Atmosphere Practice

__________ is 21% of our air.

• Nitrogen

• carbon dioxide

• oxygen

• argon

What protects us from the suns Ultraviolet (UV ) rays?

• the oxygen

• Ozone layer

• carbon dioxide

• the atmospehre

As altitude decreases, what happens to the density in the air?

• it increases

• it decreases

• it stays the same

• .

As you rise in altitude, what happens to the temperature?

• it increases

• it decreases

• it stays the same

• .

Air pressure is the MOST at ________

• sea level

• the top of a mountain

• the classroom

• at home

Does air have weight?

• yes

• no

• .

• ..

Tags

NGSS.MS-PS2-4

What is the BOTTOM layer of the atmosphere called

• troposphere

• mesosphere

• stratosphere

• thermosphere

What is the 2nd layer of the atmosphere called

• troposphere

• mesosphere

• stratosphere

• thermosphere

What is the 3rd layer of the atmosphere called

• troposphere

• mesosphere

• stratosphere

• thermosphere

What is the 4th layer of the atmosphere called

• troposphere

• mesosphere

• stratosphere

• thermosphere