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physics-(sana)
physics test review
Question | Answer |
---|---|
what is a grounding wire? | A wire that the charge turns neutral once it touches the ground. |
what is friction? | rubbing two objects together. |
what is an electroscope? | a device that indicates weather an object has a charge or not. |
what is induction? | when a charged object comes close to a neutral object and causes the electrons to one side of the object |
when positive and negative are rubbed together do they repel or attract? | attract |
what is the one thing that can move in and out of objects or atoms? | electrons |
what is the term called when the water particles are in the air? | humidity |
what happens when an object holds a positive or negative charge? | static electricity |
what is a certain sheet we use to determine weather it will turn to a positive or negative charge? | electrostatic series |
do similar charges repel or attract? | repel |