Magnets Review

Which of the following objects will a magnet be able to attract?

• Copper rod

• Iron nail

• Wooden stick

• Aluminium foil

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Which direction does a freely suspended magnet rest at?

• North East

• South West

• North South

• East West

Like poles ___________

• attract

• repel

Unlike poles ___________

• attract

• repel

Which of the following objects can be made into a temporary magnet by the stroke method?

• Copper wire

• Plastic spoon

• Wooden ruler

• Steel rod

Which of the following set-ups will produce the strongest electromagnet?

• 1 battery, 20 coils

• 1 battery, 30 coils

• 2 batteries, 20 coils

• 2 batteries, 30 coils

When stroking an iron nail to make it a magnet, you must always stroke with the ________________________.

• different poles in one direction

• different poles in two directions

• same pole in one direction

• same pole in two directions

A magnet is strongest at its ________.

• middle

• poles

To make an electromagnet through the electrical method, there must be a ________________.

• bar magnet

• iron nail

• steel rod

• source of electricity (eg. batteries)

An electromagnet will not work when there is no electricity. True or false?

• True

• False