Electromagnetism

Where is the force of attraction the strongest on a magnet?

• at the poles
• in the middle
• above the magnet
• below the magnet

A device that uses a free-moving magnetic needle to show direction is a:

• lodestone
• magnet
• compass
• magnetic field

Which object would a magnet attract?

• a glass bottle

• a piece of paper

• a metal paper clip

• a rubber eraser

  magnetic field

What happens when two bar magnets repel each other?

• The poles of the magnets pull toward each other.
• The poles of the magnets push away from each other.
• The centers of the magnets pull toward each other.
• The centers o the magnets push away from each other.

A magnet will attract scissors if the scissors contain:

• copper

• aluminum

• gold

• nickel

How is a permanent magnet DIFFERENT from a temporary magnet?

• A permanent magnet attracts materials made of iron.
• A permanent magnet has poles.
• A permanent magnet has a magnetic field.
• A permanent magnet keeps its magnetism for a long time.

Which is a permanent magnet?

• a magnetized iron nail

• A magnetized paper clip

• a refrigerator magnet

• sandstone

What object is attracted to a magnet?

• Silver

• Water

• Metal

• Iron

A north pole and a south pole will attract.

• True
• False

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

True or False: All metals stick to magnets.

• True
• False

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5