Interactive
CK-12 Foundation

Heat Engine

For Students 9th - 12th Standards
How can heat power an engine? Scholars observe a heat engine working and control variables to determine the most efficient setup. They change the amount of heat input as well as the stroke length. Energy efficiency numbers prove the...
Interactive
CK-12 Foundation

Airplane

For Students 6th - 12th Standards
How does an airplane control its take off and descent? Scholars explore the forces acting on an airplane and control the angle of attack, wing profile, thrust, and airplane size. They learn about lift, drag, thrust, gravity, and the...
Interactive
CK-12 Foundation

Ramp and Piano

For Students 6th - 12th Standards
Can you lift a piano into a truck? Simulation allows scholars to explore the relationship between force, ramp length, and weight. Pupils control the variables of truck bed height, ramp length, weight of piano, and the number of friends...
Interactive
CK-12 Foundation

Power Lines

For Students 9th - 12th Standards
How does electricity travel through power lines? The simulation demonstrates the how changes in voltage and resistance are related to the distance between power polls and the thickness of the cable. Scholars control three variables in...
Interactive
CK-12 Foundation

Electric Motor

For Students 9th - 12th Standards
How does a direct current run a motor? Pupils control five variables in an electric motor and observe how the force diagram changes. The force, magnetic field, and current vary based on the changes in the design of the magnet and...
Interactive
CK-12 Foundation

Sprinter

For Students 6th - 12th Standards
Why do sprinters wear spiked shoes? Scholars explore various styles of shoes and how they handle forces when running. Scholars adjust variables including shoe type, horizontal force, surface type, and normal force to determine which...
Interactive
CK-12 Foundation

Stow Lake

For Students 9th - 12th Standards
Does the depth of a pond matter to the waves created when rain is falling? Many people assume the answer is no, but interestingly, it does matter. Pupils explore this concept and other variables related to wave behavior through a...
Interactive
CK-12 Foundation

Galvanometer

For Students 9th - 12th Standards
In 1820, Hans Christian Orstead discovered the link between electricity and magnetism, which allows us to measure current and voltage. The simulation allows scholars to observe the inner workings of an ammeter and voltmeter as they...
Interactive
CK-12 Foundation

Particle Tracks

For Students 9th - 12th Standards
Did you know physicists can identify new particles by observing the path they take in a particle accelerator? Scholars explore the variables that determine the direction and radius of the circular path different particles take. They...
Interactive
CK-12 Foundation

Newton's Apple

For Students 6th - 12th Standards
Scientists state that the higher something is above the earth, the greater the gravitational potential energy. Does this mean there is more gravity acting on the moon than on an apple falling from a tree? Scholars adjust the distance...