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chapter 4
lessons 1-3
| Question | Answer |
|---|---|
| energy | the ability to do work or cause change |
| kinetic energy | energy that cannot be created or destroyed |
| potential energy | the energy an object has because of it's position, also the stored internal energy of an object, such as energy stored in chemical bonds |
| gravitational potential energy | Potential energy that depends on the height of the object |
| elastic potential energy | the energy of stretched or compressed objects |
| mechanical energy | kinetic or potential energy associated with the motion of an object |
| thermal energy | the total kinetic and potential energy of all the particles of an object |
| electrical energy | the energy of electric charges |
| electromagnetic energy | the energy of light and other forms of radiation which travels through space as waves |
| chemical energy | A form of potential energy that is stored in chemical bonds between atoms |
| energy transformation | A change from one form of energy to another, also called energy conservation |
| law of conservation of energy | the rule that energy cannot be created or destroyed |