Function of the Atmosphere

Which of the following is NOT a function of the atmosphere?

• Drives plate tectonics

• Protects us from meteoroids/radiation

• Provides the gases essential for life

• Holds heat

What gas makes up about 78% of the atmosphere?

• nitrogen

• oxygen

• argon

• water vapor

What layer of the atmosphere is closest to the Earth's surface?

• thermosphere

• stratosphere

• troposphere

• mesosphere

Most weather takes place in the:

• mesosphere

• troposphere

• stratosphere

• thermosphere

Tags

NGSS.MS-ESS2-5

What is the coldest layer of the atmosphere?

• stratosphere

• troposphere

• thermosphere

• mesosphere

Tags

NGSS.MS-ESS2-6

The ozone layer can be found in what layer of the atmosphere?

• Stratosphere

• Thermosphere

• Mesosphere

• Troposphere

The ionosphere is a distinct layer of the atmosphere.

• True

• False

As altitude increases, what happens to air pressure and density?

• Air pressure and density decrease.

• Air pressure increases and density decreases.

• Air pressure decreases and density increases.

• Air pressure and density increase.

What causes day and night on Earth?

• Rotation

• Orbit

• Revolution

• Tilt

Tags

NGSS.MS-ESS1-1

How long does it take the Earth to perform one revolution?

• 7 days

• 4 years

• 1 year

• 1 day