Electromagnets Review

Which type of magnet is man made?

• Magnet

• Electromagnet

How can you make an electromagnet stronger?

• Changing the wire

• Changing the core

• Using a stronger magnet

• ALL

True or False: You cannot turn an electromagnet's magnetic field on and off

• True

• False

The more current is sent through the wires the _____ the electromagnet is.

• Weaker

• Stronger

Which of these household items is not an electromagnet?

• Vaccum

• Blender

• Doorbells

• Fridge

True or False: You can make an electromagnet by wrapping a wire around a magnet.

• True

• False

True or False: You have to use insulated wire to build an electromagnet

• True

• False

What type of metal is stronger iron or nickel?

• Iron

• Nickel

What type of wire will make a stronger electromagnet?

• Thicker

• Thinner

Bigger items like vacuums and blenders use ____ as an energy source

• Batteries

• Generators