Unit 6 Review - Electricity and Magnetism

Magnets can be made from

• aluminum

• iron

• lead

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Which statement is NOT true about magnetic poles?

• The opposite poles attract each other.

• The same poles repel each other.

• All magnets have a north and south pole.

• All metals have a north and south pole.

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This current flows in one direction

• alternating current

• direct current

• magnetic current

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Which statement IS true?

• A compass is affected by Earth's magnetic field.

• A magnet's field gets weaker as you move closer to it.

• If domains point in the same direction, the object is not magnetic.

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Which material would be magnetic?

• a

• b

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The Earth is like a big bar magnet because...

• of the solar winds.

• it has an iron core.

• None of the above

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Magnets are strongest at...

• the North Pole only

• the South Pole only

• Both poles

• the middle

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Electricity and magnetism are known as

• contact force

• non contact force

• magnetic force

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The region around a magnet where magnetic forces act

• magnetic field

• poles

• attraction field

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Which is true about a magnetic field?

• It's found in all metals.

• It's a non-contact force that extends out in the form of a field and can't be seen.

• it's found inside the magnet.

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