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Physics

The branch of science concerned with the properties of matter and energy and the relationships between them.

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Physics > Electromagnetism

light

Physics; Electromagnetism

A form of electromagnetic radiation that can be seen by the human eye. It travels at the speed of 186,282 miles per second.

magnetize

Physics; Electromagnetism

To cause an object to become magnetic. A nail can be magnetized by wrapping it in a wire and connecting the wire to a battery.

magnetometer

Physics; Electromagnetism

An instrument for measuring the strength and direction of the Earth's magnetic field is called as magnetometer.

magnetism

Physics; Electromagnetism

The force produced by a magnetic field. Magnetism can cause certain materials, like iron and steel, to be attracted to a magnet.

magnetic pole

Physics; Electromagnetism

Either of two opposite areas of a magnet where the magnetic field is strong. They are called the north pole and the south pole.

magnetic field

Physics; Electromagnetism

The area around a magnet in which objects can be affected by the force of the magnet.

magnetic induction

Physics; Electromagnetism

The creation of magnetism in a substance by placing it in a magnetic field is called as magnetic induction.