Electromagnet Review

What will make the strength of an electromagnet stronger?

• A larger battery

• Wrap more coils around the nail.

• Use a smaller battery

• Detach the wire.

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Which objects are magnetic?

• Nickel

• Paper

• Iron

• Plastic

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Which objects are non-magnetic?

• Nickel

• Paper

• Iron

• Plastic

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Which part of the electromagnets turned into a magnet when electricity flows through a coiled wire?

• Battery

• Copper wire

• Iron Nail

• Bulb

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When two like poles get together they....

• attract

• repel

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Which part of the electromagnet produces a magnetic field?

• Battery

• Coiled copper wire

• Bulb

• Iron nail

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What would happen if you took one end of the wire off the battery?

• The nail will be a magnet.

• The nail would no longer be a magnet

• Nothing will happened.

• The nail will heats up.

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What is the role of the battery in the electromagnet?

• It provides light energy for the electromagnet.

• It provides magnetic field for the electromagnet.

• It provides sound energy for the electromagnet.

• It provides the power source for the electromagnet.

When two unlike poles get together they...

• attract

• repel

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What are the components of the electromagnets?

• battery, wire and bulb

• battery , copper wire and paper clips

• battery, copper wire and iron nail

• battery, wire and aluminum