Lesson 27

What does a magnet attract?

• Plastic

• Wood

• Iron

• Water

What happens when you bring opposite poles of two magnets together?

• Nothing happens

• They attract each other

• They detach

• They repel each other

What is an electromagnet?

• A permanent magnet

• A magnet used only in motors

• A magnet that can be turned on and off with electricity

• A type of natural magnet

What did Michael Faraday discover?

• That all metals are magnetic

• That magnets can only attract metal

• That electricity can produce a magnetic field

• That magnets can float in the air

Where do you find electromagnets in your home?

• In light bulbs

• In electric motors

• In wooden furniture

• In plastic toys