Physics Terms A-Z

A

A change in velocity

B

A force exerted by a fluid that opposes an object

C

Law that states that matter/energy cannot be created nor destoryed

D

Mass divided by volume

E

The flow of electrons and charges

F

An influence on an object; a push or pull

G

The attraction between two objects

H

The SI unit of frequency

I

The tendency of an object to stay at rest or in motion

J

The SI unit of energy, work, and heat

K

The motion of an object

L

Electromagnetic radiation in the form of waves

M

A change in position of an object

N

A electrically neutral subatomic particle

O

The SI unit of electrical resistance

P

A particle of light

Q

The minimum amount of energy involved in an interaction

R

An emission of energy

S

299,792,358 meters per second

T

A branch of physics that deals with heat, work, and temperature

U

A wavelength of light between visible light and x-rays on the EM spectrum

V

How fast something is moving; Speed with direction

W

The energy due to overcoming a force

X

A wavelength of light between ultraviolet and gamma rays on the EM spectrum

Y

A device used to connect two objects

Z

The effect of splitting a spectral line into several components in the presence of a static magnetic field