Composition and Layers of the Atmosphere

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

• True

• False

What layer does most weather occur in?

• mesosphere

• stratosphere

• thermosphere

• troposphere

Tags

NGSS.MS-ESS2-5

What does the ozone layer do for us?

• It protects us from meteors

• It protects us from ultraviolet (UV) radiation

• It protects us from violet solar flares

• It does not help us at all

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

• stratosphere

• exosphere

• mesosphere

• thermosphere

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

Tags

NGSS.MS-ESS2-5

Which layer is coldest? Meteors are also visible here.

• mesosphere

• stratosphere

• thermosphere

• troposphere

Which gas in our atmosphere is most abundant?

• Argon
• Oxygen
• Nitrogen
• Carbon Dioxide

Temperature in the stratosphere warms as altitude increases.

• True
• False

What percentage of our atmosphere is made up of other gases such as argon, water vapor, and carbon dioxide?

• 1%
• 21%
• 78%
• 90%