Magnetism

Front

What is magnetism?

Back

Magnetism is a type of force that can attract or repel certain materials, such as iron, and is produced by the motion of electric charges.

Front

What is a magnet?

Back

A magnet is an object that produces a magnetic field, which can attract or repel other magnetic materials.

Front

What is an electromagnet?

Back

An electromagnet is a type of magnet that can be turned on and off using electricity. It is made by coiling wire around a core and passing an electric current through it.

Front

What materials can magnets attract?

Back

Magnets can attract materials like iron, nickel, and cobalt.

Front

What is the difference between a permanent magnet and an electromagnet?

Back

A permanent magnet produces a constant magnetic field, while an electromagnet's magnetic field can be controlled by turning the electric current on or off.

Front

What components do you need to build an electromagnet?

Back

To build an electromagnet, you need a wire, a conductor (like a nail), a battery, and some paper clips.

Front

What is a magnetic field?

Back

A magnetic field is the area around a magnet where magnetic forces can be detected and felt.

Front

Can a magnet move all objects?

Back

No, a magnet cannot move non-magnetic objects, such as a toothpick.

Front

What is the North and South pole of a magnet?

Back

Every magnet has a North pole and a South pole. The North pole is the end that points towards the Earth's North when freely suspended.

Front

What happens when you cut a magnet in half?

Back

When you cut a magnet in half, each half becomes a new magnet with its own North and South poles.