The table indicates the percentages of some gases in the atmosphere of Mars.

Which gas present in the atmosphere of Mars is the primary gas found in the atmosphere of Earth?

• carbon dioxide

• nitrogen

• argon

• methane

Which graph BEST illustrates the relationship of altitude and temperature in the lowest layer of the atmosphere of Earth?

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Which graph BEST illustrates the change in density in the lowest layer of Earth’s atmosphere as altitude increases?

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When cold air is at the tops of mountains, the air

• will flow toward areas of lower pressure in valleys.

• will flow toward areas of higher pressure in valleys.

• is considered to be less dense than warmer air.

• is considered to be free of oxygen atoms.

Tags

NGSS.MS-ESS2-5

Water vapor sometimes condenses into stratus clouds that are in contact with the ground. What forms as a result of this process?

• ozone

• methane

• fog

• smoke

Tags

NGSS.MS-ESS2-4

The process by which water vapor in the atmosphere cools and becomes a liquid is called

• evaporation

• perspiration

• condensation

• transportation

Tags

NGSS.MS-ESS2-4

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

• mesosphere

• stratosphere

• thermosphere

• troposphere

Tags

NGSS.MS-ESS2-5

Which is most likely indicated by the arrival of heavy rains, high winds, and thunderstorms?

• a cold front

• a warm front

• a higher air pressure

• a lower relative humidity

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Which best describes the air conditions that cause thunderstorms?

• cool, dry air

• warm, dry air

• cool, humid air

• warm, humid air

Tags

NGSS.MS-ESS2-5

Which best represents the cloud types in order from the lowest elevation to the highest elevation?

• cumulus, stratus, cirrus

• stratus, cirrus, cumulus

• stratus, altocumulus, cirrus

• altostratus, cumulus, stratus