UV Rays are absorbed by which layer of the atmosphere? (Write One)

Of the radiation that travels from the sun to the troposphere, what percentage is absorbed by land and water and converted into heat?

Tags

NGSS.HS-ESS2-4

If the concentration of carbon dioxide gas continues to increase, it will cause...

• temperatures to increase

• sea levels to decrease

• increased glaciers

• temperatures to decrease

Tags

NGSS.MS-ESS3-4

NGSS.MS-ESS3-5

Check all the ways Earth's atmosphere supports life.

• allows us to breathe easily

• helps fertilize soil to grow food

• keeps us warm

• protects us from UV radiation

Which two gases make up most of Earth's atmosphere?

• helium and carbon dioxide

• nitrogen and carbon dioxide

• nitrogen and oxygen

• oxygen and carbon dioxide

The layer of atmosphere closest to Earth's surface is the

• stratosphere

• troposphere

• mesosphere

• thermosphere

The Greek root "atmo" means

• sky

• outer space

• air

• rocks/soil

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

The ​ (a)   ​is the layer of gases that surround Earth and supports life by protecting it from dangerous electromagnetic radiation.

• atmosphere

• ocean

• crust

• outer space

• celestial

The atmosphere is composed mainly of ________ gas. 

• nitrogen

• argon

• oxygen

• carbon dioxide

The ozone layer is found in this atmosphere layer.

• mesosphere

• thermosphere

• stratosphere

• troposphere