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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.
Boyle's Law and Charles's Law
5 Minute Preview
Investigate the properties of an ideal gas by performing experiments in which the temperature is held constant (Boyle's Law), and others in which the pressure remains fixed (Charles's Law)....
Lesson Info Launch GizmoIdeal Gas Law
- New!
5 Minute Preview
Explore relationships between amount, temperature, pressure, and volume for an ideal gas in a chamber with a moveable piston. Discover rules of proportionality contained in Boyle's law,...
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 GizmoFan Cart Physics
5 Minute Preview
Gain an understanding of Newton's Laws by experimenting with a cart (on which up to three fans are placed) on a linear track. The cart has a mass, as does each fan. The fans exert a...
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 GizmoAtwood Machine
5 Minute Preview
Measure the height and velocity of two objects connected by a massless rope over a pulley. Observe the forces acting on each mass throughout the simulation. Calculate the acceleration of...
Lesson Info Launch GizmoGravitational Force
5 Minute Preview
Drag two objects around and observe the gravitational force between them as their positions change. The mass of each object can be adjusted, and the gravitational force is displayed both as...
Lesson Info Launch GizmoLevers
5 Minute Preview
Use a lever to lift a pig, turkey, or sheep. A strongman provides up to 1000 newtons of effort. The fulcrum, strongman, and animals can be moved to any position to create first-, second-,...
Lesson Info Launch GizmoFree-Fall Laboratory
5 Minute Preview
Investigate the motion of an object as it falls to the ground. A variety of objects can be compared, and their motion can be observed in a vacuum, in normal air, and in denser air. The...
Lesson Info Launch GizmoTorque and Moment of Inertia
5 Minute Preview
One of the simplest machines is a see-saw lever. Place up to eight objects on the lever at different locations and try to balance it. Calculate net torque and moment of inertia based on the...
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 GizmoCrumple Zones
- Free!
- New!
FREE with no time limit!
5 Minute Preview
Design a car to protect a test dummy in a collision. Adjust the length and stiffness of the crumple zone and the rigidity of the safety cell to determine how the car will deform during the...
Lesson Info Launch GizmoPulleys
5 Minute Preview
Lift a variety of heavy objects (armchair, safe, piano) using pulleys and a rope. Systems of one, two, four, or six pulleys can be used. Up to six people can be used to pull on the rope,...
Lesson Info Launch GizmoUniform Circular Motion
5 Minute Preview
Measure the position, velocity, and acceleration (both components and magnitude) of an object undergoing circular motion. The radius and velocity of the object can be controlled, along with...
Lesson Info Launch GizmoMultiplying Decimals (Area Model)
5 Minute Preview
Model the product of two decimals by finding the area of a rectangle. Estimate the area of the rectangle first. Then break the rectangle into several pieces and find the area of each piece...
Lesson Info Launch GizmoEquilibrium and Pressure
5 Minute Preview
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...
Lesson Info Launch GizmoSolar System Explorer
5 Minute Preview
Survey the solar system, observing the length of a year and the orbital path of each object. The positions of the eight official planets are displayed, as well as one dwarf planet, Pluto....
Lesson Info Launch GizmoPulley Lab
5 Minute Preview
Use a pulley system to lift a heavy weight to a certain height. Measure the force required to lift the weight using up to three fixed and three movable pulleys. The weight to be lifted and...
Lesson Info Launch GizmoInclined Plane - Simple Machine
5 Minute Preview
Investigate how an inclined plane redirects and reduces the force pulling a brick downward, with or without friction. A toy car can apply a variable upward force on the brick, and the...
Lesson Info Launch GizmoWeight and Mass
5 Minute Preview
Use a balance to measure mass and a spring scale to measure the weight of objects. Compare the masses and weights of objects on Earth, Mars, Jupiter, and the Moon.
Lesson Info Launch GizmoAdvanced Circuits
5 Minute Preview
Build compound circuits with series and parallel elements. Calculate voltages, resistance, and current across each component using Ohm's law and the equivalent resistance equation. Check...
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 GizmoCargo Captain (Multi-digit Subtraction)
5 Minute Preview
You are the captain of an interplanetary cargo ship, delivering important supplies to the outer planets. The cargo can be stored in barrels, crates, and holds. (There are 10 barrels in a...
Lesson Info Launch GizmoGolf Range
5 Minute Preview
Try to get a hole in one by adjusting the velocity and launch angle of a golf ball. Explore the physics of projectile motion in a frictional or ideal setting. Horizontal and vertical...
Lesson Info Launch GizmoMoment of Inertia
5 Minute Preview
Place masses on a circular table and see how fast it spins when struck by a piston. Discover the relationships between angular velocity, mass, radius and moment of inertia for collections...
Lesson Info Launch GizmoBasic Prism
5 Minute Preview
Shine white light or a single-color beam through a prism. Explore how a prism refracts light and investigate the factors that affect the amount of refraction. The index of refraction of the...
Lesson Info Launch GizmoFeed the Monkey (Projectile Motion)
5 Minute Preview
Fire a banana cannon at a monkey in a tree. The monkey drops from the tree at the moment the banana is fired from the cannon. Determine where to aim the cannon so the monkey catches the...
Lesson Info Launch GizmoGravity Pitch
5 Minute Preview
Imagine a gigantic pitcher standing on Earth, ready to hurl a huge baseball. What will happen as the ball is thrown harder and harder? Find out with the Gravity Pitch Gizmo. Observe the...
Lesson Info Launch GizmoFree Fall Tower
5 Minute Preview
Recreate Galileo's famous experiment by dropping objects off the Tower of Pisa. You can drop ping pong balls, golf balls, soccer balls or watermelons. Objects can be dropped in air or no...
Lesson Info Launch GizmoCrumple Zones
- Free!
- New!
FREE with no time limit!
5 Minute Preview
Design a car to protect a test dummy in a collision. Adjust the length and stiffness of the crumple zone and the rigidity of the safety cell to determine how the car will deform during the...
Lesson Info Launch GizmoSorry, we could not find any Search Results to show you for STEM Cases!
![Screenshot of Boyle's Law and Charles's Law Gizmo](/Assets/img/blank.gif)
Boyle's Law and Charles's Law
5 Minute Preview
Investigate the properties of an ideal gas by performing experiments in which the temperature is held constant (Boyle's Law), and others in which the pressure remains fixed (Charles's Law). The pressure is controlled through the placement of masses on the lid of the container, and temperature is controlled with an adjustable heat source. Gay-Lussac's law relating pressure to temperature can also be explored by keeping the volume constant.
Lesson Info Launch Gizmo![Screenshot of Ideal Gas Law Gizmo](/Assets/img/blank.gif)
Ideal Gas Law
- New!
5 Minute Preview
Explore relationships between amount, temperature, pressure, and volume for an ideal gas in a chamber with a moveable piston. Discover rules of proportionality contained in Boyle's law, Charles's law, Avogadro's law, and Gay-Lussac's law. Use these relationships to derive the ideal gas law and calculate the value of the ideal gas constant.
Lesson Info Launch Gizmo![Screenshot of Orbital Motion - Kepler's Laws Gizmo](/Assets/img/blank.gif)
Orbital 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 Gizmo![Screenshot of Fan Cart Physics Gizmo](/Assets/img/blank.gif)
Fan Cart Physics
5 Minute Preview
Gain an understanding of Newton's Laws by experimenting with a cart (on which up to three fans are placed) on a linear track. The cart has a mass, as does each fan. The fans exert a constant force when switched on, and the direction of the fans can be altered as the position, velocity, and acceleration of the cart are measured.
Lesson Info Launch Gizmo![Screenshot of Big Bang Theory - Hubble's Law Gizmo](/Assets/img/blank.gif)
Big 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 Gizmo![Screenshot of Atwood Machine Gizmo](/Assets/img/blank.gif)
Atwood Machine
5 Minute Preview
Measure the height and velocity of two objects connected by a massless rope over a pulley. Observe the forces acting on each mass throughout the simulation. Calculate the acceleration of the objects, and relate these calculations to Newton's Laws of Motion. The mass of each object can be manipulated, as well as the mass and radius of the pulley.
Lesson Info Launch Gizmo![Screenshot of Gravitational Force Gizmo](/Assets/img/blank.gif)
Gravitational Force
5 Minute Preview
Drag two objects around and observe the gravitational force between them as their positions change. The mass of each object can be adjusted, and the gravitational force is displayed both as vectors and numerically.
Lesson Info Launch Gizmo![Screenshot of Levers Gizmo](/Assets/img/blank.gif)
Levers
5 Minute Preview
Use a lever to lift a pig, turkey, or sheep. A strongman provides up to 1000 newtons of effort. The fulcrum, strongman, and animals can be moved to any position to create first-, second-, or third-class levers.
Lesson Info Launch Gizmo![Screenshot of Free-Fall Laboratory Gizmo](/Assets/img/blank.gif)
Free-Fall Laboratory
5 Minute Preview
Investigate the motion of an object as it falls to the ground. A variety of objects can be compared, and their motion can be observed in a vacuum, in normal air, and in denser air. The position, velocity, and acceleration are measured over time, and the forces on the object can be displayed. Using the manual settings, the mass, radius, height, and initial velocity of the object can be adjusted, as can the air density and wind.
Lesson Info Launch Gizmo![Screenshot of Torque and Moment of Inertia Gizmo](/Assets/img/blank.gif)
Torque and Moment of Inertia
5 Minute Preview
One of the simplest machines is a see-saw lever. Place up to eight objects on the lever at different locations and try to balance it. Calculate net torque and moment of inertia based on the positions of the objects and the mass of the bar. The mass of each object can be changed, and the fulcrum position can be shifted as well.
Lesson Info Launch Gizmo![Screenshot of Force and Fan Carts Gizmo](/Assets/img/blank.gif)
Force 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 Gizmo![Screenshot of Crumple Zones Gizmo](/Assets/img/blank.gif)
Crumple Zones
- Free!
- New!
FREE with no time limit!
5 Minute Preview
Design a car to protect a test dummy in a collision. Adjust the length and stiffness of the crumple zone and the rigidity of the safety cell to determine how the car will deform during the crash. Add seat belts and/or airbags to prevent the dummy from hitting the steering wheel. Three different body types (sedan, SUV, and subcompact) are available and a wide range of crash speeds can be used.
Lesson Info Launch Gizmo![Screenshot of Pulleys Gizmo](/Assets/img/blank.gif)
Pulleys
5 Minute Preview
Lift a variety of heavy objects (armchair, safe, piano) using pulleys and a rope. Systems of one, two, four, or six pulleys can be used. Up to six people can be used to pull on the rope, which adds force (effort).
Lesson Info Launch Gizmo![Screenshot of Uniform Circular Motion Gizmo](/Assets/img/blank.gif)
Uniform Circular Motion
5 Minute Preview
Measure the position, velocity, and acceleration (both components and magnitude) of an object undergoing circular motion. The radius and velocity of the object can be controlled, along with the mass of the object. The forces acting on the object also can be recorded.
Lesson Info Launch Gizmo![Screenshot of Multiplying Decimals (Area Model) Gizmo](/Assets/img/blank.gif)
Multiplying Decimals (Area Model)
5 Minute Preview
Model the product of two decimals by finding the area of a rectangle. Estimate the area of the rectangle first. Then break the rectangle into several pieces and find the area of each piece (partial product). Add these areas together to find the whole area (product).
Lesson Info Launch Gizmo![Screenshot of Equilibrium and Pressure Gizmo](/Assets/img/blank.gif)
Equilibrium and Pressure
5 Minute Preview
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.
Lesson Info Launch Gizmo![Screenshot of Solar System Explorer Gizmo](/Assets/img/blank.gif)
Solar System Explorer
5 Minute Preview
Survey the solar system, observing the length of a year and the orbital path of each object. The positions of the eight official planets are displayed, as well as one dwarf planet, Pluto. Learn about Kepler's Laws and how planets are classified.
Lesson Info Launch Gizmo![Screenshot of Pulley Lab Gizmo](/Assets/img/blank.gif)
Pulley Lab
5 Minute Preview
Use a pulley system to lift a heavy weight to a certain height. Measure the force required to lift the weight using up to three fixed and three movable pulleys. The weight to be lifted and the efficiency of the pulley system can be adjusted, and the height of the weight and the total input distance are reported.
Lesson Info Launch Gizmo![Screenshot of Inclined Plane - Simple Machine Gizmo](/Assets/img/blank.gif)
Inclined Plane - Simple Machine
5 Minute Preview
Investigate how an inclined plane redirects and reduces the force pulling a brick downward, with or without friction. A toy car can apply a variable upward force on the brick, and the mechanical advantage and efficiency of the plane can be determined. A graph of force versus distance illustrates the concept of work.
Lesson Info Launch Gizmo![Screenshot of Weight and Mass Gizmo](/Assets/img/blank.gif)
Weight and Mass
5 Minute Preview
Use a balance to measure mass and a spring scale to measure the weight of objects. Compare the masses and weights of objects on Earth, Mars, Jupiter, and the Moon.
Lesson Info Launch Gizmo![Screenshot of Advanced Circuits Gizmo](/Assets/img/blank.gif)
Advanced Circuits
5 Minute Preview
Build compound circuits with series and parallel elements. Calculate voltages, resistance, and current across each component using Ohm's law and the equivalent resistance equation. Check your answers using a voltmeter, ammeter, and ohmmeter. Learn the function of fuses as a safety device.
Lesson Info Launch Gizmo![Screenshot of Evolution: Mutation and Selection Gizmo](/Assets/img/blank.gif)
Evolution: 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 Gizmo![Screenshot of Cargo Captain (Multi-digit Subtraction) Gizmo](/Assets/img/blank.gif)
Cargo Captain (Multi-digit Subtraction)
5 Minute Preview
You are the captain of an interplanetary cargo ship, delivering important supplies to the outer planets. The cargo can be stored in barrels, crates, and holds. (There are 10 barrels in a crate, and 10 crates in a hold.) Model multi-digit subtraction by unloading cargo on each planet.
Lesson Info Launch Gizmo![Screenshot of Golf Range Gizmo](/Assets/img/blank.gif)
Golf Range
5 Minute Preview
Try to get a hole in one by adjusting the velocity and launch angle of a golf ball. Explore the physics of projectile motion in a frictional or ideal setting. Horizontal and vertical velocity vectors can be displayed, as well as the path of the ball. The height of the golfer and the force of gravity are also adjustable.
Lesson Info Launch Gizmo![Screenshot of Moment of Inertia Gizmo](/Assets/img/blank.gif)
Moment of Inertia
5 Minute Preview
Place masses on a circular table and see how fast it spins when struck by a piston. Discover the relationships between angular velocity, mass, radius and moment of inertia for collections of point-masses, rings, disks, and more complex shapes.
Lesson Info Launch Gizmo![Screenshot of Basic Prism Gizmo](/Assets/img/blank.gif)
Basic Prism
5 Minute Preview
Shine white light or a single-color beam through a prism. Explore how a prism refracts light and investigate the factors that affect the amount of refraction. The index of refraction of the prism, width of the prism, prism angle, light angle, and light wavelength can be adjusted.
Lesson Info Launch Gizmo![Screenshot of Feed the Monkey (Projectile Motion) Gizmo](/Assets/img/blank.gif)
Feed the Monkey (Projectile Motion)
5 Minute Preview
Fire a banana cannon at a monkey in a tree. The monkey drops from the tree at the moment the banana is fired from the cannon. Determine where to aim the cannon so the monkey catches the banana. The position of the cannon, launch angle and initial velocity of the banana can be varied. Students can observe the velocity vectors and the paths of the monkey and banana.
Lesson Info Launch Gizmo![Screenshot of Gravity Pitch Gizmo](/Assets/img/blank.gif)
Gravity Pitch
5 Minute Preview
Imagine a gigantic pitcher standing on Earth, ready to hurl a huge baseball. What will happen as the ball is thrown harder and harder? Find out with the Gravity Pitch Gizmo. Observe the path of the ball when it is thrown at different velocities. Throw the ball on different planets to see how each planet's gravity affects the ball.
Lesson Info Launch Gizmo![Screenshot of Free Fall Tower Gizmo](/Assets/img/blank.gif)
Free Fall Tower
5 Minute Preview
Recreate Galileo's famous experiment by dropping objects off the Tower of Pisa. You can drop ping pong balls, golf balls, soccer balls or watermelons. Objects can be dropped in air or no air, with or without a parachute. The speed of each object is shown on a speedometer and a graph.
Lesson Info Launch Gizmo![Screenshot of Crumple Zones Gizmo](/Assets/img/blank.gif)
Crumple Zones
- Free!
- New!
FREE with no time limit!
5 Minute Preview
Design a car to protect a test dummy in a collision. Adjust the length and stiffness of the crumple zone and the rigidity of the safety cell to determine how the car will deform during the crash. Add seat belts and/or airbags to prevent the dummy from hitting the steering wheel. Three different body types (sedan, SUV, and subcompact) are available and a wide range of crash speeds can be used.
Lesson Info Launch GizmoFind Your Solution
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