1.A: : Ask questions about relationships between and among observable variables, and plan investigations to address those questions

D.2.1.A.1: : identify questions to investigate arising from practical problems and issues (e.g., develop questions related to recycling, ozone depletion or introduction of exotic species)

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


Lesson Info
Launch Gizmo
Screenshot of Nitrogen Cycle - High School

Nitrogen Cycle - High School

An infant on a farm has blue baby syndrome. As an EPA environmental engineer, students must find the cause of the baby's illness. Using environment data, students learn the importance of the nitrogen cycle and how human factors can impact nature. Video Preview


Lesson Info
STEM Cases

D.2.1.A.2: : define questions and problems to facilitate investigation (e.g., develop questions to guide investigations on composting, recycling, impact of farming practices on local ecosystems)

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
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


Lesson Info
Launch Gizmo

D.2.1.A.3: : design an experiment; and identify the manipulated, responding and controlled variables (e.g., investigate the amount of waste materials produced by a school or family on a daily or weekly basis)

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
Screenshot of Real-Time Histogram

Real-Time Histogram

Try to click your mouse once every 2 seconds. The time interval between each click is recorded, as well as the error and percent error. Data can be displayed in a table, histogram, or scatter plot. Observe and measure the characteristics of the resulting distribution when large amounts of data are collected. 5 Minute Preview


Lesson Info
Launch Gizmo

D.2.1.A.4: : select appropriate methods and tools for collecting data and information to solve problems (e.g., plan and conduct a search for environmental projects, using a wide variety of electronic sources)

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


Lesson Info
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D.2.2: : Performing and Recording

D.2.2.A: : Conduct investigations into the relationships between and among observations, and gather and record qualitative and quantitative data

D.2.2.A.1: : carry out procedures, controlling the major variables (e.g., perform quantitative experiments to demonstrate that cellular respiration releases some thermal energy)

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 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 Real-Time Histogram

Real-Time Histogram

Try to click your mouse once every 2 seconds. The time interval between each click is recorded, as well as the error and percent error. Data can be displayed in a table, histogram, or scatter plot. Observe and measure the characteristics of the resulting distribution when large amounts of data are collected. 5 Minute Preview


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D.2.2.A.3: : organize data, using a format that is appropriate to the task or experiment (e.g., analyze the biotic and abiotic data collected in an ecosystem study, and present this information in a written or graphic format or in an oral presentation to peers)

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


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D.2.3: : Analyzing and Interpreting

D.2.3.A: : Analyze qualitative and quantitative data, and develop and assess possible explanations

D.2.3.A.1: : compile and display data, by hand or computer, in a variety of formats, including diagrams, flow charts, tables, bar graphs, line graphs and scatterplots (e.g., analyze population growth curve graphs; communicate information on the flow of energy through the biosphere, using a diagram or flow chart)

Screenshot of Identifying Nutrients

Identifying Nutrients

Use a variety of real-world lab tests to analyze common food samples in order to determine if the food is a carbohydrate, a protein, or a lipid. Tests that can be performed include: Benedict, Lugol, Biuret, and Sudan Red. 5 Minute Preview


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D.2.3.A.5: : identify and evaluate potential applications of findings (e.g., experimentally determine the biodegradability of various forms of organic matter, and relate findings to composting and recycling)

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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D.2.4: : Communication and Teamwork

D.2.4.A: : Work collaboratively on problems; and use appropriate language and formats to communicate ideas, procedures and results

D.2.4.A.2: : communicate questions, ideas, intentions, plans and results, using lists, notes in point form, sentences, data tables, graphs, drawings, oral language and other means (e.g., represent the movement of matter and energy in an ecosystem, using food chains, webs or pyramids, and communicate this information in the form of a graphic illustration; describe the biogeochemical cycles of carbon, nitrogen or oxygen, and communicate this information in clearly labelled charts, models or diagrams)

Screenshot of Identifying Nutrients

Identifying Nutrients

Use a variety of real-world lab tests to analyze common food samples in order to determine if the food is a carbohydrate, a protein, or a lipid. Tests that can be performed include: Benedict, Lugol, Biuret, and Sudan Red. 5 Minute Preview


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D.2.4.A.4: : evaluate individual and group processes used in planning, problem solving, decision making and completing a task (e.g., evaluate group brainstorming ideas for environmental projects)

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
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D.3: : Attitude Outcomes

D.3.5: : Stewardship

D.3.5.A: : Demonstrate sensitivity and responsibility in pursuing a balance between the needs of humans and a sustainable environment (e.g., examine their personal role in the preservation of the environment; make personal decisions based on feelings of responsibility toward less privileged parts of the global community and toward future generations; participate in the social and political systems that influence environmental policy in their community)

Screenshot of Coral Reefs 1 - Abiotic Factors

Coral Reefs 1 - Abiotic Factors

Explore the abiotic factors that affect Caribbean coral reefs. Many factors can be manipulated in this simplified reef model, including ocean temperature and pH, storm severity, and input of excess sediments and nutrients from logging, sewage, and agriculture. Click "Advance year" to see how the reef responds to these changes. 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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Each STEM Case uses realtime reporting to show live student results.
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STEM Cases take between 30-90 minutes for students to complete, depending on the case.

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© 2025 ExploreLearning. All rights reserved. Gizmo and Gizmos are registered trademarks of ExploreLearning. STEM Cases, Handbooks and the associated Realtime Reporting System are protected by US Patent No. 10,410,534

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