Magnetism

Front

What is magnetism?

Back

Magnetism is a force that can attract or repel certain materials, like iron, and is caused by the motion of electric charges.

Front

What do we call a magnet that can be turned on and off?

Back

An electromagnet.

Front

What happens to the strength of a magnet when it is cut in half?

Back

Each half becomes a smaller magnet with its own north and south poles.

Front

What is an example of a material that is attracted to magnets?

Back

Iron.

Front

What is the area around a magnet where magnetic forces can be felt?

Back

The magnetic field.

Front

What happens to the force of magnetism when magnets are closer together?

Back

The force of magnetism is stronger.

Front

What is the effect of increasing the current in an electromagnet?

Back

It increases the strength of the electromagnet.

Front

What are the tiny magnets inside atoms called?

Back

Spinning electrons.

Front

What is a common use of magnets in everyday life?

Back

Refrigerator magnets.

Front

What happens to a magnet when it is heated?

Back

It can lose its magnetism.