Magnets & Static Electricity

Front

What is a magnetic field?

Back

A magnetic field is an invisible area around a magnet where magnetic forces can be felt.

Front

What materials can magnets attract?

Back

Magnets can attract materials like iron, nickel, and cobalt.

Front

What is an electromagnet?

Back

An electromagnet is a type of magnet that is created when electricity flows through a wire.

Front

What do you need to make an electromagnet?

Back

To make an electromagnet, you need a wire, a battery, and a metal object like a nail.

Front

What happens to the magnetic field when you turn off the electricity to an electromagnet?

Back

The magnetic field disappears when the electricity is turned off.

Front

What is static electricity?

Back

Static electricity is the build-up of electric charge on the surface of objects.

Front

What happens to your hair when you touch a Van de Graaff generator?

Back

Your hair stands up because all the hairs have the same charge.

Front

What is the purpose of a battery in an electromagnet?

Back

The battery provides the electrical energy needed to create the magnetic field.

Front

Can aluminum stick to a magnet?

Back

No, aluminum cannot stick to a magnet because it is not a magnetic material.

Front

What is one use of electromagnets?

Back

Electromagnets are used in doorbells to make them ring.