Major Funding The Laura Moore Cunningham Foundation



Magnets: Glossary

A

align
to arrange in a line, facing the same direction
alloy
A mixture of two or more elements, at least one of which is a metal
atom
the smallest unit of matter
attract
pull toward, stick to
auroras
colorful bands of light that appear in the sky at night in areas around the magnetic poles
axis of rotation
an imaginary line through the center of the earth around which it turns

C

coil
something wound in a continuous series of loops
compass
a device that indicates direction by means of a small magnet turning on a pivot, which points to Earth's magnetic north
core
center of the earth; the inner core is solid iron and nickel, the outer core is liquid

D

domain
tiny groups of atoms in which all the electrons have the same magnetic orientation

E

electric motor
A device that converts electrical energy into mechanical energy
electricity
energy caused by the movement of electrons through matter
electrons
negatively charged particles that surround the nucleus of an atom

F

ferromagnetic
group of metals that are easily magnetized: iron, nickel, cobalt

G

generate
to make or produce
generator
a machine that creates electricity by spinning a coil of wire inside a magnet, using a power source such water, wind, or steam
gravity
the force that pulls all things toward the center of the earth

H

hydroelectric
power produced by using the flow of water to spin turbines, which turn magnets inside a generator

I

invisible
cannot be seen with human eye
iron filings
tiny pieces of iron, filed from a larger piece

L

legend
a story that has been handed out from a long time ago

M

magnetic field
the space around a magnet in which a magnetic force is active
magnetic field lines
visual representation of magnetic fields with curved lines moving north to south and concentrated at the poles
magnetize
to cause to become a magnet
magnetosphere
the area of space around a planet that is controlled by the planet's magnetic field.
migrate
to move from one region to another, to change location

N

navigate
to find the correct direction, to steer, manage, or guide the course

P

penetrate
to go through or go into
permanent
lasting, intended for a long time
poles
The opposite parts of a magnet that have greatest magnetic strength
property
a quality or characteristic of a substance

R

repel
push away
retain
keep

S

solar wind
a stream of radiation and electrically charged particles that flows into space from the surface of the sun.

T

temporary
not lasting, existing for a short time

Click on a Topic:

Ages Past
Animals
Earth Science
Environment
Human Body
Science Fundamentals
Space
Technology
Other

PBS
Find Your Local Station

© 2020 Idaho Public Televison

Idaho State Board of Education, an agency of the State of Idaho