magnet

magnet

​

Multiple Choice

What type of this magnet?

• u-shaped magnet

• bar magnet

• ring magnet

• button magnet

Multiple Choice

A magnet will pick up an object that is made of...

• plastic

• iron or steel

• glass

• copper

Multiple Choice

Which direction does a compass always point?

• north

• south

• east

• west

Multiple Choice

The strongest parts of the magnet are ...

• fronts

• backs

• poles

• middle

Multiple Choice

What is the purpose of a compass?

• to tell you directions

• to tell how far you have walked

• to tell what time you left

• to tell where the sun is

Multiple Choice

Bar magnets have two poles. What are they?

• north and south

• red and blue

• east and west

• red and green

Multiple Choice

What happens if you hold the north poles of two different magnets close to each other?

• They will attract each other

• They will repel each other

• They will grow very hot

• Nothing will happen

Multiple Choice

This large crane magnet functions only when the electrical current is ON.  The crane magnet is an example of what type of magnet?

• NIB Magnet

• Ceramic Magnet

• Electromagnet

• funnel magnet

Multiple Choice

Once a paperclip touches a magnet and becomes a magnet itself, does a paperclip STAY that way? Or does it stop being a magnet?

• stay that way forever

• stop being a magnet

• stay that way for a short time

Multiple Choice

Nisya has a button magnet. She put her magnet near the computer. In what way would this affect the magnet?

• the magnet become stronger.

• the magnet may repel the computer

• the magnet may damage the computer

• the computer turn on.

Multiple Choice

Nino has a horseshoe magnet. Each pole of Nino's magnet can attract 6 iron thumbtack end to end. Vira has a bar magnet. Each pole of Vira's magnet can attract 4 iron thumbtack end to end. Whose magnet is weaker?

• Vira

• Nino

• Both magnet strong

• Both magnet weak

Multiple Choice

What will happen when these magnets are brought close together?

• They will attract each other.

• They will repel each other.

• Both magnets will turn to the left

• Both magnets will turn to the right

Multiple Choice

The diagram shows an arrangement of three magnets. The poles of the magnets are labelled A, B, C, D, E and F respectively.

Which one of the following arrangements of the three magnets is possible?

Multiple Choice

The diagram shows what happens when bars X and Y are brought near to each other.

Which one of the following statements is correct?

• X is a magnet but Y is a magnetic material.

• Both X and Y are magnets.

• X is made of aluminium but Y is made of iron.

• Both X and Y are made of non-magnetic materials.

Multiple Select

The types of metals that can be attracted by magnets are ...

• iron

• nickel

• cobalt

• copper

• aluminium

Multiple Choice

Lily attached a magnetised iron bar P to a string and placed magnet Q near to it. She observed that iron bar P moved in the direction as shown in the diagram.

Which of the following actions would cause iron bar P to move further away from magnet Q?

A : Heat iron bar P over a flame.

B : Drop iron bar P onto the ground for a few times.

C : Bring it closer to another magnet with the same pole

• B only

• C only

• A and B only

• A, B and C

Multiple Choice

Bob placed Magnet X on Car 1 and Object Y on Car 2 as shown. He observed that the cars moved away from each other when they were placed near each other.

Which of the following statement about Object Y is correct?

• Object Y is a non metal.

• Object Y is a magnetic material.

• Object Y is a magnet.

• Object Y is a non-magnetic metal.