Understanding Magnetism

Front

What is magnetism?

Back

Magnetism is a force that can attract or repel certain materials, primarily metals like iron, nickel, and cobalt.

Front

What is a magnet?

Back

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

Front

What are the two types of magnets?

Back

The two types of magnets are permanent magnets (which retain their magnetism) and temporary magnets (which act like magnets only when in a magnetic field).

Front

What is the Earth's magnetic field?

Back

The Earth's magnetic field is the magnetic field that extends from the Earth's interior out into space, protecting the planet from solar wind.

Front

What is a magnetic pole?

Back

A magnetic pole is one of the two ends of a magnet where the magnetic force is strongest; every magnet has a north and a south pole.

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.

Front

What is an electromagnet?

Back

An electromagnet is a type of magnet that is created by electric current; it can be turned on and off.

Front

What are some common uses of magnets?

Back

Common uses of magnets include in refrigerators, compasses, and electronic devices like speakers and hard drives.

Front

What is a lodestone?

Back

A lodestone is a naturally magnetized piece of the mineral magnetite, which can attract iron.

Front

What is the magnetic field around a magnet?

Back

The magnetic field around a magnet is the area where magnetic forces can be detected, often represented by field lines.