Download Magnet Study Guide - Coweta County Schools

Magnet Study Guide
Name___________________________
1. Earth’s magnetic field is most like the magnetic field of a _________________.
2. For a horseshoe magnet, the magnetic force is strongest at the ___________.
3. Would a magnet attract a glass bottle, a piece of paper, a metal paper clip, or a
rubber band?
4. What happens when two bar magnets repel each other?
5. If you have two bar magnets, you could create the strongest magnetic pull by
placing the north __________ and south ___________ next to one another.
6. A magnet will attract scissors if the scissors contain ____________________.
7. How do you magnetize a steel rod?
________________________________________________________________
8. What is the difference between a permanent magnet and a temporary magnet?
9. What will happen if you place two north poles together?
10. What did William Gilbert discover in the 1600s that is still true today?
11. Is a magnetized iron nail, a magnetized paper clip, a refrigerator magnet, or
sandstone a permanent magnet?
12. What resource should you look in to find out information about the earliest
compasses made in China?
13. If a magnet attracts a nail, then you know the nail must contain ___________.
14. Why can a piece of lodestone be used as a compass needle?
15. How does a compass work?
16. Which type of rock is naturally magnetic? _____________________________
17. If two unmarked poles are placed next to one another and the magnets repel,
what can you conclude about the poles?
18. What do the iron fillings show in the picture below?
19. If you want to find out more about Earth’s magnetic poles, which is the best
source to use? ___________________
20. If several lab groups are conducting investigations with magnets and all of
the magnets being used are the same size and strength, will the results be slightly
or extremely different?