8th Grade Science Vocabulary (Reese)

Front

Absolute magnitude

Back

A measure of how bright a star would appear if it were 10 parsecs (32.6 light years) away from Earth.

Front

Acceleration

Back

When an object changes speed or direction. A change in velocity!

Tags

NGSS.MS-PS2-2

Front

Acid

Back

Any compound that increases the hydronium ions when dissolved in water. Tastes sour and has a pH less than 7.

Front

Adhesion

Back

The attractive force between two different substances that are in contact with each other.

Front

Amplitude

Back

The height of a wave measured from rest to the top of the crest or bottom of the trough of the wave.

Tags

NGSS.MS-PS4-1

Front

Apparent magnitude

Back

The brightness of a star as seen from Earth.

Front

Atom

Back

The smallest piece of an element; a basic particle of matter; atoms make up elements and compounds.

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

Front

Average Speed

Back

The total distance traveled divided by the total time traveled.

Front

Balanced Force

Back

Equal forces acting on an object in opposite directions resulting in no movement, or 0 net force.

Front

Base

Back

Any compound that increases the hydroxide ions when dissolved in water. Tastes bitter and has a pH more than 7.