Magnets and Magnetism Review

What is magnetism?

• A force exerted by magnets when they attract certain materials and repel others

• A force exerted by magnets when they attract or repel all materials

• A force exerted by magnets when they attract all materials

• A force exerted by magnets when they attract or repel certain materials

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What is the force called when magnets pull objects together?

• Gravity

• Attraction

• Repulsion

• Friction

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Which of the following materials is magnetic?

• Iron

• Aluminum

• Gold

• Silver

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What causes the force of magnetism?

• Aligned spinning of electrons

• Aligned spinning of protons

• Aligned spinning of neutrons

• Aligned spinning of atoms

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What is the area around a magnet where its force can act on called?

• Magnetic field

• Force field

• Electric field

• Gravitational field

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What are the ends of a magnet called?

• North and south poles

• East and west poles

• Top and bottom poles

• Front and back poles

What happens when you try to put together two north poles of magnets?

• They stick together

• Nothing happens

• They repel

• They attract

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What is one of the uses of magnets in technology?

• Generating electricity

• Cooking food

• Creating images of the inside of a person's body

• Growing plants

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What are lodestones?

• Magnetized pieces of aluminum

• Magnetized pieces of silver

• Magnetized pieces of gold

• Magnetized pieces of magnetite

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What is the Earth's magnetic field responsible for?

• Creating a force of friction on train wheels

• Pointing compasses north

• Generating electricity

• Growing plants