1. What happens to magnets when like poles are placed together?
They repel.

2. How can you tell that a paperclip has been made into a temporary magnet?
The paperclip will attract another paperclip or many metal that is normally attracted to magnet.

3. The magnet is made up of more than 1 magnet.
What does it mean if the Magnetic Field Viewer shows that a magnet has more than two poles?
The magnet is made up of more than 1 magnet.

4. How many poles does a single magnet have?2

5. What happens to the poles of a magnet if it is cut in half?
The two parts each become magnets having a North and South Pole.

6. What properties do objects attracted by a magnet all have in common?
They are all made of metal.

7. What happens to magnets when unlike poles are placed together?
They attract.

8. Which magnet showed that it had more than 2 magnets when viewed under the Magnetic Field Viewer?
The button magnet

9. What will happen to a magnet if it is dropped on a hard surface?
The magnet will become demagnetized.

10. What can be made into a temporary magnet?
Any metal object that is attracted to a magnet.

11. Name some things that magnetism will pass through:
Sponge
Aluminum Bar
Brass Bar
Plastic
Tongue Depressor
Wooden Bar

12. Which part of the magnet has the strongest pull?
The North and South Poles

13. What will happen if the South pole of 1 magnets is brought together with the North pole of another magnet?
They will attract.

14. How can you make a temporary magnet out of a nail?
Rub the nail with a magnet
repeatedly in the same direction.

15. What would the domains look like inside a paperclip that was made into a temporary magnet but then hit with a hammer?

16. What is a temporary magnet?
When a metal object becomes a magnet only for a short time.

17. How can you measure the strength of a magnet?
1.Take a paperclip and make a hook out of it.
2. Allow the hook to attract to a magnet.
3. Once it is attracted to the magnet, hang paperclips on the hooked paperclip. Do this until the hooked paperclip falls from the magnet.
4. Count the number of paperclips that the hooked
paperclip held before it fell. The magnet that holds
the most is the strongest.

18. What will happen if the South poles of 2 separate magnets are brought together?
They will repel.

19. Which picture best represents the magnetic field around a magnet?

20. What is a magnetic field?
The invisible field around a
magnet. It is made up of lines of
force, which form closed loops
from pole to pole.

21. How can a magnet become demagnetized?
By dropping it on a hard surface
By hitting it with a hard object
By heating it

22. Name the 3 types of metals that are attracted to a magnet:
Cobalt
Iron
Nickel