HMH K2 Magnetism Review

What is magnetism commonly referred to as?

• The force in which objects are either attracted or repelled from one another
• the force in which objects are only attracted to one another
• the force in which causes objects to become non-polarized
• the force in which objects are only repelled from one another

What will happen when these magnets are brought close together?

• They will attract each other.
• They will repel each other.
• Both magnets will turn to the left
• Both magnets will turn to the right

True or False: All metals stick to magnets.

• True
• False

How is a permanent magnet DIFFERENT from a temporary magnet?

• A permanent magnet attracts materials made of iron.
• A permanent magnet has poles.
• A permanent magnet has a magnetic field.
• A permanent magnet keeps its magnetism for a long time.

Heavy is related to light in the same way that attract is related to__________.

• pull
• repel
• magnet
• bright

What is our best evidence that Earth has a magnetic field?

• All things fall toward Earth's center
• A compass needle lines up with it
• Winds blow from east to west
• Earth's oceans all have currents

You know this substance is magnetized because

• all the domains have right angles
• the arrows are drawn in red
• the domains are aligned
• the domains are random

What items will a magnet attract?

• Beach ball, glass
• nails, paper clip
• book, paper
• golf ball, glue

This substance is

• magnetizecd
• unmagnetized
• positively charged
• negatively charged

Which of the following is NOT naturally magnetic?

• iron

• copper

• nickel

• cobalt