1. What opposite poles do when brought near each other
A. electromagnet
B. repel
C. attract
D. generator
2. A material that does not allow electricity to flow through it
A. resistor
B. volt
C. insulator
D. amp
4. A material that allows electricity to flow through it easily
A. resistor
B. generator
C. insulator
D. conductor
3. (True or False) Magnetic force is strongest at the center of a magnet.
A. True
B. False
