Magnetic Forces

Front

What does the needle in a compass align with?

Back

The Earth's magnetic field.

Front

What produces Earth's magnetic field?

Back

The Earth's iron core.

Front

Which diagram would produce the strongest magnetic force?

Back

Diagram D.

Front

What is the result of like magnetic poles interacting?

Back

Repulsive force.

Front

What is the result of opposite magnetic poles interacting?

Back

Attractive force.

Front

What are magnetic field lines?

Back

Imaginary lines that represent the strength and direction of a magnetic field.

Front

What is a magnet?

Back

An object that produces a magnetic field.

Front

What are the two types of magnetic poles?

Back

North and South poles.

Front

What happens to a compass needle when it is near a magnet?

Back

It aligns itself with the magnetic field of the magnet.

Front

What is the relationship between electricity and magnetism?

Back

Electricity can produce a magnetic field, and a changing magnetic field can produce electricity.