ES Unit 11 Vocabulary

Front

atmosphere

Back

the thin layer of gases that surrounds Earth

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troposphere

Back

the lowest layer of the atmosphere; extends 0 to 11 km above sea level

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stratosphere

Back

the layer of the atmosphere above the troposphere; extends 11 to 50 km above sea level

Front

ozone layer

Back

the concentration of ozone in the stratosphere

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mesosphere

Back

the layer of the atmosphere above the stratosphere; extends 50 to 80 km above sea level

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thermosphere

Back

the top layer of the atmosphere; extends from 80 km above sea level infinitely into space

Front

radiation

Back

the transfer of energy through space

Front

conduction

Back

the transfer of heat directly between two objects that are in contact with each other

Front

convection

Back

the transfer of heat in a fluid as warm parts of the fluid rise from the heat source and expand

Front

convection current

Back

the movement in a fluid as warm parts of the fluid rise and cool parts sink