6.6b: Air Composition

Which show gases in atmosphere from MOST abundant to least?

• Oxygen, Nitrogen, water vapor, CO_2,

• nitrogen, oxygen, water vapor, CO₂

• CO₂, Oxygen, Nitrogen, water vapor

• water vapor, CO_2,, Oxygen, Nitrogen

Which two gases are the most abundant in Earth's atmosphere?

• Argon

• Oxygen

• water vapor

• Nitrogen

The elements found in the atmosphere

are found in what form?

• solid

• liquid

• gases

• plasma

How much Nitrogen is in the atmosphere?

• 78%

• 21%

• 100%

• 1%

How much oxygen is in the atmosphere?

• 100%

• 78%

• 21%

• 1%

How much of other gases are in the atmosphere?

• 100%

• 78%

• 21%

• 1%

Of the other gases in our atmosphere, which makes up almost 1%?

• argon

• water vapor

• helium

• CO₂

The thin layer of gases that surround the Earth is called __.

• convection

• solar energy

• atmosphere

• blanket

TRUE or FALSE: Of the 1% of other gases in the air we breathe, CO₂ is the most abundant.

• TRUE

• FALSE

Check ALL roles of Earth's atmosphere.

• keeps us warm

• air to breathe

• keeps us cold

• protects us from meteors

• protects us from UV rays