Science 7 SE2 Revision

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

A device that uses a free-moving magnetic needle to show direction is a:

• Ruler

• magnet

• compass

• magnetic field

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

What do the lines around this magnet represent?

• North Pole
• South Pole
• Magnetic Declination
• Magnetic Field

_{^{The magnet's shown will}}

• not move
• attract
• repel
• all of the above

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

• One half gets the North Pole, the other half gets the South Pole
• Both halves get only a North Pole
• Both halves get only a South Pole
• Both halves get a North pole and a South Pole

What part of the magnet is the strongest?

• North and South poles

• Just the North Pole

• Just the South Pole

• A magnet isn't strong

_________ magnets lose their magnetism quickly

• permanent

• temporary

• electromagnet

• ferromagnetic

which object would NOT attract a magnet?

• paper clip

• pin

• glass

• nail

what type of magnet is this?

• horseshoe

• u shaped

• bar