Weather Unit Vocabulary

Front 1

atmosphere

Back 1

layers of gases that surround the earth

Front 2

exosphere

Back 2

a reigion beginning at the top of the thermosphere and continues until it merges with interplanetary gases or space

Front 3

ionosphere

Back 3

a region that charactorized by the presnce of plasma. Its boundaries vary according to solar activity.

Front 4

mesosphere

Back 4

These temperatures fall as low as 43 D
C. In this region; chemicals are in an excited state. As it absorbs energy from the sun.

Front 5

stratosphere

Back 5

Dry and less dense, the air in this layer of the atmosphere moves horizontally and does not move up & down with in it. Temperatures here increase with elevation.

Front 6

thermosphere

Back 6

temperatures increase with altitude due
to the sun's energy reaching as high as 1,727 degreses celsius

Front 7

troposphere

Back 7

The layer of the atmosphere closest to the earth's surface

Front 8

air mass

Back 8

a large body of air that has about the same temperature and moisture throughout.

Front 9

cold front

Back 9

an air mass that over takes a warm air mass

Front 10

front

Back 10

the boundary, or area of contact between two air masses

Front 11

stationary front

Back 11

an unmoving boundary between a warm air mass and as cold air mass

Front 12

vacuum

Back 12

conditions where is not air or air pressure

Front 13

Warm front

Back 13

an air mass that slides over denser cold air

Front 14

cirrus

Back 14

high clouds, thin, wispy clouds blown by high winds into long streams

Front 15

cumulonimbus

Back 15

thunderstorm clouds with dark bases which comes from culums clouds