Magnetism

What type of items were magnetic in your magnetism Gizmo?

• Metal items

• Plastic items

• Wooden items

• Glass items

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Magnetic poles that are alike _______________ from each other.

• repel

• attract

• merge

• neutralize

Which of the following are the 4 metals that are magnetic?

• Iron, Nickel, Cobalt, Copper

• Iron, Nickel, Cobalt, Steel

• Iron, Nickel, Cobalt, Silver

• Iron, Nickel, Cobalt, Gold

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Are all metals magnetic?

• True

• False

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In this picture, the iron filings show the shape of the magnetic

• axis

• core

• field

• pole

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A student placed these two horseshoe magnets near each other on a table.

What will happen when she lets go of the two magnets?

• One side of the magnet will repel and the other side will attract

• The two magnets will repel and push apart

• The two magnets will attract and stick together

• The force will be cancelled between the magnets

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What is a magnetic field?

• an area surrounding magnetic material where magnetic forces occur

• a core area inside a magnetic material

• a collection of several similar magnetic materials

• an electrically charged object

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Scientists have created trains that use magnets to make the trains float above the tracks as they travel. These trains float because

• the track is waxed

• the like poles repel

• the train has low density

• a chemical change occurs

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How would the magnetic attraction between the north pole of one magnet and the south pole of another magnet change if the two magnets were moved farther away from each other?

• This is a trick question, north and south poles repel each other

• The attraction would decrease

• Magnetic attraction is not affected by distance

• The attraction would increase

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What does the digram show?

• the direction of a magnets force and the strength of a magnet

• the flow of air particles around a magnet

• the strength of the electrical force of a magnet

• the force of gravity around a magnet

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