Science Ch 5-1 Vocab

Front 1

ATMOSPHERE

Back 1

A mixture of gases that surrounds a plant of moon

Front 2

THE COMPOSITION OF THE ATMOSPHERE

Back 2

NITROGEN 78%, the most common atmospheric gas, is released when dead plants and dead animals break down and when volcanoes erupt.
OXYGEN 21%, the second most common atmospheric gas, is made by phytoplankton and plants.
The remaining 1% of the atmospheric is made up of argon, carbon dioxide, water vapor, and other gases

Front 3

AIR PRESSURE

Back 3

The measure of the force with which air molecules push on a surface.

Front 4

ATMOSPHERIC PRESSURE AND TEMPERATURE

Back 4

Air is not very heavy, bu, it's weight adds up. At sea level, a square inch of surface area is under almost 15lb of air.

Front 5

LAYERS OF THE ATMOSPHERE

Back 5

the Earth's atmosphere is divided into four layers. These layers are the troposphere, stratosphere, mesosphere and thermosphere

Front 6

TROPOSPHERE

Back 6

The lowest layer of the atmosphere, in which temperature decreases at a constant rate as altitude increases

Front 7

STRATOSPHERE

Back 7

The layer of the atmosphere that is above the troposphere and in which temperature increases as altitude increases

Front 8

MESOSPHERE

Back 8

The layer of the atmosphere between the stratosphere and the thermosphere and in which temperature decreases as altitude increases

Front 9

THERMOSPHERE

Back 9

The uppermost layer of the atmosphere, in which temperature increases as altitude increases