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5.2 & 5.3
| Question | Answer |
|---|---|
| energy | the ability to do work or cause change |
| work | a force acting on an object that makes it move in the direction of the force |
| energy transformation | a change from one form of energy to another |
| created / destroyed | energy cannot be ________ or _________ |
| energy transfer | movement of energy from one object or place to another |
| thermal energy | energy related to heat |
| radiant energy | energy that travels as light |
| mechanical energy | energy of motion or position of objects |
| electrical energy | energy caused by moving electric charges |
| motion | change in position of an object over time |
| speed | how fast something is moving |
| direction | the path something follows (such as north, south, left, right) |
| kinetic energy | energy of a moving object |
| force | a push or pull that can change motion |
| net force | combined effect of all forces acting on an object |
| mass | the amount of matter in an object |
| change in motion | any increase, decrease, or change in direction of movement |
| collision | when two objects hit each other |
| friction | a force that slows down or opposes movement |
| balanced forces | forces that cancel each other out and result in no movement |
| unbalanced forces | forces that do not cancel out and cause a change in motion |
| push | a force that moves something away |
| pull | a force that moves something closer |
Created by:
MrLittle5
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