Electromagnets

What do you need to make a simple electromagnet?

• A balloon, string, and scissors

• A magnet, water, and sand

• A battery, copper wire, and an iron nail

• A plastic rod, string, and a light bulb

What happens when you connect the wire to the battery?

• Nothing happens

• The wire gets cold

• The nail becomes magnetic

• The wire turns into a snake 🐍

What is the purpose of wrapping the wire around the nail?

• It looks cool

• To make the nail spin

• To create a stronger magnetic field

• So the wire doesn’t fall off

When you turn off the electric current, what happens to the magnetism?

• It gets stronger

• It disappears

• It starts glowing

• It turns into electricity

True or False: An electromagnet is a permanent magnet.

• True

• False

True or False: You can make a stronger electromagnet by using more wire coils.

• True

• False

What is a solenoid?

• A sandwich

• A type of screwdriver

• A coil of wire that acts like a magnet when electricity flows through it

• A type of battery