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  • New Brunswick Standards
  • Science: 12th Grade Chemistry

New Brunswick - Science: 12th Grade Chemistry

New Brunswick Curriculum | Adopted: 2009

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

1: : Thermochemistry


1.1: : Thermochemistry STSE

1.1.3: : distinguish between questions that can be answered using thermochemistry and those that cannot, and between problems that can be solved by technology and those that cannot.

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

1.3: : Enthalpy Changes (1)

1.3.1: : define endothermic reaction, exothermic reaction, specific heat capacity, enthalpy, bond energy, heat of reaction, and molar enthalpy.

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


Lesson Info
Launch Gizmo
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 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

1.3.3: : differentiate between endothermic and exothermic 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

1.3.4: : calculate specific heat capacity.

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


Lesson Info
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

1.3.5: : use specific heat capacity in calculations.

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


Lesson Info
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

1.3.6: : perform heat transfer problems.

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


Lesson Info
Launch Gizmo

1.5: : Enthalpy Changes (3)

1.5.4: : calculate and compare the energy involved in changes of state.

1.5.4.a: : calculate the heat gained or lost from a system using the formulas q = mc delta T and q = n delta H.

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


Lesson Info
Launch Gizmo

1.6: : Thermochemistry Experimentation

1.6.4: : determine experimentally the changes in energy of various chemical reactions

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

1.6.5: : analyse the knowledge and skills acquired in their study of thermochemistry to identify areas of further study related to science and technology

1.6.5.a: : compare physical, chemical, and nuclear changes in terms of the species and the magnitude of energy changes involved

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 Nuclear Decay

Nuclear Decay

Observe the five main types of nuclear decay: alpha decay, beta decay, gamma decay, positron emission, and electron capture. Write nuclear equations by determining the mass numbers and atomic numbers of daughter products and emitted particles. 5 Minute Preview


Lesson Info
Launch Gizmo

2: : From Solutions to Kinetics to Equilibrium


2.1: : Kinetics and Rate of Reaction

2.1.1: : identify and discuss the properties and situations in which the rate of reaction is a factor

2.1.1.a: : identify the factors that affect rate of reaction and how these can be controlled

Screenshot of Collision Theory

Collision Theory

Observe a chemical reaction with and without a catalyst. Determine the effects of concentration, temperature, surface area, and catalysts on reaction rates. Reactant and product concentrations through time are recorded, and the speed of the simulation can be adjusted by the user. 5 Minute Preview


Lesson Info
Launch Gizmo

2.1.1.b: : perform an experiment to determine the factors that affect the rate of a chemical reaction

Screenshot of Collision Theory

Collision Theory

Observe a chemical reaction with and without a catalyst. Determine the effects of concentration, temperature, surface area, and catalysts on reaction rates. Reactant and product concentrations through time are recorded, and the speed of the simulation can be adjusted by the user. 5 Minute Preview


Lesson Info
Launch Gizmo

2.2: : Collision Theory, Reaction Mechanisms and Catalysts (1)

2.2.1: : describe collision theory and its connection to factors involved in altering reaction rates

2.2.1.a: : explain how various factors can affect the rate of a reaction

Screenshot of Collision Theory

Collision Theory

Observe a chemical reaction with and without a catalyst. Determine the effects of concentration, temperature, surface area, and catalysts on reaction rates. Reactant and product concentrations through time are recorded, and the speed of the simulation can be adjusted by the user. 5 Minute Preview


Lesson Info
Launch Gizmo

2.3: : Collision Theory, Reaction Mechanisms and Catalysts (2)

2.3.1: : describe a reaction mechanism and catalystâ??s role in a chemical reaction

2.3.1.c: : define reaction mechanism as a series of elementary reactions

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
Screenshot of Equilibrium and Concentration

Equilibrium and Concentration

Observe how reactants and products interact in reversible reactions. The initial amount of each substance can be manipulated, as well as the pressure on the chamber. The amounts, concentrations, and partial pressures of each reactant and product can be tracked over time as the reaction proceeds toward equilibrium. 5 Minute Preview


Lesson Info
Launch Gizmo

2.3.1.d: : identify the following components of a reaction mechanism: rate-determining step, reaction intermediates, and catalysts

Screenshot of Collision Theory

Collision Theory

Observe a chemical reaction with and without a catalyst. Determine the effects of concentration, temperature, surface area, and catalysts on reaction rates. Reactant and product concentrations through time are recorded, and the speed of the simulation can be adjusted by the user. 5 Minute Preview


Lesson Info
Launch Gizmo

2.3.1.e: : write the overall reaction equation from a reaction mechanism

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
Screenshot of Equilibrium and Concentration

Equilibrium and Concentration

Observe how reactants and products interact in reversible reactions. The initial amount of each substance can be manipulated, as well as the pressure on the chamber. The amounts, concentrations, and partial pressures of each reactant and product can be tracked over time as the reaction proceeds toward equilibrium. 5 Minute Preview


Lesson Info
Launch Gizmo

2.3.2: : Demonstrate an understanding of rate laws with respect to the progress of the reaction

Screenshot of Collision Theory

Collision Theory

Observe a chemical reaction with and without a catalyst. Determine the effects of concentration, temperature, surface area, and catalysts on reaction rates. Reactant and product concentrations through time are recorded, and the speed of the simulation can be adjusted by the user. 5 Minute Preview


Lesson Info
Launch Gizmo

2.3.3: : Write the rate laws given the reaction mechanism or experimental data

Screenshot of Collision Theory

Collision Theory

Observe a chemical reaction with and without a catalyst. Determine the effects of concentration, temperature, surface area, and catalysts on reaction rates. Reactant and product concentrations through time are recorded, and the speed of the simulation can be adjusted by the user. 5 Minute Preview


Lesson Info
Launch Gizmo

2.3.4: : Identify the reaction order

Screenshot of Collision Theory

Collision Theory

Observe a chemical reaction with and without a catalyst. Determine the effects of concentration, temperature, surface area, and catalysts on reaction rates. Reactant and product concentrations through time are recorded, and the speed of the simulation can be adjusted by the user. 5 Minute Preview


Lesson Info
Launch Gizmo

2.4: : Chemical Equilibrium (1)

2.4.1: : compile and organize data, using appropriate formats and data treatments to facilitate interpretation of the data

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

2.4.2: : define the concept of equilibrium as it pertains to solutions

Screenshot of Equilibrium and Concentration

Equilibrium and Concentration

Observe how reactants and products interact in reversible reactions. The initial amount of each substance can be manipulated, as well as the pressure on the chamber. The amounts, concentrations, and partial pressures of each reactant and product can be tracked over time as the reaction proceeds toward equilibrium. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Equilibrium and Pressure

Equilibrium and Pressure

Observe how reactants and products interact in reversible reactions. The amounts of each substance can be manipulated, as well as the pressure on the chamber. This lesson focuses on partial pressures, Dalton's law, and Le Chatelier's principle. 5 Minute Preview


Lesson Info
Launch Gizmo

2.5: : Chemical Equilibrium (2)

2.5.1: : develop and implement appropriate sampling procedures for equilibrium expressions

2.5.1.a: : write equilibrium constant expressions

Screenshot of Equilibrium and Concentration

Equilibrium and Concentration

Observe how reactants and products interact in reversible reactions. The initial amount of each substance can be manipulated, as well as the pressure on the chamber. The amounts, concentrations, and partial pressures of each reactant and product can be tracked over time as the reaction proceeds toward equilibrium. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Equilibrium and Pressure

Equilibrium and Pressure

Observe how reactants and products interact in reversible reactions. The amounts of each substance can be manipulated, as well as the pressure on the chamber. This lesson focuses on partial pressures, Dalton's law, and Le Chatelier's principle. 5 Minute Preview


Lesson Info
Launch Gizmo

2.5.1.b: : predict the favourability of reactant or products in a reversible reaction, on the basis of the magnitude of the equilibrium constant

Screenshot of Equilibrium and Concentration

Equilibrium and Concentration

Observe how reactants and products interact in reversible reactions. The initial amount of each substance can be manipulated, as well as the pressure on the chamber. The amounts, concentrations, and partial pressures of each reactant and product can be tracked over time as the reaction proceeds toward equilibrium. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Equilibrium and Pressure

Equilibrium and Pressure

Observe how reactants and products interact in reversible reactions. The amounts of each substance can be manipulated, as well as the pressure on the chamber. This lesson focuses on partial pressures, Dalton's law, and Le Chatelier's principle. 5 Minute Preview


Lesson Info
Launch Gizmo

2.5.3: : Calculation of Equilibrium Constant using the partial pressures of gases (Kp)

Screenshot of Equilibrium and Pressure

Equilibrium and Pressure

Observe how reactants and products interact in reversible reactions. The amounts of each substance can be manipulated, as well as the pressure on the chamber. This lesson focuses on partial pressures, Dalton's law, and Le Chatelier's principle. 5 Minute Preview


Lesson Info
Launch Gizmo

2.6: : Chemical Equilibrium (3)

2.6.2: : explain the roles of evidence, theories, and paradigms in Le Châtelierâ??s Principle

Screenshot of Equilibrium and Concentration

Equilibrium and Concentration

Observe how reactants and products interact in reversible reactions. The initial amount of each substance can be manipulated, as well as the pressure on the chamber. The amounts, concentrations, and partial pressures of each reactant and product can be tracked over time as the reaction proceeds toward equilibrium. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Equilibrium and Pressure

Equilibrium and Pressure

Observe how reactants and products interact in reversible reactions. The amounts of each substance can be manipulated, as well as the pressure on the chamber. This lesson focuses on partial pressures, Dalton's law, and Le Chatelier's principle. 5 Minute Preview


Lesson Info
Launch Gizmo

2.7: : Chemical Equilibrium (4)

2.7.2: : analyse and describe examples where technologies were developed based on scientific understanding

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: : Acids and Bases


3.1: : Properties and Definitions of Acids and Bases (1)

3.1.2: : describe various acid-base definitions up to the Brønsted-Lowry definition

Screenshot of Titration

Titration

Measure the quantity of a known solution needed to neutralize an acid or base of unknown concentration. Use this information to calculate the unknown concentration. A variety of indicators can be used to show the pH of the solution. 5 Minute Preview


Lesson Info
Launch Gizmo

3.2: : Properties and Definitions of Acids and Bases (2)

3.2.1: : explain how acid-base theory evolved as new evidence and laws and theories were tested and revised, or replaced

3.2.1.a: : define a Brønsted-Lowry acid and a Brønsted-Lowry base

Screenshot of Titration

Titration

Measure the quantity of a known solution needed to neutralize an acid or base of unknown concentration. Use this information to calculate the unknown concentration. A variety of indicators can be used to show the pH of the solution. 5 Minute Preview


Lesson Info
Launch Gizmo

3.2.2: : explain the roles of evidence, theories, and paradigms in acid-base theories

3.2.2.a: : trace the development of acid-base theories from the original Arrhenius definition to the modern revised Arrhenius concept up to the Brønsted-Lowry theory

Screenshot of Titration

Titration

Measure the quantity of a known solution needed to neutralize an acid or base of unknown concentration. Use this information to calculate the unknown concentration. A variety of indicators can be used to show the pH of the solution. 5 Minute Preview


Lesson Info
Launch Gizmo
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


Lesson Info
Launch Gizmo

3.5: : Using the Equilibrium Concept with Acids and Bases (1)

3.5.1: : compare strong and weak acids and bases using the concept of equilibrium

3.5.1.b: : perform calculations to determine any of the above from empirical data

Screenshot of Titration

Titration

Measure the quantity of a known solution needed to neutralize an acid or base of unknown concentration. Use this information to calculate the unknown concentration. A variety of indicators can be used to show the pH of the solution. 5 Minute Preview


Lesson Info
Launch Gizmo

3.5.1.c: : define % dissociation, Ka and Kb qualitatively and relate their values to acid and base strength

Screenshot of Titration

Titration

Measure the quantity of a known solution needed to neutralize an acid or base of unknown concentration. Use this information to calculate the unknown concentration. A variety of indicators can be used to show the pH of the solution. 5 Minute Preview


Lesson Info
Launch Gizmo

3.5.1.d: : identify the values of pH and pOH associated with acidic and basic solutions

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


Lesson Info
Launch Gizmo

3.6: : Using the Equilibrium Concept with Acids and Bases (2)

3.6.1: : compare strong and weak acids and bases using the concept of equilibrium

3.6.1.b: : perform calculations to determine any of the above from empirical data

Screenshot of Titration

Titration

Measure the quantity of a known solution needed to neutralize an acid or base of unknown concentration. Use this information to calculate the unknown concentration. A variety of indicators can be used to show the pH of the solution. 5 Minute Preview


Lesson Info
Launch Gizmo

3.6.1.c: : perform calculations of equilibrium concentrations given initial concentration and K value for which the quadratic equation may be used

Screenshot of Equilibrium and Concentration

Equilibrium and Concentration

Observe how reactants and products interact in reversible reactions. The initial amount of each substance can be manipulated, as well as the pressure on the chamber. The amounts, concentrations, and partial pressures of each reactant and product can be tracked over time as the reaction proceeds toward equilibrium. 5 Minute Preview


Lesson Info
Launch Gizmo

3.6.1.d: : perform calculations of equilibrium concentrations given [H+] or pH and the K value

Screenshot of Titration

Titration

Measure the quantity of a known solution needed to neutralize an acid or base of unknown concentration. Use this information to calculate the unknown concentration. A variety of indicators can be used to show the pH of the solution. 5 Minute Preview


Lesson Info
Launch Gizmo

3.7: : Using the Equilibrium Concept with Acids and Bases (3)

3.7.1: : calculate the pH of an acid or base given its concentration, and vice versa

3.7.1.b: : calculate pH given the concentration of a weak acid or weak base along with the corresponding dissociation constant

Screenshot of Titration

Titration

Measure the quantity of a known solution needed to neutralize an acid or base of unknown concentration. Use this information to calculate the unknown concentration. A variety of indicators can be used to show the pH of the solution. 5 Minute Preview


Lesson Info
Launch Gizmo

3.8: : Acid/Base Titrations (1)

3.8.3: : use instruments effectively and accurately for collecting titration data

Screenshot of Titration

Titration

Measure the quantity of a known solution needed to neutralize an acid or base of unknown concentration. Use this information to calculate the unknown concentration. A variety of indicators can be used to show the pH of the solution. 5 Minute Preview


Lesson Info
Launch Gizmo

3.8.4: : interpret patterns and trends in data, and infer or calculate relationships among variables from titration labs

Screenshot of Titration

Titration

Measure the quantity of a known solution needed to neutralize an acid or base of unknown concentration. Use this information to calculate the unknown concentration. A variety of indicators can be used to show the pH of the solution. 5 Minute Preview


Lesson Info
Launch Gizmo

3.8.6: : evaluate and select appropriate instruments for collecting evidence and appropriate processes for titrations

Screenshot of Titration

Titration

Measure the quantity of a known solution needed to neutralize an acid or base of unknown concentration. Use this information to calculate the unknown concentration. A variety of indicators can be used to show the pH of the solution. 5 Minute Preview


Lesson Info
Launch Gizmo

3.8.7: : select and use appropriate numeric, symbolic, graphical, and linguistic modes of representation to communicate ideas, titrations, and results

Screenshot of Titration

Titration

Measure the quantity of a known solution needed to neutralize an acid or base of unknown concentration. Use this information to calculate the unknown concentration. A variety of indicators can be used to show the pH of the solution. 5 Minute Preview


Lesson Info
Launch Gizmo

3.9: : Acid/Base Titrations (2)

3.9.1: : explain how acid-base indicators function

3.9.1.a: : differentiate between the terms endpoint and equivalence point

Screenshot of Titration

Titration

Measure the quantity of a known solution needed to neutralize an acid or base of unknown concentration. Use this information to calculate the unknown concentration. A variety of indicators can be used to show the pH of the solution. 5 Minute Preview


Lesson Info
Launch Gizmo

3.9.1.b: : choose appropriate indicators for acid-base titrations

Screenshot of Titration

Titration

Measure the quantity of a known solution needed to neutralize an acid or base of unknown concentration. Use this information to calculate the unknown concentration. A variety of indicators can be used to show the pH of the solution. 5 Minute Preview


Lesson Info
Launch Gizmo

3.9.2: : analyse and describe examples where acid-base understanding was enhanced as a result of using titration curves

3.9.2.a: : qualitatively sketch and interpret titration curves

Screenshot of Titration

Titration

Measure the quantity of a known solution needed to neutralize an acid or base of unknown concentration. Use this information to calculate the unknown concentration. A variety of indicators can be used to show the pH of the solution. 5 Minute Preview


Lesson Info
Launch Gizmo

3.10: : Acid/Base Titrations (3)

3.10.1: : identify a line/curve of best fit on a scatter plot and interpolate and extrapolate based on the line of best fit

3.10.1.a: : interpret, interpolate and extrapolate data from a titration curve

Screenshot of Titration

Titration

Measure the quantity of a known solution needed to neutralize an acid or base of unknown concentration. Use this information to calculate the unknown concentration. A variety of indicators can be used to show the pH of the solution. 5 Minute Preview


Lesson Info
Launch Gizmo

3.10.1.b: : graph sample data collected from a titration experiment or data provided by their teacher

Screenshot of Titration

Titration

Measure the quantity of a known solution needed to neutralize an acid or base of unknown concentration. Use this information to calculate the unknown concentration. A variety of indicators can be used to show the pH of the solution. 5 Minute Preview


Lesson Info
Launch Gizmo

3.10.2: : state a prediction and hypothesis based on available evidence and background information

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: : Organic Chemistry


4.8: : Applications of Organic Chemistry (2)

4.8.2: : evaluate the design of a technology and the way it functions, on the basis of a variety of criteria that they have identified themselves

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

4.9: : Writing and Balancing Chemical Equations

4.9.1: : write and balance chemical equations to predict the reactions of selected organic compounds .

4.9.1.a: : draw structural diagrams of all organic reactants and products involved in:

4.9.1.a.iv: : complete 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

4.10: : Polymerization

4.10.1: : describe processes of polymerization and identify some important natural and synthetic polymers

4.10.1.a: : define and outline the structures of monomers, polymers, and polymerization

Screenshot of Dehydration Synthesis

Dehydration Synthesis

Build a glucose molecule, atom-by-atom, to learn about chemical bonds and the structure of glucose. Explore the processes of dehydration synthesis and hydrolysis in carbohydrate molecules. 5 Minute Preview


Lesson Info
Launch Gizmo

4.10.1.b: : identify addition and condensation polymerization reactions

Screenshot of Dehydration Synthesis

Dehydration Synthesis

Build a glucose molecule, atom-by-atom, to learn about chemical bonds and the structure of glucose. Explore the processes of dehydration synthesis and hydrolysis in carbohydrate molecules. 5 Minute Preview


Lesson Info
Launch Gizmo

4.11: : Organic Experimentation

4.11.1: : design an experiment identifying and controlling major variables

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


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

4.12: : Risks and Benefits of Organic Compounds: STSE Perspectives (1)

4.12.1: : communicate questions ideas, and intentions, and receive, interpret, understand, support, and respond to the ideas of others

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

4.12.2: : describe and evaluate the design of technological solutions and the way they function using scientific principles

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

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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