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bc science ch7 vocab
| Term | Definition |
|---|---|
| acetate | a salt or ester of acetic acid |
| action-at-a-distance forces | forces that have effect without touching an object |
| charging by conduction | transferring charge between objects by touching them together |
| charging by induction | rearranging electrons on a neutral object by bringing a a charged object close to it |
| conductors | materials that allow electrons to move freely on and through them |
| contact forces | forces that only affect objects they touch |
| coulomb | unit of electrical charge, one coulomb is the amount of charge passing a point in one second |
| electric force | a push or pull between charged objects |
| electrons | negatively charged atoms surrounding the nucleus |
| force | a push or pull exerted on an object |
| grounding | connecting a conductor so that the electrons can go into to the earth |
| insulators | materials that don't allow electrons to easily move on or through them |
| laws of static charge | like charges repel, opposite charges attract and neutral and charged objects attract |
| static charge | an electrical charge that can be collected and held almost in one point |
| Van de Graaff generator | a device which uses friction to produce a large static charge on a metal dome |
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