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Energy
Vocabulary
Force
Friction
100
This type of energy is stored energy.
Potential energy
100
When you turn a page, you apply a force to the page with your fingers. Define force.
Force is a push or pull on an object.
100
Which would require more force to move, a school bus or a bicycle?
School bus
100
Which of these would produce the least amount of friction: skis on snow or shoes on a sidewalk?
Skis on snow
200
This type of energy is energy in motion.
Kinetic energy
200
True/False: Friction is a force that acts against other forces.
True.
200
Which would require less force to move, a basketball or a rowboat?
Basketball
200
Which of these would produce the most amount of friction: going down a slide or tires on gravel?
Tires on gravel
300
True/False: If you are running you are an example of kinetic energy.
TRUE
300
Define energy.
Energy is the ability to do work.
300
In order to move a desk across the room you would need to apply what?
Force
300
What does friction produce?
Heat
400
How does the body's potential energy allow us to kick a ball?
The body changes stored energy into kinetic energy.
400
Define inertia.
Inertia is the tendency for an object at rest to remain at reast or if in motion, remain in motion.
400
Any push or pull that causes an object to move, stop, change speed or direction is...
Force
400
Which has LESS friction: a rough surface or a smooth surface?
Smooth surface
500
If the second hill on a roller coaster is higher than the first hill, will the car have enough energy to make it over the second hill?
No