Magnetic Fields Study Guide

Front

What is a magnetic field?

Back

A magnetic field is a region around a magnetic material or a moving electric charge within which the force of magnetism acts.

Front

What are the two types of magnetic poles?

Back

North pole and South pole.

Front

What happens when two north poles are brought together?

Back

They repel each other.

Front

What happens when a north pole and a south pole are brought together?

Back

They attract each other.

Front

What is the function of a compass?

Back

A compass is used to determine direction by aligning itself with the Earth's magnetic field.

Front

Why does a compass needle point north?

Back

Because the North end of the compass lines up with the Earth's magnetic south pole.

Front

What is the rule for magnetic pole attraction and repulsion?

Back

Like poles repel each other, while opposite poles attract each other.

Front

What is the Earth's magnetic field?

Back

The Earth's magnetic field is the magnetic field that extends from the Earth's interior out into space, where it interacts with solar wind.

Front

What is a bar magnet?

Back

A bar magnet is a rectangular piece of magnetic material that has a north and south pole.

Front

What is magnetic force?

Back

Magnetic force is the attraction or repulsion that arises between charged particles due to their motion.