What are Magnets Article Quiz

What are magnets?

• Rocks or metals that create an invisible field

• Objects that attract other magnets and certain metals

• Devices that use electricity to create motion

• Materials that can become magnetic

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What are the two poles of a magnet called?

• North and south

• East and west

• Positive and negative

• Top and bottom

What happens when opposite poles of two magnets are near each other?

• They attract each other

• They repel each other

• They create a magnetic field

• They become stronger magnets

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Which materials can become magnetic?

• Iron, cobalt, and nickel

• Gold, silver, and copper

• Plastic, glass, and wood

• Aluminum, tin, and zinc

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What is Earth's magnetic field called?

• Magnetosphere

• Magnetron

• Magnetic core

• Magnetic force

Why does a compass always point north?

• The compass needle is attracted to Earth's magnetic North Pole

• The compass needle is repelled by Earth's magnetic North Pole

• The compass needle is attracted to Earth's magnetic South Pole

• The compass needle is repelled by Earth's magnetic South Pole

What is the secret behind a magnet's power?

• Its atomic structure

• Its size and shape

• Its color and texture

• Its temperature and pressure

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What is the relationship between electricity and magnetism?

• They are part of a single force called the electromagnetic force

• They have no relationship

• Electricity creates magnetism

• Magnetism creates electricity

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Who discovered electromagnetism?

• Hans Christian Oersted

• Albert Einstein

• Thomas Edison

• Isaac Newton

What are electromagnets used for?

• Lifting scrap metal

• Creating pictures of patients' organs

• Generating electricity

• Floating high-speed trains