Unit 1: Atmosphere Vocabulary

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10 Terms

1

Thermosphere

atmospheric layer with very thin and very hot air

<p>atmospheric layer with very thin and very hot air</p>
2

Atmosphere

gases surrounding the planet making conditions suitable for life

<p>gases surrounding the planet making conditions suitable for life</p>
3

Stratosphere

layer cold at the bottom but warmer at the top where ozone absorbs ultraviolet

<p>layer cold at the bottom but warmer at the top where ozone absorbs ultraviolet</p>
4

Troposphere

layer that contains weather (water cycle happens here)

<p>layer that contains weather (water cycle happens here)</p>
5

Exosphere

the cold regions of outer space extend from this outer layer of the atmosphere

<p>the cold regions of outer space extend from this outer layer of the atmosphere</p>
6

Mesosphere

the coldest layer of the atmosphere; middle layer; meteors burn up here

<p>the coldest layer of the atmosphere; middle layer; meteors burn up here</p>
7

Air Pressure

the force (weight) of gases pushing on an object (decreases farther from Earth)

<p>the force (weight) of gases pushing on an object (decreases farther from Earth)</p>
8

Ultraviolet Radiation

a type of energy that comes to Earth from the Sun, can damage skin and cause cancer, and is mostly absorbed by the ozone layer

<p>a type of energy that comes to Earth from the Sun, can damage skin and cause cancer, and is mostly absorbed by the ozone layer</p>
9

Ozone Layer

layer of the stratosphere with a high concentration of ozone; absorbs most of the Sun's harmful ultraviolet radiation

<p>layer of the stratosphere with a high concentration of ozone; absorbs most of the Sun's harmful ultraviolet radiation</p>
10

Greenhouse Effect

natural heating that occurs when certain gases in Earth's atmosphere, such as methane, CO2 and water vapor trap heat

<p>natural heating that occurs when certain gases in Earth's atmosphere, such as methane, CO2 and water vapor trap heat</p>