science test review
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Created by:
MJTenoschok on March 31, 2010
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12 terms
Terms | Definitions |
|---|---|
 atoms | small particles that make up matter. |
| protons | positive charge. |
| electrons | negative charge. |
| induction | method of charging that rearrange charges in an object without direct contact. |
| thermocouple | uses temperature difference in wires to convert thermal energy into electrical energy. |
| friction | method of charging that occurs by wiping on object on another object-like the balloon on your hair. |
| conductors | materials that allow charges to move easily. |
| electric field | the region around a charged object where a force is exerted on other objects. |
| amperes(amps) | unit of measure for current. |
| electric force | force that exists between two charged object. |
| cell(battery) | generates electrical energy from chemical energy. |
| circuit breaker | switch that automatically opens if the current is too high. |
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