Flashcards Unit 2: Earth’s Systems - Atmosphere

Front

atmosphere

Back

mixture of gases that surrounds Earth

Front

troposphere

Back

We live here.

Front

stratosphere

Back

contains the ozone layer

Front

mesosphere

Back

coldest layer

Front

thermosphere

Back

The auroras occur here.

Front

exosphere

Back

air is very thin

Front

thermopause

Back

atmospheric boundary located at the top of the thermosphere

Front

mesopause

Back

atmospheric boundary located at the top of the mesosphere

Front

stratopause

Back

atmospheric boundary located at the top of the stratosphere

Front

tropopause

Back

atmospheric boundary located at the top of the troposphere