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Physical Science
Week 6
| Term | Definition |
|---|---|
| Friction | the force in which two objects rub against each other (it either causes them to heat up or slow down) |
| energy | the ability to do work |
| mechanical energy | work done for something that is moving |
| thermal energy | energy of heat |
| solar energy | energy produced by the Sun |
| Light energy | energy in the form of waves that can travel through an empty space |
| sound energy | energy from vibrations |
| electrical energy | energy of moving electrons or electric charges |
| heat resistant | not easily becoming hot |
| transmit | to pass on to another |
| medium | a substance or material that makes it possible for the transfer of energy from one location to another |
| generator | a device that uses magnets to change mechanical energy into electricity. |