The region in which a magnetic force acts is called a

• line of force

• pole

• magnetic field

• field of attractio

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NGSS.MS-PS2-5

An example of a ferromagnetic material is

• copper

• wood

• cheese

• nickel

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NGSS.MS-PS2-3

NGSS.MS-PS2-5

A coiled current carrying wire is called

• an electromagnet

• a solenoid

• a compass

• a ferromagnet

Unlike poles of different magnets

• attract each other

• cancel each other out

• repel each other

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NGSS.MS-PS2-3

NGSS.MS-PS2-5

Electromagnets can be

• turned on and off

• made stronger

• made from iron

• made weaker

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NGSS.MS-PS2-3

The magnetosphere

• surrounds the Earth

• Surrounds the sun

• is shaped by the solar wind (charged particles from the sun)

• doesn't exist

The magnetic field is strongest

• at the poles

• in the middle

• at the north pole

• at the south pole

THe north end of a compass needle always points to

• our geographic north pole

• our geographic south pole

• our magnetic north pole

• our magnetic south pole

Earth acts like a magnet because its core contains

• molton carbon

• solid nickel and iron

• rocks

• molten nickel and iron

Which of the following would be an example of an insulator?

• iron

• aluminum

• rubber

• silver