Chapter 12 Earth's Atmosphere

It supports life by protecting from harmful radiation, controls weather and climate, and provides necessary gases.

It only provides oxygen for breathing.

It is responsible for the color of the sky.

It makes Earth heavier.

Oxygen

Nitrogen

Argon

Carbon dioxide

Atmospheric density increases with altitude.

Atmospheric density is the same at all altitudes.

Atmospheric density decreases with altitude.

Atmospheric density is not affected by altitude.

Stratosphere

Troposphere

Mesosphere

Thermosphere

Tropopause

Stratopause

Mesopause

Thermopause

Most atmospheric air is found here

Air temperature increases with height

Virtually all weather occurs here

Ozone layer is found here

Cirrus

Cumulus

Stratus

Nimbus

Mesosphere

Ozone Layer

Exosphere

Magnetosphere

It is included in both the mesosphere and thermosphere.

It absorbs ultraviolet and X-ray radiation from the sun.

Particles in this layer become electrically charged (ions).

It is the coldest layer of the atmosphere.

It absorbs solar radiation.

It traps harmful particles from the sun.

It increases the temperature of the atmosphere.

It creates the ozone layer.

To support life by protecting from electromagnetic radiation, control weather and climate, and provide gases for breathing

To create landforms and mountains

To generate electricity for human use

To produce minerals and metals