Magnetism

Front

Why does Earth act like a giant magnet?

Back

Its center is made up mostly of iron.

Front

Where is the strongest attraction force of the magnet? Options: at the poles, in the middle, above the magnet, below the magnet

Back

at the poles

Front

Magnetism is generated by moving

Back

electrons.

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

Front

As the distance between two magnets increases (they get farther apart), the force between them:

Back

Decreases

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Front

If you cut a magnet in half, what happens to the poles?

Back

Both halves get a North pole and a South Pole

Front

What characteristics do magnetic substances have?

Back

They can push or pull objects without touching them

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Front

What kind of magnet can be turned on and off?

Back

electromagnet

Front

The two poles on a magnet are: north and east, north and west, south and north, south and west

Back

south and north

Front

Electricity can be used to create a magnet.

Back

True

Tags

NGSS.MS-PS2-3

Front

How can you make an electromagnet stronger?

Back

All of these: increasing the current through the wire, making the iron core bigger, increasing the number of loops around the core.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5