Electricity Unit Study Guide

What kinds of electric charges are there? Positive and Negative

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What effects do positive and negative charges have on one another? They cancel each other.

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What do you call matter that has a balance of positive and negative charges? Neutral.

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Define electric charge: the basic property of the tiny particles that make up matter.

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Rubbing two balloons with wool makes each balloon negatively charged. What is the result of the balloons being negatively charged? They repel each other.

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Define static charge: the build-up of charges in one place.

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Which type of charge moves from one object to another? Negative charges.

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Which type of charge does not move from one object to another? Positive charges.

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What causes the shock when you touch a metal doorknob after walking across a carpet? A charge jumping from you to the doorknob.

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What causes electric force? The electric field around the charge.

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