atom
—Tiny particle that makes up everything on Earth.
circuit
—The path an electric current takes from a power
source to the point of use.
electricity
—Energy resulting from the flow of charged
particles, such as electrons.
electromagnet
—Adevice that ismagnetizedby an electric
current.
electromagnetism
—Magnetism produced by an electric
current.
electron
—A negatively charged particle that whizzes
around the nucleus of an atom.
lightning
—A stream of electricity that occurs during a
thunderstorm. It occurs because positive and negative
electrical charges separate inside the cloud.
magnet
—An object or material that can attract certain
substances, such as iron or steel.
magnetic field
—The area around a magnet in which the
magnetic force has the power to attract other objects or
materials, especially those made of iron and steel.
Words to Know
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