Electromagnets and Magnetism

Front

What is an electromagnet?

Back

An electromagnet is a type of magnet that is created by electric current. It can be turned on and off.

Front

How can you turn an electromagnet on or off?

Back

You can turn an electromagnet on or off by controlling the electric current flowing through it.

Front

What are the two poles of a magnet called?

Back

The two poles of a magnet are called the North pole and the South pole.

Front

What happens when like poles of magnets are brought together?

Back

Like poles of magnets repel each other.

Front

What happens when opposite poles of magnets are brought together?

Back

Opposite poles of magnets attract each other.

Front

What materials are commonly used to make electromagnets?

Back

Common materials used to make electromagnets include wire, iron, and a power source.

Front

What is the effect of adding more wire coils to an electromagnet?

Back

Adding more wire coils increases the strength of the electromagnet.

Front

What is the role of a power source in an electromagnet?

Back

The power source provides the electric current needed to create the magnetic field in an electromagnet.

Front

Can you use a toothpick to make an electromagnet?

Back

No, a toothpick is not a part of an electromagnet.

Front

True or False: Using more coils increases the strength of the electromagnet.

Back

True.