Magnets and Electromagnets

How are electromagnets different from magnets?

• magnets can be turned on/off
• you can turn an electromagnet on/off
• magnets are more powerful
• magnets have a North and South pole

Tags

NGSS.MS-PS2-3

Like poles on a magnet

• attract
• repel

Unlike poles on a magnet

• repel
• attract

Tags

NGSS.MS-PS2-3

What is this?

• magnet
• electromagnet
• series circuit
• parallel circuit

Tags

NGSS.MS-PS2-3

The Earth produces its own magnetic field.  True or false?

• False
• True

What is magnetism?

• invisible objects coming together
• a force that either attracts or repels certain materials
• full of electricity
• metals

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

Using more coils increases the strength of the electromagnet.

• true
• false

Surrounding every magnet is a __________  __________.

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

Tags

NGSS.MS-PS2-3

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