Magnets and Electricity

What kind of magnet can be turned on and off?

• refridgerator magnet
• electromagnet
• magnetite
• iron

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

Tags

NGSS.MS-PS2-3

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

• Increases
• Decreases
• Stays the Same

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

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

• Increases
• Decreases
• Stays the Same

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

If two magnets have their North Poles facing each other then what will happen?

• They will attract.

• They will drift.

• They will explode.

• They will repel.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

If opposite ends of two magnets were facing each other, what would the magnets do?

• repel

• drift

• attract

• explode

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Why does a compass needle point north?

• Because it is being attracted to the Magnetic South Pole

• Because north is up

• Because it is being attracted to the Magnetic North Pole

• Because north is down

Tags

NGSS.MS-PS2-3

You know this substance is magnetized because

• all the domains have right angles
• the arrows are drawn in red
• the domains are aligned
• the domains are random

What happens to the strength of an electromagnet as you add more coils around it?

• Increases
• Decreases
• Stays the same
• Stops completely

Tags

NGSS.MS-PS2-3

Which electromagnet is stronger?

• A

• B

Tags

NGSS.MS-PS2-3