Earth's Atmosphere

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

• most ozone.

• greatest density.

• highest altitude.

• coldest temperature.

In which layer of Earth’s atmosphere does weather occur?

• mesosphere

• stratosphere

• thermosphere

• troposphere

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

What is the coldest layer of the atmosphere?

• Mesophere
• Thermosphere
• Stratosphere
• Troposphere

Nitrogen makes up what percent of our atmosphere?

• 21%
• 1%
• 87%
• 78%

Which of the following lists the layers of the atmosphere in order from Earth’s surface to space?

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

Which two gases most greatly affect Earth's weather?

• water vapor and nitrogen
• water vapor and carbon dioxide
• water vapor and argon
• water vapor and oxygen

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS2-5

Which layer of the atmosphere is closest to space?

• Troposphere
• Stratosphere
• Exosphere
• Thermosphere

Which layer of the atmosphere has the greatest air pressure?

• Troposphere
• Stratosphere
• Mesosphere
• Exosphere

What is the hottest layer of the atmosphere?

• Exosphere
• Mesosphere
• Troposphere
• Thermosphere

As distance from Earth increases, what happens to the density of the air in each layer?

• Density decreases.
• Density increases.
• Density stays the same.
• None of the above