Magnetism Learning Check

Where is the strongest attracting or repelling force of the magnet?

• at the poles

• in the middle

• above the magnet

• below the magnet

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

• granite
• limestone
• iron
• nickel

Magnetism is generated by moving

• protons.
• electrons.
• neutrons.
• elements.

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As the distance between two magnets increases (they get farther apart), the force between them:

• Increases
• Decreases
• Stays the Same

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If you cut a magnet in half, what happens to the poles?

• One half gets the North Pole, the other half gets the South Pole
• Both halves get only a North Pole
• Both halves get only a South Pole
• Both halves get a North pole and a South Pole

What characteristics do magnetic substances have?

• They can give you a "shock" when you touch them
• They can push or pull objects without touching them
• They are always black and cold to touch
• They fall faster than other objects when you drop them

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The two poles on a magnet are

• east and west

• positive and negative

• north and south

• negative and neutral

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

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Where is Earth's magnetic field strongest?

• Along the outside lines
• Along the inside lines on either side
• Where the lines are close together at the poles
• In the space outside of the lines

Surrounding every magnet is a __________ __________.

• magnetic field

• electrical current

• another magnet

• kinetic field

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