What happens to magnets when like poles are placed together?

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
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