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With over 500 online simulations, virtual labs, and interactive cases for math and science—there’s a Gizmo for just about everybody. Let’s find yours.
Natural Selection
5 Minute Preview
You are a bird hunting moths (both dark and light) that live on trees. As you capture the moths most easily visible against the tree surface, the moth populations change, illustrating the...
Lesson Info Launch GizmoEvolution: Natural and Artificial Selection
5 Minute Preview
Observe evolution in a fictional population of bugs. Set the background to any color, and see natural selection taking place. Compare the processes of natural and artificial selection....
Lesson Info Launch GizmoEvolution: Mutation and Selection
5 Minute Preview
Observe evolution in a fictional population of bugs. Set the background to any color, and see natural selection taking place. Inheritance of color occurs according to Mendel's laws and...
Lesson Info Launch GizmoRainfall and Bird Beaks
5 Minute Preview
Study the thickness of birds' beaks over a five-year period as you control the yearly rainfall on an isolated island. As the environmental conditions change, the species must adapt (a...
Lesson Info Launch GizmoHardy-Weinberg Equilibrium
5 Minute Preview
Set the initial percentages of three types of parrots in a population and track changes in genotype and allele frequency through several generations. Analyze population data to develop an...
Lesson Info Launch GizmoRainfall and Bird Beaks - Metric
5 Minute Preview
Study the thickness of birds' beaks over a five year period as you control the yearly rainfall on an isolated island. As the environmental conditions change, the species must adapt (a...
Lesson Info Launch GizmoEvolution
- Stem Case
Working as a CDC researcher, students investigate an outbreak of multi-drug resistant bacterial infections and determine how evolution was involved by tracing the source and cause of the...
Lesson InfoMicroevolution
5 Minute Preview
Observe the effect of predators on a population of parrots with three possible genotypes. The initial percentages and fitness levels of each genotype can be set. Determine how initial...
Lesson Info Launch GizmoEarthquake-Proof Homes
- New!
5 Minute Preview
Design a house to withstand an earthquake and protect the people living inside. Select a location in San Francisco, then choose the design and materials for a foundation, frame, walls, and...
Lesson Info Launch GizmoHuman Evolution - Skull Analysis
5 Minute Preview
Compare the skulls of a variety of significant human ancestors, or hominids. Use available tools to measure lengths, areas, and angles of important features. Each skull can be viewed from...
Lesson Info Launch GizmoCell Structure
- Updated!
5 Minute Preview
Select a sample cell from an animal, plant, or bacterium and view the cell under a microscope. Select each organelle on the image to learn more about its structure and function. Closeup...
Lesson Info Launch GizmoFood Chain
5 Minute Preview
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...
Lesson Info Launch GizmoOrder of Operations
- Free!
FREE with no time limit!
5 Minute Preview
Select and evaluate the operations in an expression following the correct order of operations.
Lesson Info Launch GizmoCell Energy Cycle
- Free!
FREE with no time limit!
5 Minute Preview
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...
Lesson Info Launch GizmoFlood and Storm-Proof Homes
- New!
5 Minute Preview
Build a home to survive a flood or a hurricane and protect the people inside. Choose materials and a design for the foundation, frame, walls, and roof of the house. Add "extras" such as...
Lesson Info Launch GizmoUsing Algebraic Equations
5 Minute Preview
Translate equations into English sentences and translate English sentences into equations. Read the equation or sentence and select word tiles or symbol tiles to form the corresponding...
Lesson Info Launch GizmoTranslating and Scaling Functions
5 Minute Preview
Vary the coefficients in the equation of a function and examine how the graph of the function is translated or scaled. Select different functions to translate and scale, and determine what...
Lesson Info Launch GizmoNitrogen Cycle
- Stem Case
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...
Lesson InfoHoliday Snowflake Designer
5 Minute Preview
Fold paper and cut in a certain way to make symmetrical snowflakes with six sides (similar to what can be found in nature) or with eight sides (an easier folding method). This simulation...
Lesson Info Launch GizmoNo Alien Left Behind (Division with Remainders)
5 Minute Preview
The alien school children from the planet Zigmo travel to distant planets on a field trip. The goal is to select a bus size so that all buses are full and no aliens are left behind. This...
Lesson Info Launch GizmoTrebuchet
5 Minute Preview
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...
Lesson Info Launch GizmoProbability Simulations
5 Minute Preview
Experiment with spinners and compare the experimental probability of particular outcomes to the theoretical probability. Select the number of spinners, the number of sections on a spinner,...
Lesson Info Launch GizmoUsing Algebraic Expressions
5 Minute Preview
Translate algebraic expressions into English phrases, and translate English phrases into algebraic expressions. Read the expression or phrase and select word tiles or symbol tiles to form...
Lesson Info Launch GizmoPermutations and Combinations
5 Minute Preview
Experiment with permutations and combinations of a number of letters represented by letter tiles selected at random from a box. Count the permutations and combinations using a dynamic tree...
Lesson Info Launch GizmoTheoretical and Experimental Probability
5 Minute Preview
Experiment with spinners and compare the experimental probability of a particular outcome to the theoretical probability. Select the number of spinners, the number of sections on a spinner,...
Lesson Info Launch GizmoLimiting Reactants
5 Minute Preview
Explore the concepts of limiting reactants, excess reactants, and theoretical yield in a chemical reaction. Select one of two different reactions, choose the number of molecules of each...
Lesson Info Launch GizmoStoichiometry
5 Minute Preview
Solve problems in chemistry using dimensional analysis. Select appropriate tiles so that units in the question are converted into units of the answer. Tiles can be flipped, and answers...
Lesson Info Launch GizmoCarbon Cycle
5 Minute Preview
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...
Lesson Info Launch GizmoMascot Election (Pictographs and Bar Graphs)
5 Minute Preview
A brand new school is opening and it is time to elect the school mascot! Students can choose the Eagle, Lion, Bear, or Wolf. Voting results can be displayed in a table, tally chart,...
Lesson Info Launch GizmoCell Types
5 Minute Preview
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...
Lesson Info Launch GizmoFast Plants® 2 - Mystery Parent
- Free!
- New!
FREE with no time limit!
5 Minute Preview
In this follow-up to Fast Plants® 1 - Growth and Genetics, continue to explore inheritance of traits in Wisconsin Fast Plants. Infer the genotype of a "mystery P2 parent" of a set of Fast...
Lesson Info Launch GizmoRock Cycle
5 Minute Preview
Play the role of a piece of rock moving through the rock cycle. Select a starting location and follow many possible paths throughout the cycle. Learn how rocks are formed, weathered,...
Lesson Info Launch GizmoTime Estimation
5 Minute Preview
Try to estimate the passage of time by selecting a time interval, clicking the Start button, and clicking Stop when you think the interval has passed. The estimate and percent error are...
Lesson Info Launch GizmoIonic Bonds
5 Minute Preview
Simulate ionic bonds between a variety of metals and nonmetals. Select a metal and a nonmetal atom, and transfer electrons from one to the other. Observe the effect of gaining and losing...
Lesson Info Launch GizmoForce and Fan Carts
5 Minute Preview
Explore the laws of motion using a simple fan cart. Use the buttons to select the speed of the fan and the surface, and press Play to begin. You can drag up to three objects onto the fan...
Lesson Info Launch GizmoOrder of Operations
- Free!
FREE with no time limit!
5 Minute Preview
Select and evaluate the operations in an expression following the correct order of operations.
Lesson Info Launch GizmoCell Energy Cycle
- Free!
FREE with no time limit!
5 Minute Preview
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...
Lesson Info Launch GizmoFast Plants® 2 - Mystery Parent
- Free!
- New!
FREE with no time limit!
5 Minute Preview
In this follow-up to Fast Plants® 1 - Growth and Genetics, continue to explore inheritance of traits in Wisconsin Fast Plants. Infer the genotype of a "mystery P2 parent" of a set of Fast...
Lesson Info Launch GizmoEvolution
- Stem Case
Video Preview
Working as a CDC researcher, students investigate an outbreak of multi-drug resistant bacterial infections and determine how evolution was involved by tracing the source and cause of the...
Lesson InfoNitrogen Cycle
- Stem Case
Video Preview
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...
Lesson InfoNatural Selection
5 Minute Preview
You are a bird hunting moths (both dark and light) that live on trees. As you capture the moths most easily visible against the tree surface, the moth populations change, illustrating the effects of natural selection.
Lesson Info Launch GizmoEvolution: Natural and Artificial Selection
5 Minute Preview
Observe evolution in a fictional population of bugs. Set the background to any color, and see natural selection taking place. Compare the processes of natural and artificial selection. Manipulate the mutation rate, and determine how mutation rate affects adaptation and evolution.
Lesson Info Launch GizmoEvolution: Mutation and Selection
5 Minute Preview
Observe evolution in a fictional population of bugs. Set the background to any color, and see natural selection taking place. Inheritance of color occurs according to Mendel's laws and probability. Mutations occur at random, and probability of capture by predators is determined by the insect's camouflage.
Lesson Info Launch GizmoRainfall and Bird Beaks
5 Minute Preview
Study the thickness of birds' beaks over a five-year period as you control the yearly rainfall on an isolated island. As the environmental conditions change, the species must adapt (a real-world consequence) to avoid extinction.
Lesson Info Launch GizmoHardy-Weinberg Equilibrium
5 Minute Preview
Set the initial percentages of three types of parrots in a population and track changes in genotype and allele frequency through several generations. Analyze population data to develop an understanding of the Hardy-Weinberg equilibrium. Determine how initial allele percentages will affect the equilibrium state of the population.
Lesson Info Launch GizmoRainfall and Bird Beaks - Metric
5 Minute Preview
Study the thickness of birds' beaks over a five year period as you control the yearly rainfall on an isolated island. As the environmental conditions change, the species must adapt (a real-world consequence) to avoid extinction.
Lesson Info Launch GizmoEvolution
- Stem Case
Video Preview
Working as a CDC researcher, students investigate an outbreak of multi-drug resistant bacterial infections and determine how evolution was involved by tracing the source and cause of the outbreak.
Lesson InfoMicroevolution
5 Minute Preview
Observe the effect of predators on a population of parrots with three possible genotypes. The initial percentages and fitness levels of each genotype can be set. Determine how initial fitness levels affect genotype and allele frequencies through several generations. Compare scenarios in which a dominant allele is deleterious, a recessive allele is deleterious, and the heterozygous individual is fittest.
Lesson Info Launch GizmoEarthquake-Proof Homes
- New!
5 Minute Preview
Design a house to withstand an earthquake and protect the people living inside. Select a location in San Francisco, then choose the design and materials for a foundation, frame, walls, and roof. Decide which extras to add to your home design. Test each house in an earthquake and assess the damages. Try to arrive at a house design that results in the least damage.
Lesson Info Launch GizmoHuman Evolution - Skull Analysis
5 Minute Preview
Compare the skulls of a variety of significant human ancestors, or hominids. Use available tools to measure lengths, areas, and angles of important features. Each skull can be viewed from the front, side, or from below. Additional information regarding the age, location, and discoverer of each skull can be displayed.
Lesson Info Launch GizmoCell Structure
- Updated!
5 Minute Preview
Select a sample cell from an animal, plant, or bacterium and view the cell under a microscope. Select each organelle on the image to learn more about its structure and function. Closeup views and animations of certain organelles is provided.
Lesson Info Launch GizmoFood Chain
5 Minute Preview
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.
Lesson Info Launch GizmoOrder of Operations
- Free!
FREE with no time limit!
5 Minute Preview
Select and evaluate the operations in an expression following the correct order of operations.
Lesson Info Launch GizmoCell Energy Cycle
- Free!
FREE with no time limit!
5 Minute Preview
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.
Lesson Info Launch GizmoFlood and Storm-Proof Homes
- New!
5 Minute Preview
Build a home to survive a flood or a hurricane and protect the people inside. Choose materials and a design for the foundation, frame, walls, and roof of the house. Add "extras" such as sand bags, storm shutters, and roof clips. Test your house in a flood or storm and see how well your design worked.
Lesson Info Launch GizmoUsing Algebraic Equations
5 Minute Preview
Translate equations into English sentences and translate English sentences into equations. Read the equation or sentence and select word tiles or symbol tiles to form the corresponding sentence or equation.
Lesson Info Launch GizmoTranslating and Scaling Functions
5 Minute Preview
Vary the coefficients in the equation of a function and examine how the graph of the function is translated or scaled. Select different functions to translate and scale, and determine what they have in common.
Lesson Info Launch GizmoNitrogen Cycle
- Stem Case
Video Preview
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.
Lesson InfoHoliday Snowflake Designer
5 Minute Preview
Fold paper and cut in a certain way to make symmetrical snowflakes with six sides (similar to what can be found in nature) or with eight sides (an easier folding method). This simulation allows you to cut virtual paper on the computer screen with round dot or square dot "scissors" of various sizes before using physical paper.
Lesson Info Launch GizmoNo Alien Left Behind (Division with Remainders)
5 Minute Preview
The alien school children from the planet Zigmo travel to distant planets on a field trip. The goal is to select a bus size so that all buses are full and no aliens are left behind. This is a nice illustration of division with remainders.
Lesson Info Launch GizmoTrebuchet
5 Minute Preview
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.
Lesson Info Launch GizmoProbability Simulations
5 Minute Preview
Experiment with spinners and compare the experimental probability of particular outcomes to the theoretical probability. Select the number of spinners, the number of sections on a spinner, and a favorable outcome of a spin. Then tally the number of favorable outcomes.
Lesson Info Launch GizmoUsing Algebraic Expressions
5 Minute Preview
Translate algebraic expressions into English phrases, and translate English phrases into algebraic expressions. Read the expression or phrase and select word tiles or symbol tiles to form the corresponding phrase or expression.
Lesson Info Launch GizmoPermutations and Combinations
5 Minute Preview
Experiment with permutations and combinations of a number of letters represented by letter tiles selected at random from a box. Count the permutations and combinations using a dynamic tree diagram, a dynamic list of permutations, and a dynamic computation by the counting principle.
Lesson Info Launch GizmoTheoretical and Experimental Probability
5 Minute Preview
Experiment with spinners and compare the experimental probability of a particular outcome to the theoretical probability. Select the number of spinners, the number of sections on a spinner, and a favorable outcome of a spin. Then tally the number of favorable outcomes.
Lesson Info Launch GizmoLimiting Reactants
5 Minute Preview
Explore the concepts of limiting reactants, excess reactants, and theoretical yield in a chemical reaction. Select one of two different reactions, choose the number of molecules of each reactant, and then observe the products created and the reactants left over.
Lesson Info Launch GizmoStoichiometry
5 Minute Preview
Solve problems in chemistry using dimensional analysis. Select appropriate tiles so that units in the question are converted into units of the answer. Tiles can be flipped, and answers can be calculated once the appropriate unit conversions have been applied.
Lesson Info Launch GizmoCarbon Cycle
5 Minute Preview
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.
Lesson Info Launch GizmoMascot Election (Pictographs and Bar Graphs)
5 Minute Preview
A brand new school is opening and it is time to elect the school mascot! Students can choose the Eagle, Lion, Bear, or Wolf. Voting results can be displayed in a table, tally chart, pictograph, bar graph, circle graph, or dot plot. You can change student votes by selecting a group of students and clicking a mascot.
Lesson Info Launch GizmoCell Types
5 Minute Preview
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.
Lesson Info Launch GizmoFast Plants® 2 - Mystery Parent
- Free!
- New!
FREE with no time limit!
5 Minute Preview
In this follow-up to Fast Plants® 1 - Growth and Genetics, continue to explore inheritance of traits in Wisconsin Fast Plants. Infer the genotype of a "mystery P2 parent" of a set of Fast Plants based on the traits of the P1, F1, and F2 plants. Then create designer Fast Plants by selectively breeding plants with desired traits.
Lesson Info Launch GizmoRock Cycle
5 Minute Preview
Play the role of a piece of rock moving through the rock cycle. Select a starting location and follow many possible paths throughout the cycle. Learn how rocks are formed, weathered, eroded, and reformed as they move from Earth's surface to locations deep within the crust.
Lesson Info Launch GizmoTime Estimation
5 Minute Preview
Try to estimate the passage of time by selecting a time interval, clicking the Start button, and clicking Stop when you think the interval has passed. The estimate and percent error are recorded. Compare different techniques for estimating time, as well as the average error for long time intervals versus shorter intervals.
Lesson Info Launch GizmoIonic Bonds
5 Minute Preview
Simulate ionic bonds between a variety of metals and nonmetals. Select a metal and a nonmetal atom, and transfer electrons from one to the other. Observe the effect of gaining and losing electrons on charge, and rearrange the atoms to represent the molecular structure. Additional metal and nonmetal atoms can be added to the screen, and the resulting chemical formula can be displayed.
Lesson Info Launch GizmoForce and Fan Carts
5 Minute Preview
Explore the laws of motion using a simple fan cart. Use the buttons to select the speed of the fan and the surface, and press Play to begin. You can drag up to three objects onto the fan cart. The speed of the cart is displayed with a speedometer and recorded in a table and a graph.
Lesson Info Launch GizmoOrder of Operations
- Free!
FREE with no time limit!
5 Minute Preview
Select and evaluate the operations in an expression following the correct order of operations.
Lesson Info Launch GizmoCell Energy Cycle
- Free!
FREE with no time limit!
5 Minute Preview
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.
Lesson Info Launch GizmoFast Plants® 2 - Mystery Parent
- Free!
- New!
FREE with no time limit!
5 Minute Preview
In this follow-up to Fast Plants® 1 - Growth and Genetics, continue to explore inheritance of traits in Wisconsin Fast Plants. Infer the genotype of a "mystery P2 parent" of a set of Fast Plants based on the traits of the P1, F1, and F2 plants. Then create designer Fast Plants by selectively breeding plants with desired traits.
Lesson Info Launch GizmoEvolution
- Stem Case
Video Preview
Working as a CDC researcher, students investigate an outbreak of multi-drug resistant bacterial infections and determine how evolution was involved by tracing the source and cause of the outbreak.
Lesson InfoNitrogen Cycle
- Stem Case
Video Preview
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.
Lesson InfoFind Your Solution
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