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100

What happens when two like charges are brought close together? What about opposite charges

Like charges repel, while opposite charges attract.

100

What is the unit of electric charge in the SI system?

(C) Coulomb
200
Identify several substances that are good conductors of electricity, and several substances that are good insulators of electricity.
Good Conductors: Copper, Iron, Metal Good Insulators: Plastic, Rubber, Ceramic
200
There are two charged objects, one is positive and one is negative. Will these objects attract or repel?
Repel
300
What moves between objects Protons, Electrons, or Neutrons
Electrons
300
In an atom, what is the sign of the charge for the proton, electron, and neutron?
proton: + electron: - neutron: none
400
A student creates identical electrical charges on identical balloons by rubbing them with a wool cloth. The balloons repel each other. According to Coulomb's Law, what should the student do to increase the electrical force of repulsion between these balloons?
Increase the charge on one of the balloons. OR Decrease the distance between the balloons.
400
What is the difference between an insulator and a conductor
Conductor - electrons are free to move Insulator - electrons can not move
500
You are able to charge an object by bringing it near, but never touching. What is this method called?
Induction
500

Order the following materials from good conductor to bad conductor? Rubber, Wet Skin, Silver

Silver, Wet Skin, Rubber