FOSS: Energy Investigation 3 review

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 and off?

Back

By controlling the electric current flowing through it.

Front

What materials are typically used to make an electromagnet?

Back

Copper wire and a ferromagnetic core, such as iron.

Front

What happens when you add more wire coils to an electromagnet?

Back

The strength of the electromagnet increases.

Front

What is the North Pole of a magnet?

Back

The end of a magnet that is attracted to the Earth's North Pole.

Front

What is the South Pole of a magnet?

Back

The end of a magnet that is attracted to the Earth's South Pole.

Front

What do like poles of a magnet do?

Back

Like poles (North-North or South-South) repel each other.

Front

What do opposite poles of a magnet do?

Back

Opposite poles (North-South) attract each other.

Front

What are the three minerals that are attracted to a magnet?

Back

Iron, nickel, and cobalt.

Front

What is a series circuit?

Back

A circuit where components are connected in a single path, so the same current flows through all components.