Quiz on Magnets and Plants

What does a magnet create?

• Light energy

• An electric field

• A magnetic field

• A gravitational field

Which materials are attracted to magnets?

• Copper, aluminium, and gold

• Iron, nickel, and cobalt

• Silver, lead, and tin

• Wood, plastic, and glass

What happens when you bring a north pole and a south pole of a magnet together?

• They attract

• They repel

• They lose their magnetism

• They become stronger

Which tool uses magnets to show direction?

• Thermometer

• Microscope

• Compass

• Barometer

What do iron filings show around a magnet?

• The shape of the magnetic field

• The temperature of the magnet

• The strength of the magnet

• The mass of the magnet

What happens when two south poles of magnets are placed close together?

• They attract

• They repel

• They create electricity

• Nothing happens

Which of these is NOT a common use of magnets?

• Fridge doors

• Speakers

• Light bulbs

• Electric motors

What is needed to make an electromagnet?

• A coil of wire and electricity

• A battery and wood

• A light bulb and copper

• A bar magnet and water

What makes an electromagnet stronger?

• Decreasing the number of coils

• Using a plastic core

• Increasing the electric current

• Cooling it down

Which of the following uses electromagnets?

• Cranes

• Thermometers

• Solar panels

• Fans