Year 8 - Electromagnets

What subject is attracted to a magnet?

• Silver
• Water
• Metal
• Iron

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What happens when two north poles of a magnet are placed together?

• they repel
• they attract
• they cancel each other out
• the strength of the magnet is doubled

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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

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

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

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A force of attraction or repulsion between the poles of two magnets.

• magnets

• magnetic poles

• magnetic force

• magnetic fields

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The invisible field that surrounds a magnet.

• magnets

• magnetic poles

• magnetic force

• magnetic fields

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a magnet that quickly loses its magnetic field after being removed from a magnetic field

• temporary magnet

• permanent magnet

a magnet that remains a magnet after being removed from a magnetic field

• temporary magnet

• permanent magnet

Why does a compass needle point north?

• The compass is a bar magnet
• Because north is up
• Because it's magic
• It lines up with the Earth's magnetic field

A _______________ is a current-carrying coil of wire with many loops

• electromagnet
• solenoid
• magnet
• compass

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