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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 |