6. Which magnetic poles attract each other?
7. Why couldn't you make a compass out of a strip of plastic?
8. What causes the compass to change direction when a wire carrying battery current is held over the needle?
9. List the materials you would need and tell how you would build a homemade compass.
10. Tell what you enjoyed most about becoming acquainted with mysterious magnetism.
LESSON NO. B-14
Credit Points 2