Electromagnets

In order to magnetize an object for electromagnetism, it needs to have iron or steel (ex. a rod or nail).

• True

• False

Tags

NGSS.MS-PS2-3

Electromagnets do NOT have a north and south pole.

• True

• False

Electromagnets can be turned on and off.

• True

• False

Electromagnets need a power source.

• True

• False

Electricity is needed for electromagnets.

• True

• False

Tags

NGSS.MS-PS2-3

What are the components of the electromagnets?

• battery, wire and bulb

• battery , copper wire and paper clips

• battery, copper wire and iron nail

• battery, wire and aluminum

Electric currents produce _____________

• electron clouds

• magnetic fields

• sound waves

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Surrounding every magnet is a __________  __________.

• magnetic field
• electrical current
• another magnet
• an enemy

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What are the ends of a magnet called?

• East and west poles
• Left and Right ends
• North and South ends
• North and South poles

This is a picture of a simple electromagnet. How can the electromagnet be made stronger?

• Add more coils of wire to the nail.
• Use a smaller battery.
• Reverse the poles of the magnet.
• Remove all the coils and the nail.

Tags

NGSS.MS-PS2-3