Magnetism Practice

What is a magnetic field?

• The area around a magnet where its force can be felt

• A type of electric field

• The space around a magnet where its force disappears

• A region around a magnet where it can attract or repel other magnets

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What creates a magnetic field?

• The alignment of a magnet's magnetic domains

• Friction between two objects

• Heat generated by a magnet

• The movement of electric charges

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How do magnetic fields interact with magnets?

• They attract or repel other magnets depending on their poles

• They have no effect on other magnets

• They only attract other magnets

• They always repel other magnets

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What happens when like poles of magnets are brought close together?

• They attract each other

• They cancel each other out

• They repel each other

• Nothing happens

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Define electromagnetic waves.

• Visible waves that carry sound

• Waves that can only travel through solid materials

• Invisible waves that can travel through space and carry energy

• Waves that are only found around magnets

Provide an example of electromagnetic waves.

• Ocean waves

• Microwaves

• Vibrations in a string

• Sound waves

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How do electromagnetic waves exert forces on objects?

• By causing chemical reactions

• By transferring heat to the objects

• By pushing or pulling on objects they encounter

• Electromagnetic waves do not exert forces on objects

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What affects the amount of force exerted by electromagnetic waves?

• The intensity or strength of the waves

• The age of the waves

• The color of the waves

• The temperature of the environment

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