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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.
Stem-and-Leaf Plots
5 Minute Preview
Build a data set and compare the line plot of the data set to the stem-and-leaf plot.
Lesson Info Launch GizmoBox-and-Whisker Plots
5 Minute Preview
Construct a box-and-whisker plot to match a line plots, and construct a line plot to match a box-and-whisker plots. Manipulate the line plot and examine how the box-and-whisker plot...
Lesson Info Launch GizmoTrends in Scatter Plots
5 Minute Preview
Examine the scatter plot for a random data set with negative or positive correlation. Vary the correlation and explore how correlation is reflected in the scatter plot and the trend line.
Lesson Info Launch GizmoGrowing Plants
- Updated!
5 Minute Preview
Investigate the growth of three common garden plants: tomatoes, beans, and turnips. You can change the amount of light each plant gets, the amount of water added each day, and the type of...
Lesson Info Launch GizmoFast Plants® 1 - Growth and Genetics
- Free!
- New!
FREE with no time limit!
5 Minute Preview
Grow Wisconsin Fast Plants® in a simulated lab environment. Explore the life cycles of these plants and how their growth is influenced by light, water, and crowding. Practice pollinating...
Lesson Info Launch GizmoSolving Using Trend Lines
5 Minute Preview
Examine the scatter plots for data related to weather at different latitudes. The Gizmo includes three different data sets, one with negative correlation, one positive, and one with no...
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 GizmoGraphing Skills
5 Minute Preview
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...
Lesson Info Launch GizmoReaction Time 2 (Graphs and Statistics)
5 Minute Preview
Test your reaction time by catching a falling ruler or clicking a target. Create a data set of experiment results, and calculate the range, mode, median, and mean of your data. Data can be...
Lesson Info Launch GizmoReaction Time 1 (Graphs and Statistics)
5 Minute Preview
Test your reaction time by catching a falling ruler or clicking a target. Create a data set of experiment results, and calculate the range, mode, median, and mean of your data. Data can be...
Lesson Info Launch GizmoFlower Pollination
5 Minute Preview
Observe the steps of pollination and fertilization in flowering plants. Help with many parts of the process by dragging pollen grains to the stigma, dragging sperm to the ovules, and...
Lesson Info Launch GizmoDescribing Data Using Statistics
5 Minute Preview
Investigate the mean, median, mode, and range of a data set through its graph. Manipulate the data and watch how the mean, median, mode, and range change (or, in some cases, how they don't...
Lesson Info Launch GizmoHistograms
5 Minute Preview
Change the values in a data set and examine how the dynamic histogram changes in response. Adjust the interval size of the histogram and see how the shape of the histogram is affected.
Lesson Info Launch GizmoBeat the Heat: Tackling Urban Heat Islands Using the Science of Energy
- Stem Case
Lake City's latest heat wave has more people in the hospital than ever before. Juan, a local student admitted to the hospital, lives in one of the hottest neighborhoods in the city....
Lesson InfoPollination: Flower to Fruit
5 Minute Preview
Label a diagram that illustrates the anatomy of a flower, and understand the function of each structure. Compare the processes of self pollination and cross pollination, and explore how...
Lesson Info Launch GizmoGermination
5 Minute Preview
Plant seeds and watch how many sprout. Examine what factors affect germination. Vary the amount of heat, water, and light the seeds get. Practice designing controlled experiments and using...
Lesson Info Launch GizmoLeast-Squares Best Fit Lines
5 Minute Preview
Fit a line to the data in a scatter plot using your own judgment. Then compare the least squares line of best fit.
Lesson Info Launch GizmoDichotomous Keys
5 Minute Preview
Use dichotomous keys to identify and classify five types of organisms: California albatrosses, Canadian Rockies buttercups, Texas venomous snakes, Virginia evergreens, and Florida...
Lesson Info Launch GizmoCorrelation
5 Minute Preview
Explore the relationship between the correlation coefficient of a data set and its graph. Fit a line to the data and compare the least-squares fit line.
Lesson Info Launch GizmoMean, Median, and Mode
- Free!
FREE with no time limit!
5 Minute Preview
Build a data set and find the mean, median, and mode. Explore the mean, median, and mode illustrated as frogs on a seesaw, frogs on a scale, and as frogs stacked under a bar of variable...
Lesson Info Launch GizmoIsotopes
- Free!
- New!
FREE with no time limit!
5 Minute Preview
Explore what isotopes are by adding protons and neutrons to the nucleus of an atom. Plot both stable and radioactive isotopes on a graph of neutrons vs. protons, and explore how the...
Lesson Info Launch GizmoH-R Diagram
5 Minute Preview
A collection of stars visible from Earth can be arranged and classified based on their color, temperature, luminosity, radius, and mass. This can be done using one or two-dimensional...
Lesson Info Launch GizmoFunction Machines 2 (Functions, Tables, and Graphs)
5 Minute Preview
Drop a number into a function machine, and see what number comes out! You can use one of the six pre-set function machines, or program your own function rule into one of the blank machines....
Lesson Info Launch GizmoOcean Mapping
5 Minute Preview
Use a sonar on a boat to remotely measure the depth of an ocean at various locations. Describe multiple points on the ocean floor using their latitude, longitude, and depth. View maps of...
Lesson Info Launch GizmoReal-Time Histogram
5 Minute Preview
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...
Lesson Info Launch GizmoTreasure Hunter (Decimals on the Number Line)
5 Minute Preview
Drive a desert highway searching for buried treasure. Learn to use the car's tens, ones, tenths, and hundredths gears, along with a GPS system (number line), to find the right place to dig....
Lesson Info Launch GizmoCity Tour (Coordinates)
- Free!
FREE with no time limit!
5 Minute Preview
Go sightseeing in fictional cities all over the world. Learn about coordinates on a graph by navigating around these cities on a grid-like city map. Some landmarks are shown on the map. For...
Lesson Info Launch GizmoBig Bang Theory - Hubble's Law
5 Minute Preview
Follow in the footsteps of Edwin Hubble to discover evidence supporting the Big Bang Theory. First, observe Cepheid variable stars in different galaxies to determine their distances. Then,...
Lesson Info Launch GizmoOrbital Motion - Kepler's Laws
5 Minute Preview
Learn Kepler's three laws of planetary motion by examining the orbit of a planet around a star. The initial position, velocity, and mass of the planet can be varied as well as the mass of...
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 InfoOcean Carbon Equilibrium
- Stem Case
Mussel farmers in the Arctic Ocean have reported problems with their mussels. They have noticed that the mussel shells have eroded and become brittle. Students take on the role of a marine...
Lesson InfoHeredity and Traits
- Free!
- Stem Case
FREE with no time limit!
Video PreviewAs a bee scientist, students help a honey farm that has low honey production due to wasps. Students learn about bees, heredity and traits to determine which traits will help the bees defend...
Lesson InfoHydrologic Cycle
- Stem Case
Paanee, a city in Northeast India, has been experiencing higher rates of flooding than normal. This surge in flooding has been caused by an increase in the hydrologic cycle’s activity....
Lesson InfoSmelling in the Rain: Designing Solutions to Improve Air Quality
- Free!
- Stem Case
FREE with no time limit!
Video PreviewA respiratory physiologist is concerned about the number of asthma attacks in children within her community. On certain days, the number is higher than the respiratory physiologist might...
Lesson InfoSound Off, Please!: Designing Solutions to Reduce Noise Pollution
- Stem Case
As an acoustic engineer, students will work with an urban planner to learn how noise pollution impacts a community. Students will develop a system model to test design solutions. Wave...
Lesson InfoProtecting Permafrost: Heat Transfer Highway
- Stem Case
Thawing permafrost threatens the stability of critical infrastructure in the Arctic community of Frostville, Alaska. Students take on the role of a civil engineer to design heat transfer...
Lesson InfoEnzymes
- Stem Case
As a veterinary technician, students learn about enzymes to help a dog that has been eating normally but is losing a lot of weight.
Lesson InfoMeowsis
- Stem Case
As a geneticist in an animal hospital, students learn about genetic changes in meiosis to determine the reason why a male cat can have calico fur coloring.
Lesson InfoPhotosynthesis
- Stem Case
As a marine biologist students learn about photosynthesis to help scientists in Australia determine why the coral in the Great Barrier Reef is bleaching.
Lesson InfoCell Respiration
- Stem Case
As a medical toxicologist, students learn about cell respiration to save the life of a CIA agent that has been poisoned.
Lesson InfoAnimal Group Behavior
- Stem Case
A farmer in Africa is having problems with elephants eating her corn and cotton crops. As a wildlife biologist, students learn about animal group behavior and relationships of elephants and...
Lesson InfoWater Contamination
- Stem Case
There has been an outbreak of legionnaires’ disease in a small town. This disease is caused by legionella bacteria that proliferate in contaminated water supplies. Students take on the role...
Lesson InfoTrebuchet
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 GizmoFeel the Heat
- New!
5 Minute Preview
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...
Lesson Info Launch GizmoProgrammable Rover
- New!
5 Minute Preview
In this introduction to coding, program a rover to explore the surface of Mars. Start by using tiles to create simple programs involving moving forward or backward, turns, jumps, loops, and...
Lesson Info Launch GizmoEcosystems
- Stem Case
As a national park ranger, students must restore the ecosystem of a park back to normal. They interact with populations of many organisms including wolves, deer and bees. Students learn the...
Lesson InfoNitrogen 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 InfoOsmosis
- Stem Case
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...
Lesson InfoDiffusion
- Stem Case
As a physician assistant, students must learn about diffusion to save the life of a person poisoned by chlorine gas that was released into a small town following a train crash.
Lesson InfoProtein Synthesis
- Stem Case
As a pediatrician, students learn about genes and protein synthesis to try to help a baby girl named Lucy who has an immunodeficiency disease.
Lesson InfoFruit Production
- Stem Case
As an agricultural scientist, students help a strawberry farmer who is having problems with low fruit production. Students learn about the factors involved in fruit production including...
Lesson InfoCity Tour (Coordinates)
- Free!
FREE with no time limit!
5 Minute Preview
Go sightseeing in fictional cities all over the world. Learn about coordinates on a graph by navigating around these cities on a grid-like city map. Some landmarks are shown on the map. For...
Lesson Info Launch GizmoHeredity and Traits
- Free!
- Stem Case
FREE with no time limit!
Video PreviewAs a bee scientist, students help a honey farm that has low honey production due to wasps. Students learn about bees, heredity and traits to determine which traits will help the bees defend...
Lesson InfoMean, Median, and Mode
- Free!
FREE with no time limit!
5 Minute Preview
Build a data set and find the mean, median, and mode. Explore the mean, median, and mode illustrated as frogs on a seesaw, frogs on a scale, and as frogs stacked under a bar of variable...
Lesson Info Launch GizmoFast Plants® 1 - Growth and Genetics
- Free!
- New!
FREE with no time limit!
5 Minute Preview
Grow Wisconsin Fast Plants® in a simulated lab environment. Explore the life cycles of these plants and how their growth is influenced by light, water, and crowding. Practice pollinating...
Lesson Info Launch GizmoSmelling in the Rain: Designing Solutions to Improve Air Quality
- Free!
- Stem Case
FREE with no time limit!
Video PreviewA respiratory physiologist is concerned about the number of asthma attacks in children within her community. On certain days, the number is higher than the respiratory physiologist might...
Lesson InfoIsotopes
- Free!
- New!
FREE with no time limit!
5 Minute Preview
Explore what isotopes are by adding protons and neutrons to the nucleus of an atom. Plot both stable and radioactive isotopes on a graph of neutrons vs. protons, and explore how the...
Lesson Info Launch GizmoBeat the Heat: Tackling Urban Heat Islands Using the Science of Energy
- Stem Case
Video Preview
Lake City's latest heat wave has more people in the hospital than ever before. Juan, a local student admitted to the hospital, lives in one of the hottest neighborhoods in the city....
Lesson InfoEvolution
- 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 InfoOcean Carbon Equilibrium
- Stem Case
Video Preview
Mussel farmers in the Arctic Ocean have reported problems with their mussels. They have noticed that the mussel shells have eroded and become brittle. Students take on the role of a marine...
Lesson InfoHeredity and Traits
- Free!
- Stem Case
FREE with no time limit!
Video Preview
As a bee scientist, students help a honey farm that has low honey production due to wasps. Students learn about bees, heredity and traits to determine which traits will help the bees defend...
Lesson InfoHydrologic Cycle
- Stem Case
Video Preview
Paanee, a city in Northeast India, has been experiencing higher rates of flooding than normal. This surge in flooding has been caused by an increase in the hydrologic cycle’s activity....
Lesson InfoSmelling in the Rain: Designing Solutions to Improve Air Quality
- Free!
- Stem Case
FREE with no time limit!
Video Preview
A respiratory physiologist is concerned about the number of asthma attacks in children within her community. On certain days, the number is higher than the respiratory physiologist might...
Lesson InfoSound Off, Please!: Designing Solutions to Reduce Noise Pollution
- Stem Case
Video Preview
As an acoustic engineer, students will work with an urban planner to learn how noise pollution impacts a community. Students will develop a system model to test design solutions. Wave...
Lesson InfoProtecting Permafrost: Heat Transfer Highway
- Stem Case
Video Preview
Thawing permafrost threatens the stability of critical infrastructure in the Arctic community of Frostville, Alaska. Students take on the role of a civil engineer to design heat transfer...
Lesson InfoEnzymes
- Stem Case
Video Preview
As a veterinary technician, students learn about enzymes to help a dog that has been eating normally but is losing a lot of weight.
Lesson InfoMeowsis
- Stem Case
Video Preview
As a geneticist in an animal hospital, students learn about genetic changes in meiosis to determine the reason why a male cat can have calico fur coloring.
Lesson InfoPhotosynthesis
- Stem Case
Video Preview
As a marine biologist students learn about photosynthesis to help scientists in Australia determine why the coral in the Great Barrier Reef is bleaching.
Lesson InfoCell Respiration
- Stem Case
Video Preview
As a medical toxicologist, students learn about cell respiration to save the life of a CIA agent that has been poisoned.
Lesson InfoAnimal Group Behavior
- Stem Case
Video Preview
A farmer in Africa is having problems with elephants eating her corn and cotton crops. As a wildlife biologist, students learn about animal group behavior and relationships of elephants and...
Lesson InfoWater Contamination
- Stem Case
Video Preview
There has been an outbreak of legionnaires’ disease in a small town. This disease is caused by legionella bacteria that proliferate in contaminated water supplies. Students take on the role...
Lesson InfoEcosystems
- Stem Case
Video Preview
As a national park ranger, students must restore the ecosystem of a park back to normal. They interact with populations of many organisms including wolves, deer and bees. Students learn 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 InfoOsmosis
- Stem Case
Video Preview
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...
Lesson InfoDiffusion
- Stem Case
Video Preview
As a physician assistant, students must learn about diffusion to save the life of a person poisoned by chlorine gas that was released into a small town following a train crash.
Lesson InfoProtein Synthesis
- Stem Case
Video Preview
As a pediatrician, students learn about genes and protein synthesis to try to help a baby girl named Lucy who has an immunodeficiency disease.
Lesson InfoFruit Production and the Environment
- Stem Case
Video Preview
As an agricultural scientist, students help a strawberry farmer who is having problems with low fruit production. Students learn about the factors involved in fruit production including...
Lesson InfoStem-and-Leaf Plots
5 Minute Preview
Build a data set and compare the line plot of the data set to the stem-and-leaf plot.
Lesson Info Launch GizmoBox-and-Whisker Plots
5 Minute Preview
Construct a box-and-whisker plot to match a line plots, and construct a line plot to match a box-and-whisker plots. Manipulate the line plot and examine how the box-and-whisker plot changes. Then manipulate the box-and-whisker plot and examine how the line plot changes.
Lesson Info Launch GizmoTrends in Scatter Plots
5 Minute Preview
Examine the scatter plot for a random data set with negative or positive correlation. Vary the correlation and explore how correlation is reflected in the scatter plot and the trend line.
Lesson Info Launch GizmoGrowing Plants
- Updated!
5 Minute Preview
Investigate the growth of three common garden plants: tomatoes, beans, and turnips. You can change the amount of light each plant gets, the amount of water added each day, and the type of soil the seed is planted in. Observe the effect of each variable on plant height, plant mass, leaf color and leaf size. Determine what conditions produce the tallest and healthiest plants. Height and mass data are displayed on tables and graphs.
Lesson Info Launch GizmoFast Plants® 1 - Growth and Genetics
- Free!
- New!
FREE with no time limit!
5 Minute Preview
Grow Wisconsin Fast Plants® in a simulated lab environment. Explore the life cycles of these plants and how their growth is influenced by light, water, and crowding. Practice pollinating the plants using bee sticks, then observe the traits of the offspring plants. Use Punnett squares to model the inheritance of genes for stem color and leaf color for these plants.
Lesson Info Launch GizmoSolving Using Trend Lines
5 Minute Preview
Examine the scatter plots for data related to weather at different latitudes. The Gizmo includes three different data sets, one with negative correlation, one positive, and one with no correlation. Compare the least squares best-fit line.
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 GizmoGraphing Skills
5 Minute Preview
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.
Lesson Info Launch GizmoReaction Time 2 (Graphs and Statistics)
5 Minute Preview
Test your reaction time by catching a falling ruler or clicking a target. Create a data set of experiment results, and calculate the range, mode, median, and mean of your data. Data can be displayed on a list, table, bar graph or dot plot. The Reaction Time 2 Student Exploration focuses on mean.
Lesson Info Launch GizmoReaction Time 1 (Graphs and Statistics)
5 Minute Preview
Test your reaction time by catching a falling ruler or clicking a target. Create a data set of experiment results, and calculate the range, mode, median, and mean of your data. Data can be displayed on a list, table, bar graph or dot plot. The Reaction Time 1 Student Exploration focuses on range, mode, and median.
Lesson Info Launch GizmoFlower Pollination
5 Minute Preview
Observe the steps of pollination and fertilization in flowering plants. Help with many parts of the process by dragging pollen grains to the stigma, dragging sperm to the ovules, and removing petals as the fruit begins to grow. Quiz yourself when you are done by dragging vocabulary words to the correct plant structure.
Lesson Info Launch GizmoDescribing Data Using Statistics
5 Minute Preview
Investigate the mean, median, mode, and range of a data set through its graph. Manipulate the data and watch how the mean, median, mode, and range change (or, in some cases, how they don't change).
Lesson Info Launch GizmoHistograms
5 Minute Preview
Change the values in a data set and examine how the dynamic histogram changes in response. Adjust the interval size of the histogram and see how the shape of the histogram is affected.
Lesson Info Launch GizmoBeat the Heat: Tackling Urban Heat Islands Using the Science of Energy
- Stem Case
Video Preview
Lake City's latest heat wave has more people in the hospital than ever before. Juan, a local student admitted to the hospital, lives in one of the hottest neighborhoods in the city. Students are hired as the city's Chief Heat Officer to investigate and solve the problem. As the Chief Heat Officer, students look at land uses, surface air temperatures, and building materials across Lake City. Students will develop a system model to test several design solutions and give the mayor a proposal to beat the heat.
Lesson InfoPollination: Flower to Fruit
5 Minute Preview
Label a diagram that illustrates the anatomy of a flower, and understand the function of each structure. Compare the processes of self pollination and cross pollination, and explore how fertilization takes place in a flowering plant.
Lesson Info Launch GizmoGermination
5 Minute Preview
Plant seeds and watch how many sprout. Examine what factors affect germination. Vary the amount of heat, water, and light the seeds get. Practice designing controlled experiments and using the scientific method.
Lesson Info Launch GizmoLeast-Squares Best Fit Lines
5 Minute Preview
Fit a line to the data in a scatter plot using your own judgment. Then compare the least squares line of best fit.
Lesson Info Launch GizmoDichotomous Keys
5 Minute Preview
Use dichotomous keys to identify and classify five types of organisms: California albatrosses, Canadian Rockies buttercups, Texas venomous snakes, Virginia evergreens, and Florida cartilagenous fishes. After you have classified every organism, try making your own dichotomous key!
Lesson Info Launch GizmoCorrelation
5 Minute Preview
Explore the relationship between the correlation coefficient of a data set and its graph. Fit a line to the data and compare the least-squares fit line.
Lesson Info Launch GizmoMean, Median, and Mode
- Free!
FREE with no time limit!
5 Minute Preview
Build a data set and find the mean, median, and mode. Explore the mean, median, and mode illustrated as frogs on a seesaw, frogs on a scale, and as frogs stacked under a bar of variable height.
Lesson Info Launch GizmoIsotopes
- Free!
- New!
FREE with no time limit!
5 Minute Preview
Explore what isotopes are by adding protons and neutrons to the nucleus of an atom. Plot both stable and radioactive isotopes on a graph of neutrons vs. protons, and explore how the neutron:proton ratio of stable isotopes changes from lighter to heavier elements.
Lesson Info Launch GizmoH-R Diagram
5 Minute Preview
A collection of stars visible from Earth can be arranged and classified based on their color, temperature, luminosity, radius, and mass. This can be done using one or two-dimensional plots, including a Hertzsprung-Russell diagram of luminosity vs. temperature.
Lesson Info Launch GizmoFunction Machines 2 (Functions, Tables, and Graphs)
5 Minute Preview
Drop a number into a function machine, and see what number comes out! You can use one of the six pre-set function machines, or program your own function rule into one of the blank machines. Stack up to three function machines together. Input and output can be recorded in a table and on a graph.
Lesson Info Launch GizmoOcean Mapping
5 Minute Preview
Use a sonar on a boat to remotely measure the depth of an ocean at various locations. Describe multiple points on the ocean floor using their latitude, longitude, and depth. View maps of ocean depth in two and three dimensions, and use these maps to plot a safe route for ships to follow.
Lesson Info Launch GizmoReal-Time Histogram
5 Minute Preview
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.
Lesson Info Launch GizmoTreasure Hunter (Decimals on the Number Line)
5 Minute Preview
Drive a desert highway searching for buried treasure. Learn to use the car's tens, ones, tenths, and hundredths gears, along with a GPS system (number line), to find the right place to dig. Plot your findings on a zoomable number line map. Can you become a master Treasure Hunter?
Lesson Info Launch GizmoCity Tour (Coordinates)
- Free!
FREE with no time limit!
5 Minute Preview
Go sightseeing in fictional cities all over the world. Learn about coordinates on a graph by navigating around these cities on a grid-like city map. Some landmarks are shown on the map. For others, you are only given the coordinates. Can you find all of them?
Lesson Info Launch GizmoBig Bang Theory - Hubble's Law
5 Minute Preview
Follow in the footsteps of Edwin Hubble to discover evidence supporting the Big Bang Theory. First, observe Cepheid variable stars in different galaxies to determine their distances. Then, measure the redshift from these galaxies to determine their recessional velocity. Create a scatterplot of velocity vs. distance and relate this to an expanding universe.
Lesson Info Launch GizmoOrbital Motion - Kepler's Laws
5 Minute Preview
Learn Kepler's three laws of planetary motion by examining the orbit of a planet around a star. The initial position, velocity, and mass of the planet can be varied as well as the mass of the star. The foci and centers of orbits can be displayed and compared to the location of the star. The area swept out by the planet in a given time period can be measured, and data on orbital radii and periods can be plotted in several ways.
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 InfoOcean Carbon Equilibrium
- Stem Case
Video Preview
Mussel farmers in the Arctic Ocean have reported problems with their mussels. They have noticed that the mussel shells have eroded and become brittle. Students take on the role of a marine chemist to analyze the changes to ocean carbon chemistry and equilibrium to determine the cause of the mussel shell erosion.
Lesson InfoHeredity and Traits
- Free!
- Stem Case
FREE with no time limit!
Video Preview
As a bee scientist, students help a honey farm that has low honey production due to wasps. Students learn about bees, heredity and traits to determine which traits will help the bees defend their hives against the wasps. They then pick a new queen bee to pass on these traits to the bee colony.
Lesson InfoHydrologic Cycle
- Stem Case
Video Preview
Paanee, a city in Northeast India, has been experiencing higher rates of flooding than normal. This surge in flooding has been caused by an increase in the hydrologic cycle’s activity. Students take on the role of a hydrologist to investigate why the hydrologic cycle’s rate has increased and what can be done to manage flooding and reduce flooding.
Lesson InfoSmelling in the Rain: Designing Solutions to Improve Air Quality
- Free!
- Stem Case
FREE with no time limit!
Video Preview
A respiratory physiologist is concerned about the number of asthma attacks in children within her community. On certain days, the number is higher than the respiratory physiologist might expect. She thinks something in the environment is causing more rescue inhaler use on those days. As an air quality engineer, students will work collaboratively with a respiratory physiologist to learn how some air pollutants are released directly from sources while others are formed through chemical reactions. Students will develop a system model to test design solutions to recommend a plan to help decrease air pollution in a community with a record number of asthma cases in children.
Lesson InfoSound Off, Please!: Designing Solutions to Reduce Noise Pollution
- Stem Case
Video Preview
As an acoustic engineer, students will work with an urban planner to learn how noise pollution impacts a community. Students will develop a system model to test design solutions. Wave properties of sound and how sound interacts with different surfaces will be explored and used as evidence to reduce noise pollution.
Lesson InfoProtecting Permafrost: Heat Transfer Highway
- Stem Case
Video Preview
Thawing permafrost threatens the stability of critical infrastructure in the Arctic community of Frostville, Alaska. Students take on the role of a civil engineer to design heat transfer solutions to protect permafrost in a warming climate.
Lesson InfoEnzymes
- Stem Case
Video Preview
As a veterinary technician, students learn about enzymes to help a dog that has been eating normally but is losing a lot of weight.
Lesson InfoMeowsis
- Stem Case
Video Preview
As a geneticist in an animal hospital, students learn about genetic changes in meiosis to determine the reason why a male cat can have calico fur coloring.
Lesson InfoPhotosynthesis
- Stem Case
Video Preview
As a marine biologist students learn about photosynthesis to help scientists in Australia determine why the coral in the Great Barrier Reef is bleaching.
Lesson InfoCell Respiration
- Stem Case
Video Preview
As a medical toxicologist, students learn about cell respiration to save the life of a CIA agent that has been poisoned.
Lesson InfoAnimal Group Behavior
- Stem Case
Video Preview
A farmer in Africa is having problems with elephants eating her corn and cotton crops. As a wildlife biologist, students learn about animal group behavior and relationships of elephants and humans with bees. Students collect data from the farm and elephants to hypothesize and test solutions that will protect the crops without hurting the elephants.
Lesson InfoWater Contamination
- Stem Case
Video Preview
There has been an outbreak of legionnaires’ disease in a small town. This disease is caused by legionella bacteria that proliferate in contaminated water supplies. Students take on the role of a civil engineer to investigate how the water treatment plant has failed to get rid of all the contaminants in the water and design a new method.
Lesson InfoTrebuchet
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 GizmoFeel the Heat
- New!
5 Minute Preview
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.
Lesson Info Launch GizmoProgrammable Rover
- New!
5 Minute Preview
In this introduction to coding, program a rover to explore the surface of Mars. Start by using tiles to create simple programs involving moving forward or backward, turns, jumps, loops, and picking up rock samples. Then use text instructions to optimize your code. Use your skills to program the rover to complete six challenging missions on Mars.
Lesson Info Launch GizmoEcosystems
- Stem Case
Video Preview
As a national park ranger, students must restore the ecosystem of a park back to normal. They interact with populations of many organisms including wolves, deer and bees. Students learn the importance of food chains and webs, and how human factors can impact the health of an environment.
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 InfoOsmosis
- Stem Case
Video Preview
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.
Lesson InfoDiffusion
- Stem Case
Video Preview
As a physician assistant, students must learn about diffusion to save the life of a person poisoned by chlorine gas that was released into a small town following a train crash.
Lesson InfoProtein Synthesis
- Stem Case
Video Preview
As a pediatrician, students learn about genes and protein synthesis to try to help a baby girl named Lucy who has an immunodeficiency disease.
Lesson InfoFruit Production
- Stem Case
Video Preview
As an agricultural scientist, students help a strawberry farmer who is having problems with low fruit production. Students learn about the factors involved in fruit production including plant nutrients, pollination and bees, and the interaction with the environment.
Lesson InfoCity Tour (Coordinates)
- Free!
FREE with no time limit!
5 Minute Preview
Go sightseeing in fictional cities all over the world. Learn about coordinates on a graph by navigating around these cities on a grid-like city map. Some landmarks are shown on the map. For others, you are only given the coordinates. Can you find all of them?
Lesson Info Launch GizmoHeredity and Traits
- Free!
- Stem Case
FREE with no time limit!
Video Preview
As a bee scientist, students help a honey farm that has low honey production due to wasps. Students learn about bees, heredity and traits to determine which traits will help the bees defend their hives against the wasps. They then pick a new queen bee to pass on these traits to the bee colony.
Lesson InfoMean, Median, and Mode
- Free!
FREE with no time limit!
5 Minute Preview
Build a data set and find the mean, median, and mode. Explore the mean, median, and mode illustrated as frogs on a seesaw, frogs on a scale, and as frogs stacked under a bar of variable height.
Lesson Info Launch GizmoFast Plants® 1 - Growth and Genetics
- Free!
- New!
FREE with no time limit!
5 Minute Preview
Grow Wisconsin Fast Plants® in a simulated lab environment. Explore the life cycles of these plants and how their growth is influenced by light, water, and crowding. Practice pollinating the plants using bee sticks, then observe the traits of the offspring plants. Use Punnett squares to model the inheritance of genes for stem color and leaf color for these plants.
Lesson Info Launch GizmoSmelling in the Rain: Designing Solutions to Improve Air Quality
- Free!
- Stem Case
FREE with no time limit!
Video Preview
A respiratory physiologist is concerned about the number of asthma attacks in children within her community. On certain days, the number is higher than the respiratory physiologist might expect. She thinks something in the environment is causing more rescue inhaler use on those days. As an air quality engineer, students will work collaboratively with a respiratory physiologist to learn how some air pollutants are released directly from sources while others are formed through chemical reactions. Students will develop a system model to test design solutions to recommend a plan to help decrease air pollution in a community with a record number of asthma cases in children.
Lesson InfoIsotopes
- Free!
- New!
FREE with no time limit!
5 Minute Preview
Explore what isotopes are by adding protons and neutrons to the nucleus of an atom. Plot both stable and radioactive isotopes on a graph of neutrons vs. protons, and explore how the neutron:proton ratio of stable isotopes changes from lighter to heavier elements.
Lesson Info Launch GizmoBeat the Heat: Tackling Urban Heat Islands Using the Science of Energy
- Stem Case
Video Preview
Lake City's latest heat wave has more people in the hospital than ever before. Juan, a local student admitted to the hospital, lives in one of the hottest neighborhoods in the city. Students are hired as the city's Chief Heat Officer to investigate and solve the problem. As the Chief Heat Officer, students look at land uses, surface air temperatures, and building materials across Lake City. Students will develop a system model to test several design solutions and give the mayor a proposal to beat the heat.
Lesson InfoEvolution
- 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 InfoOcean Carbon Equilibrium
- Stem Case
Video Preview
Mussel farmers in the Arctic Ocean have reported problems with their mussels. They have noticed that the mussel shells have eroded and become brittle. Students take on the role of a marine chemist to analyze the changes to ocean carbon chemistry and equilibrium to determine the cause of the mussel shell erosion.
Lesson InfoHeredity and Traits
- Free!
- Stem Case
FREE with no time limit!
Video Preview
As a bee scientist, students help a honey farm that has low honey production due to wasps. Students learn about bees, heredity and traits to determine which traits will help the bees defend their hives against the wasps. They then pick a new queen bee to pass on these traits to the bee colony.
Lesson InfoHydrologic Cycle
- Stem Case
Video Preview
Paanee, a city in Northeast India, has been experiencing higher rates of flooding than normal. This surge in flooding has been caused by an increase in the hydrologic cycle’s activity. Students take on the role of a hydrologist to investigate why the hydrologic cycle’s rate has increased and what can be done to manage flooding and reduce flooding.
Lesson InfoSmelling in the Rain: Designing Solutions to Improve Air Quality
- Free!
- Stem Case
FREE with no time limit!
Video Preview
A respiratory physiologist is concerned about the number of asthma attacks in children within her community. On certain days, the number is higher than the respiratory physiologist might expect. She thinks something in the environment is causing more rescue inhaler use on those days. As an air quality engineer, students will work collaboratively with a respiratory physiologist to learn how some air pollutants are released directly from sources while others are formed through chemical reactions. Students will develop a system model to test design solutions to recommend a plan to help decrease air pollution in a community with a record number of asthma cases in children.
Lesson InfoSound Off, Please!: Designing Solutions to Reduce Noise Pollution
- Stem Case
Video Preview
As an acoustic engineer, students will work with an urban planner to learn how noise pollution impacts a community. Students will develop a system model to test design solutions. Wave properties of sound and how sound interacts with different surfaces will be explored and used as evidence to reduce noise pollution.
Lesson InfoProtecting Permafrost: Heat Transfer Highway
- Stem Case
Video Preview
Thawing permafrost threatens the stability of critical infrastructure in the Arctic community of Frostville, Alaska. Students take on the role of a civil engineer to design heat transfer solutions to protect permafrost in a warming climate.
Lesson InfoEnzymes
- Stem Case
Video Preview
As a veterinary technician, students learn about enzymes to help a dog that has been eating normally but is losing a lot of weight.
Lesson InfoMeowsis
- Stem Case
Video Preview
As a geneticist in an animal hospital, students learn about genetic changes in meiosis to determine the reason why a male cat can have calico fur coloring.
Lesson InfoPhotosynthesis
- Stem Case
Video Preview
As a marine biologist students learn about photosynthesis to help scientists in Australia determine why the coral in the Great Barrier Reef is bleaching.
Lesson InfoCell Respiration
- Stem Case
Video Preview
As a medical toxicologist, students learn about cell respiration to save the life of a CIA agent that has been poisoned.
Lesson InfoAnimal Group Behavior
- Stem Case
Video Preview
A farmer in Africa is having problems with elephants eating her corn and cotton crops. As a wildlife biologist, students learn about animal group behavior and relationships of elephants and humans with bees. Students collect data from the farm and elephants to hypothesize and test solutions that will protect the crops without hurting the elephants.
Lesson InfoWater Contamination
- Stem Case
Video Preview
There has been an outbreak of legionnaires’ disease in a small town. This disease is caused by legionella bacteria that proliferate in contaminated water supplies. Students take on the role of a civil engineer to investigate how the water treatment plant has failed to get rid of all the contaminants in the water and design a new method.
Lesson InfoEcosystems
- Stem Case
Video Preview
As a national park ranger, students must restore the ecosystem of a park back to normal. They interact with populations of many organisms including wolves, deer and bees. Students learn the importance of food chains and webs, and how human factors can impact the health of an environment.
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 InfoOsmosis
- Stem Case
Video Preview
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.
Lesson InfoDiffusion
- Stem Case
Video Preview
As a physician assistant, students must learn about diffusion to save the life of a person poisoned by chlorine gas that was released into a small town following a train crash.
Lesson InfoProtein Synthesis
- Stem Case
Video Preview
As a pediatrician, students learn about genes and protein synthesis to try to help a baby girl named Lucy who has an immunodeficiency disease.
Lesson InfoFruit Production and the Environment
- Stem Case
Video Preview
As an agricultural scientist, students help a strawberry farmer who is having problems with low fruit production. Students learn about the factors involved in fruit production including plant nutrients, pollination and bees, and the interaction with the environment.
Lesson InfoFind Your Solution
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