Interactive
CK-12 Foundation

Black Hole

For Students 9th - 12th Standards
What happens to radio waves, time, and light in and near a black hole? Young scientists explore what is known about observing frequency and time at various distances from a black hole. They control the size of the black hole 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

Electric Analogies

For Students 9th - 12th Standards
We can see the result of electricity  but not the process itself. The simulation compares electric circuits to a water tower and water wheel cycle. Young scientists adjust the height of the tower, the amount of resistance, and if...
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

Crash Test Dummy

For Students 6th - 12th Standards
Why are car manufactures required to install seat belts and airbags; do they really make that big of a difference? Scholars use a simulator to determine the amount of force dissipated by a seat belt and airbag in a head-on crash. This is...
Interactive
CK-12 Foundation

Ski Jump

For Students 6th - 12th Standards
What are the three types of energy a ski jumper uses? If you said potential, kinetic, and heat, then you are correct. Scholars adjust the jumper's mass, jumper's form, and height of the start line in the simulation to display graphs of...
Interactive
CK-12 Foundation

Hot Oven

For Students 6th - 12th Standards
Why does the air in a hot oven not burn skin, but metal in the oven does? The simulation focuses on the difference between temperature and thermal energy and the way these are transferred. Scholars adjust the temperature of an oven and...
Interactive
CK-12 Foundation

Block and Tackle

For Students 6th - 12th Standards
Can you easily lift more than your own weight? With a pulley system, almost anyone can manage this challenge. Scholars adjust the mechanical advantage (number of pulleys), weight of object being lifted, and the length of rope pulled. The...
Interactive
CK-12 Foundation

Flashing Neon Light

For Students 9th - 12th Standards
How does a neon light work and does it actually contain the gas neon? An enlightening simulation encourages pupils to play with circuits and neon lights. They control the capacitance, resistance, and color of the bulb, and the simulation...
Interactive
CK-12 Foundation

Doorbell

For Students 9th - 12th Standards
What are some simple uses for an electromagnet? Scholars explore the electromagnetic circuitry in a doorbell through an interesting simulation. They control the core material, number of loops, amount of current, and strength in a spring....

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