Magnetism and Electric Current

Magnetism is caused by ________________. 

• protons in the nucleus

• the motion of electric charges

• light waves striking certain rocks

• magic

Tags

NGSS.MS-PS2-3

Moving a magnet next to a wire causes ____________. 

• the wire to catch fire

• nonmetals to be repelled

• a gravity wave

• an electric current

Tags

NGSS.MS-PS2-3

Current is...

• moving protons
• moving electrons
• measured in volts
• measured in ohms

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

Which electromagnet is stronger?

• A

• B

Tags

NGSS.MS-PS2-3

Which electromagnet is stronger?

• A

• B

Tags

NGSS.MS-PS2-3

Which electromagnet will pick up LESS paper clips?

• A

• B

Which electromagnet will pick up MORE paperclips?

• A

• B

Tags

NGSS.MS-PS2-3

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-ETS1-2

What kind of magnet can be turned on and off?

• refridgerator magnet
• electromagnet
• magnetite
• iron

In order for an electromagnet to be formed, an __________ current must pass through a coil of __________ wrapped around an ________ core.

• wire, iron, electric
• electric, wire, iron
• iron, electric, wire
• excited, hair, apple