What is the most common gas in the atmosphere?

• nitrogen
• oxygen
• water vapor
• carbon dioxide

Oxygen makes up approximately ____% of the gases in the atmosphere.

• 20
• 40
• 60
• 80

What decreases with altitude throughout Earth's atmosphere?

• density
• pressure
• density and pressure
• temperature and density

What is the correct order of earth's atmospheric layers from bottom to top?

• Stratosphere, Mesosphere, Troposphere, Thermosphere, Exosphere.
• Stratosphere, Troposphere, Mesosphere, Thermosphere, Exosphere.
• Stratosphere, Troposphere, Thermosphere, Mesosphere, Exosphere.
• Troposphere, Stratosphere, Mesosphere, Thermosphere, Exosphere.

Why is atmospheric pressure greatest in the troposphere?

• gravity compresses the atmosphere as it pushes the gases down
• thermal and kinetic energy are the highest near the surface
• the coldest temperatures in the atmosphere are at Earth's surface
• the matter in the troposphere is the least dense

The layers of Earth's atmosphere are determined by changes in _________.

• temperature
• density
• pressure
• color

Tags

NGSS.MS-ESS2-6

Directly above the troposphere is the _________.

• stratosphere
• mesosphere
• exosphere
• thermosphere

Tags

NGSS.MS-ESS2-6

In which two layers does temperature decrease with altitude?

• mesosphere and troposphere
• troposphere and stratosphere
• stratosphere and thermosphere
• thermosphere and exosphere

In which layer do virtually all weather phenomena take place?

• troposphere
• mesosphere
• stratosphere
• thermosphere

Tags

NGSS.MS-ESS2-5