Layers of the Atmosphere & Air Pressure Review

Which layer of the atmosphere do we live in?

• exosphere

• thermosphere

• mesosphere

• troposphere

Which layer of the atmosphere is the hottest?

• exosphere

• mesosphere

• thermosphere

• stratosphere

As altitude (height) increases, air pressure

• increases

• decreases

• stays the same

The 2 most abundant gases in the atmosphere are

• helium and nitrogen

• nitrogen and oxygen

• oxygen and helium

• argon and nitrogen

We can see meteors (falling stars) in this layer.

• exosphere

• thermosphere

• troposphere

• mesosphere

The density of the air ______ as you go up in the atmosphere.

• increases

• decreases

• stays the same

What is the measure of the force of the gases (air) pushing down on the Earth's surface called?

• temperature

• gravity

• atmosphere

• air pressure

Warm air is ______ dense than cool air. Warm air rises and cool air sinks.

• less

• more

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Air is a mixture of many gases. The gas that makes up the LARGEST percentage of the atmosphere is

• nitrogen

• oxygen

• carbon dioxide

• helium

Which choice lists 3 layers of the atmosphere ordered from farthest from Earth's surface to closest to Earth's surface?

• mesosphere, troposphere, stratosphere

• exosphere, mesosphere, thermosphere

• thermosphere, exosphere, stratosphere

• exosphere, mesosphere, troposphere