3. What kind of electricity can be caused by rubbing two materials together? Static Electricity
4. When you rub a balloon with a cloth, __________ charges are knocked off the cloth and are collected onto the balloon. This makes the balloon have a __________ charge. negative negative
5. What is a discharge of static electricity in the atmosphere called? Lightning
6. Lightning occurs when the ___________ charges in the thundercloud build up and jump to the ____________ charged ground. negative positively
7. What kind of electricity is caused by a continuous flow of electrons? Current Electricity
8. What is the path that electricity flows through called? Circuit
9. A circuit must be _________ to allow the flow of electricity. closed
10. What can be used to control the flow of electricity? Switch
11. What do we call materials that allow the flow of electricity? Conductors
12. What do we call materials that do not allow the flow of electricity? Insulators