Magnets Bourge

Which of the following materials will be attached to a magnet?

• Gold

• Silver

• Copper

• Iron

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To which of the following purposes would a magnet be best suited?

• Heating the water in a pot

• Sorting a mixture of iron shavings and black pepper

• Powering an electronic device

• Conducting electrical charge

When two magnets are brought close together, their magnetic __________ interact.

• fields

• poles

• force

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True or False: Like poles attract and opposite poles repel each other.

• TRUE

• FALSE

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Do all magnets have a north and south pole?

• YES

• NO

The north and south poles of two magnets will _______ each other.

• attract

• repel

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True or false: You can make a permanent magnet from an iron nail by rubbing it with a bar magnet.

• TRUE

• FALSE

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True or False: Paper clips can be turned into temporary magnets.

• TRUE

• FALSE

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Why is iron a suitable material for the core of a transformer?

• A. It is a metal                                               

                         

• B. It will not get hot   

•  C. It is easily magnetized     

•     D. It is an electrical conductor

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What characteristics do magnetic substances have?

• A. They can give a “shock” when you touch them.

• B. They can push or pull objects they are not touching.

• C. They are always black and cold to touch.

• D. They fall faster than other objects when you drop them

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