Explore how heating and cooling iron, brick, and water adds or removes energy. See how energy is transferred between objects. Build your own system, with energy sources, changers, and users. Track and visualize how energy flows and changes through your system. Java required.

Learn about conservation of energy with a skater dude. Build tracks, ramps, and jumps for the skater and view the kinetic energy, potential energy and friction as he moves.

Build tracks, ramps and jumps in a skate park to learn about energy.

An interactive skate park simulation that teaches about energy, conservation of energy, kinetic energy, potential energy, and friction. This simulation can either be downloaded or played online and includes handouts, lesson plans, and additional materials.

An interactive skate park simulation that teaches about conservation of energy, kinetic energy, potential energy, thermal energy, and friction. This simulation can either be downloaded or played online and includes handouts, lesson plans, and additional materials.

The interactive simulation allows learners to explore the features of polynomial curves. Students can alter constants to investigate changes in the curves. The resource also includes activities that can be used with the simulation.

An interactive simulation that teaches about graphing, polynomials, and curves by adjusting the constants to observe the effect on the shape of the curve. This simulation can either be downloaded or played online and includes handouts, lesson plans, and additional materials.

Explore size estimation in one, two, and three dimensions! Multiple levels of difficulty allow for progressive skill improvement.

An interactive simulation that teaches about equivalent, evaluating, and simplifying expressions through games and exercises building coin expressions. This simulation can either be downloaded or played online and includes handouts, lesson plans, and additional materials.

Investigate with a bar magnet and coils to learn about Faraday's law. You can also play with electromagnets, generators, and transformers!

An interactive simulation that teaches about Faraday's Law, magnets, and magnetic fields by showing how a change in the magnetic flux can produce a flow of electricity. This simulation can either be downloaded or played online and includes handouts, lesson plans, and additional materials.

Investigate Faraday's law and how a changing magnetic flux can produce a flow of electricity!

Explore pressure in the atmosphere and underwater. Reshape a pipe to see how it changes fluid flow speed. Experiment with a leaky water tower to see how the height and water level determine the water trajectory. Java required.

Explore the forces at work when you try to push a filing cabinet. Create an applied force and see the resulting friction force and total force acting on the cabinet. Charts show the forces, position, velocity, and acceleration vs. time.

Explore the forces at work when you try to push a filing cabinet. Create an applied force and see the resulting friction force and total force acting on the cabinet. Charts show the forces, position, velocity, and acceleration vs. time. View a Free Body Diagram of all the forces (including gravitational and normal forces). Java required.

Explore the forces at work when pulling against a cart, and pushing a refrigerator, crate, or person. Create an applied force and see how it makes objects move. Change friction and see how it affects the motion of objects.

Explore the forces at work when you try to push a filing cabinet. Create an applied force and see the resulting friction force and total force acting on the cabinet. Charts show the forces, position, velocity, and acceleration vs. time. View a Free Body Diagram of all the forces (including gravitational and normal forces). Java required.

Use this simulation to see the results of applying a force to move an object. Analyze forces and friction using graphs.