WHAT ARE MAGNETS? LESSON 5. USE YOUR BOOK.

1.  People use magnets everyday.  This statement is ___.

• True
• False
• Somewhat true
• Somewhat false

2. Magnets can be found in ___.

• plants, animals, people
• everything
• computers, tvs, speakers, microwave ovens
• just computers

3.  Two things that can affect a magnet's pull are ___ & ___.

• high & low
• the earth's rotations & revolutions
• the sun & moon
• barriers & distance

4. A ___ is an object that attracts iron and a few other metals.

• mineral
• magnet
• Mobius loop
• computer

5. A barrier would something like a ___, which can weaken a magnet's pull.

• compound solution
• distant rock
• blocker
• magnetic substance

6. Which of the following might reasonably act as a barrier in making a simple magnet's pull weaker?

• dog with a bone
• piece of poster board
• a large black car
• computer

7.  Which of the following below might be a reasonable idea as to why a magnet will not pick up an item?

• The item is made of iron.
• The item may be too far away.
• The item is purple.
• The item is near a computer.

8.  Where is a magnetic field the strongest on a bar magnet?

• at the poles
• in the middle
• at one end
• none of these

9.  The space around the magnet in which the force of the magnet acts is known as the ___.

• force field
• north and south poles
• strong part
• magnetic field

10.  The ends of a bar magnet are referred to as ___.

• ends
• points
• poles
• attracting