Earth's Atmosphere: Composition & Layers

What gas makes up the majority of Earth's atmosphere?

• Nitrogen

• Oxygen

• Argon

• Helium

Which is NOT a reason that Earth's atmosphere is important?

• It protects living things from ultraviolet radiation

• It burns up meteoroids which keeps them from hitting Earth

• It increases acid rain production

• It keeps Earth's surface a comfortable temperature and helps water to remain a liquid

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

• True

• False

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Which layer of Earth's atmosphere protects Earth's surface from meteors?

• Troposphere

• Mesosphere

• Thermosphere

• Stratosphere

What layer does weather occur in?

• Troposphere

• Mesosphere

• Thermosphere

• Stratosphere

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

This layer blends in with outer space

• Troposphere

• Mesosphere

• Exosphere

• Thermosphere

This layer protects living things from UV radiation

• Troposphere

• Mesoshere

• Thermosphere

• Stratosphere

Which layer contains the Aurora Borealis?

• Troposphere

• Mesosphere

• Thermosphere

• Stratosphere

What layer do we live in?

• Troposphere

• Mesosphere

• Thermosphere

• Stratosphere

Tags

NGSS.MS-ESS2-6

The outermost layer of the thermosphere where artificial spacecraft and unmanned satellites are found is called the...?

• Troposphere

• Exosphere

• Ionosphere

• Mesosphere