Energy of Motion
What is Kinetic energy
How fast an object moves.
What is speed?
An objects ability to stretch and bend.
What is elasticity?
An object is at rest unless a force acts on it.
What is true?
A force that slows down motion when an object rubs against another.
What is friction?
Energy that is stored in an object.
What is potential energy.
How people go from one place to another.
What is movement?
A force that moves something away.
What is a push?
A pull is a force that moves something away.
What is false.
This is long and flat, with one end that is higher than the other.
What is a ramp?
People walking.
What is kinetic energy.
A force that pulls objects towards each other.
What is gravity?
The strength or energy that moves an object.
What is a force?
The rougher the surface, the less friction there is.
What is false?
Rubbing our hands together causes ________ that creates heat.
What is friction?
A battery.
What is potential energy.
The amount of matter in an object.
What is mass?
A force that moves something closer.
What is a pull?
Objects with more mass have more gravity, causing them to fall to the ground faster.
What is true?
The sun's _________ keeps all the planets orbiting around it.
What is gravity?
A roller coaster at the top of a hill.
What is potential energy?
A piece of metal that can stretch and squish.
What is a spring?
When energy changes from one form to another.
What is energy transformation?
Forces cause objects to move in different ways.
What is true.
Ramps are a simple machine because they help us do ________.
What is work?