Unit 2, Module 3, Lesson 1: Magnetic Forces

Front

What is the invisible force field surrounding a magnet called?

Back

A magnetic field.

Front

What happens when opposite poles of a magnet are brought together?

Back

They attract.

Front

What is the term for the area around a magnet where magnetic forces can be felt?

Back

Magnetic field.

Front

How does the magnetic force between two magnets change with distance?

Back

The magnetic force gets weaker the more distance there is between them.

Front

Which metals can be attracted to magnets?

Back

Metals such as iron, nickel, and cobalt.

Front

What are the two types of magnetic poles?

Back

North pole and South pole.

Front

What happens when like poles of a magnet are brought together?

Back

They repel each other.

Front

What is an electromagnet?

Back

A type of magnet in which the magnetic field is produced by an electric current.

Front

What is the relationship between electricity and magnetism?

Back

Electricity can create a magnetic field, and a changing magnetic field can induce an electric current.

Front

What is the unit of measurement for magnetic field strength?

Back

Tesla (T).