Unit 4, Lesson 2: Magnetism

By Jason Clark
Last updated over 7 years ago
13 Questions
Note from the author:
McGraw Hill - Imagine It - 4th grade

'Rarely' means about the same as

The Earth has a hot iron 'core.' The 'core' of something is its

An electric 'current' can produce its own magnetic field. In this sentence, a 'current' is a

There is no 'friction' from wheels on rails on a magnetic train. 'Friction' is

Opposite poles 'attract'. 'Attract' means

What are most magnets made of?

What is the push or pull of a magnet called?

What makes a compass work?

Which of these has an electromagnet in it?

A North pole of a magnet will always be attracted to

How does the Earth act like a huge magnet?

Why is a magnetic train faster than an ordinary train?

In what form is iron usually found?