Electromagnetism

A north pole and a south pole will attract.

• True
• False

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NGSS.MS-PS2-3

NGSS.MS-PS2-5

A magnet cannot not move which of the following objects?

• a paper clip
• a nail
• a toothpick
• a staple

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NGSS.MS-PS2-3

NGSS.MS-PS2-5

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.

Earth acts like a giant magnet because its center is made up MOSTLY of

• granite
• limestone
• iron
• nickel

True or False: All metals stick to magnets.

• True
• False

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NGSS.MS-PS2-3

NGSS.MS-PS2-5

When two magnets repel, they ________________

• change color
• pull together
• push apart
• get colder

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NGSS.MS-PS2-3

NGSS.MS-PS2-5

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

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Which of these is attracted to a magnet?

• iron nail
• copper penny
• piece of paper
• notebook

Tags

NGSS.MS-PS2-3

Magnets will stick to refrigerator doors because the doors are 

• Painted with plastic.
• Made of metal.
• Easy to open. 
• Heavy.

Which is NOT a use of magnets?

• Generating electricity
• Holding cabinet doors closed
• Sorting paper from plastic
• Storing information on computer hard drives.