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Unit 4
| Question | Answer |
|---|---|
| chemical energy | energy stored in food or batteries |
| electrical energy | moves through an electric circuit flowing through electric conductors |
| circuit | the path through which electricity can flow |
| energy | the ability to cause change in matter |
| energy transformation | process of energy changing from one form to another |
| conductor | a substance or object that allows energy to flow through it easily |
| insulator | a substance or object that does not allow energy to flow through it easily |
| switch | a device that can open and close to turn current on and off |
| mechanical energy | energy of motion |
| sound energy | energy of sound |
| thermal energy | energy of heat |
| open circuit | An open circuit that prevents the flow of electricity and fails to power components. |
| closed circuit | a closed circuit is complete and allows the flow of electricity to power components |