Layers and Composition of the Atmosphere

In which layer is the ozone layer found? Jet streams (fast-moving currents of air) also occur here.

• mesosphere

• stratosphere

• exosphere

• thermosphere

Which atmospheric layer is very hot and contains "light showers" known as auroras?

• stratosphere

• exosphere

• mesosphere

• thermosphere

The BEST description of the troposphere is the layer of the atmosphere with the

• most ozone

• highest altitude

• greatest density

• coldest temperature

True or False: As you increase in altitude, the temperature of the air decreases because the air molecules become less dense.

• True

• False

Label the layer of the atmosphere.

b

d

c

a

e

Troposphere

Exosphere

Stratosphere

Thermosphere

Mesosphere

The boundary between the troposphere and the stratosphere is the ​ (a)   .

• tropopause

• mesopause

• stratopause

Answer explanation

The boundary between the troposphere and the stratosphere is known as the tropopause, making it the correct choice for this question.

Which gas is represented by Gas #1?

• Oxygen

• Carbon dioxide

• Argon

• NItrogen

What layer does most weather occur in?

• mesosphere

• stratosphere

• thermosphere

• troposphere

Tags

NGSS.MS-ESS2-5

Which of the following is found in our atmosphere?

• water vapor

• dust and pollen

• gases

• all of the above

In which layer of the atmosphere do we live?

• thermosphere

• troposphere

• stratosphere

• mesosphere