Electromagnetism

What is magnetic force?

• A force exerted by electrically charged particles

• The attractive and repulsive forces between two poles

• A force exerted by magnets that makes an object become electrically charged

• A force exerted by a magnet only when it physically touches an object

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Particles with opposite charges ____________ and particles with same (or like) charges ____________.

• attract, repel

• repel, repel

• attract, attract

• repel, attract

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What happens if you cut a magnet in half?

• Nothing

• The magnets repel

• There will be two magnets

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True or false: All objects made of iron, nickel, and cobalt are magnetic material?

• True

• False

The picture above is an example of what?

• Magnetic field

• Electric field

• Repulsion

• Attraction

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What would happen with the magnets in the picture above?

• They would repel

• Nothing

• They would attract

• They would repel and then attract

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Why are these magnets not touching?

• They are like poles and are repelling

• They are opposite poles and are repelling

• There is an electric field

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Why are magnetic fields considered closed loops?

Why are Magnetic fields so important for life on Earth

What is an electric charge