50 POINTS IF YOU ANSWER THE QUESTIONS!!! ANY DUMB ANSWERS WILL BE DELETED AND REPORTED!!!
1. Static electricity can _____ when atoms of opposite charge come close to each other. 2. Lightning is a large atmospheric discharge of _____ electricity. 3. Lightning rods and chains hung from trucks direct static electricity _____.
into heavy electrical cables
into the structure of the house or truck
into the ground
into the atmosphere
4. Electric current is produced when ____ move(s) through a _____. 5. The four best metallic conductors are:
gold
cadmium
alloys
copper
silver
sodium
aluminum
iron 6. The loss of electric power in a large area is called a(n) _____ . 7. Which devices can overtax a community's electric power?
air conditioners
traffic signals
generators
computers
8. Where does electrical energy ultimately come from?
generators
conversion from mechanical and/or chemical energy
power plants
9. The transfer of electrons through a medium connecting dissimilar electrodes is the basis of all modern portable power sources called _____ and _____.
