MAGNETISM

Magnetism

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​MAGNETISM

We have watched this videos

What is a magnet, and how does it work?

Magnets

How magnetism works, and magnetic fields.

Magnetism

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Now, you can try to answer the following questions to check if you have understood magnetism.

Multiple Choice

What is a magnet?

• A piece of metal.

• A material that can create a magnetic field.

• A type of rock.

• A type of plant.

Multiple Choice

Which of the following metals is most commonly used to make magnets?

• Aluminum

• Copper

• Iron

• Zinc

Multiple Choice

What is a magnetic field?

• An invisible force around a magnet that attracts or repels certain materials.

• A visible force around a magnet that attracts or repels certain materials.

• The metal part of a magnet.

• A type of rock that can create a magnetic field.

Multiple Choice

What is a compass?

• A type of magnet.

• A tool used to find directions based on Earth's magnetic field.

• A tool used to measure the strength of a magnetic field.

• A type of metal that is attracted to magnets.

Multiple Choice

What is the difference between a temporary magnet and a permanent magnet?

• Temporary magnets lose their magnetism over time, while permanent magnets never lose their magnetism.

• Temporary magnets are weaker than permanent magnets.

• Temporary magnets are made of different materials than permanent magnets.

• Temporary magnets can only attract iron, while permanent magnets can attract other.

Multiple Choice

What is an electromagnet?

• A magnet made from a single piece of metal.

• A magnet made from plastic.

• A magnet that is always on.

• A magnet made by running electricity through a wire wrapped around a metal core.

Multiple Choice

What is magnetic repulsion?

• The process of magnetizing a piece of metal.

• The process of creating a magnetic field using electricity.

• The process of creating a magnetic field in a nearby object without touching it.

• The process of creating an electrical current using magnets.

Multiple Choice

How can we demagnetize a magnet?

• By heating it to a very high temperature.

• By cooling it to a very low temperature.

• By hitting it with a hammer.

• By exposing it to a strong magnetic field in the opposite direction.

Multiple Choice

What is the Earth's magnetic field?

• A field of magnetic energy created by the sun.

• A field of magnetic energy created by the Earth's core.

• A field of magnetic energy created by the atmosphere.

• A field of magnetic energy created by the moon.

Multiple Choice

What is the North Pole of a magnet attracted to?

• The North Pole of another magnet.

• The South Pole of another magnet.

• Any part of another magnet.

• Nothing, it repels all other magnets.

Multiple Choice

What happens when you cut a magnet in half?

• The magnet becomes two smaller magnets.

• The magnet loses its magnetism.

• The magnet becomes two new magnets with opposite poles.MAG

• Nothing happens, the magnet is unharmed.

Multiple Choice

What is magnetism?

• A type of electricity.

• A type of light.

• A force that pulls or pushes certain materials.

• A type of sound.