Atmosphere Layers Composition

What is the percentage of oxygen in Earth's atmosphere?

• 1%

• 21%

• 78%

• 90%

What protects humans and other organisms from

excess UV radiation?

• greenhouse gas

• the asthenosphere

• the troposphere

• the ozone layer

What layer does weather occur in?

• Troposphere

• Mesosphere

• Thermosphere

• Stratosphere

Tags

NGSS.MS-ESS2-6

NGSS.MS-ESS2-5

This layer blends in with outer space

• Troposphere

• Mesosphere

• Exosphere

• Thermosphere

This layer protects living things from UV radiation

• Troposphere

• Mesoshere

• Thermosphere

• Stratosphere

What layer do we live in?

• Troposphere

• Mesosphere

• Thermosphere

• Stratosphere

Compounds in Earth's atmosphere can change with time and location

• True

• False

Which layer contains the Aurora Borealis?

• Troposphere

• Mesosphere

• Thermosphere

• Stratosphere

Analyze the following chart. Which TWO layers get cooler as altitude increases?

• Troposphere

• Exosphere

• Ionosphere

• Mesosphere

Tags

NGSS.MS-ESS2-6

Which layer of the atmosphere contains the highest concentration of ozone?

• Troposphere

• Stratosphere

• Mesosphere

• Thermosphere