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Unit 7 Energy
Vocabulary
| Term | Definition |
|---|---|
| energy | the ability to do work ( moving an object ) and /or to cause changes in matter |
| conversion | to change one form of energy into another form of energy |
| potential energy | energy an object has because of its position or condition |
| kinetic energy | energy of motion |
| force | a push or pull that starts an object to move , speed up , slow down , change directions, or stop |
| gravity | a force that pulls objects toward the center of the earth |
| friction | a force that slows down or stops objects because of the rubbing against each other |
| law of inertia | an object at rest will remain at rest, an object in motion will remain in motion until a Force acts on it |
| heat | energy that moves between objects at different temperatures- warmer energy to cooler energy objects |
| thermal energy | the measure of the kinetic energy ( moving particles/ molecules) in a substance, faster movement more energy and heat energy |
| chemical energy | energy that can be released because of a reaction between two or more substances |
| electrical energy | a form of energy that come from a flow or current of electricity |
| mechanical energy | the energy an object has because it can move or is moving |
| conductor | a material that allow heat or electricity to move through it easily |
| insulator | a material that does not allow heat or electricity to move through it easily |
Created by:
stignatiusgrade4
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