Magnetism Worksheet

What is a magnet?

• A material that is repelled by magnets

• A material that is attracted to magnets

• A material that gives off an attractive or repulsive force

• A material that gives off an external magnetic field

What is the magnetic force between magnetic objects?

• Always attractive

• Depends on the distance between the magnets

• Always repulsive

• Can be attractive or repulsive

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Where is the magnetic force strongest?

• At the center of the magnet

• At the magnetic poles

• At the edges of the magnet

• At the equator

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What is a magnetic field?

• An external force generated by a magnet

• A force that can be applied over a distance

• A force that attracts or repels magnets

• A force given off by a magnet

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What is the direction of the magnetic field?

• East to West

• West to East

• South to North

• North to South

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What is the cause of Earth's magnetic field?

• The presence of magnetic materials in the Earth's core

• The interaction between the Earth and the Sun

• The rotation of the Earth

• The movement of tectonic plates

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What are magnetic domains?

• Atoms that attract each other

• Atoms that are not magnetic

• Atoms that are aligned to make a magnetic field

• Atoms that repel each other

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What is ferromagnetism?

• The phenomenon where objects become magnetized due to the flow of electric current

• The phenomenon where objects become magnetized due to the rotation of the Earth

• The phenomenon where objects become magnetized due to the presence of a strong magnetic field

• The phenomenon where objects become magnetized due to the alignment of poles within their atoms

How can moving electric charge produce a magnetic field?

• By generating a clockwise magnetic field

• By generating a counterclockwise magnetic field

• By generating a magnetic field that repels magnets

• By generating a magnetic field that is attracted to magnets

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What is an electromagnet?

• A magnet that can only attract nonmagnetic materials

• A magnet that can only attract magnetic materials

• A temporary magnet made by placing a piece of iron inside a current carrying coil of wire

• A permanent magnet made of iron