Electricity Unit Study Guide

What kinds of electric charges are there? Positive and Negative

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

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

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

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

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

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

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

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

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