October 23 - Unit 1 Weather Test

Why does air pressure decrease from the troposphere to the exosphere?

• because there are more air molecules as altitude increases

• because there are fewer air molecules as altitude increases

• because there are lower temperatures as altitude increases

• because there are higher temperatures as altitude increases

Below is a simplified weather map of the continental United States. Which statement describes what is happening in the picture?

• As a cold front moves, the colder, less dense air moves below the warmer air, and this causes storms.

• As a cold front moves, the colder, less dense air moves above the warmer air, and this causes storms.

• As a cold front moves, the colder, more dense air moves above the warmer air, and this causes storms.

• As a cold front moves, the colder, more dense air moves below the warmer air, and this causes storms.

Tags

NGSS.MS-ESS2-5

A meteorologist observes a decrease in barometric pressure and predicts a chance of light to moderate precipitation. Which frontal system is most likely approaching?

• occluded front

• cold front

• stationary front

• warm front

Tags

NGSS.MS-ESS2-5

Which statement best describes the formation of a warm front?

• The temperature in a warm air mass increases.

• Cold air moves up over warmer air.

• A warm air mass meets another air mass of the same temperature.

• Warm air glides over colder air.

Tags

NGSS.MS-ESS2-5

Why is a low-pressure system generally associated with cloudy and rainy weather?

• As cool air rises, it becomes colder, generating freezing rain.

• As cool air rises, it warms in the atmosphere, generating severe weather.

• As warm air rises, it cools in the atmosphere, creating condensation.

• As warm air rises, it gets warmer in the atmosphere, creating precipitation.

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Which choice describes cool air masses?

• They rise when lifted up by more dense warm air masses.

• They mix easily with warm air masses.

• They are less dense and flow over warm air masses.

• They are more dense and flow under warm air masses.

Tags

NGSS.MS-ESS2-5

Which choice best explains why a low-pressure system and a high-pressure system create different weather conditions?

• In a low-pressure system, air rises, creating storms. In a high-pressure system, air sinks, creating fair weather.

• In a low-pressure system, air sinks, creating fair weather. In a high-pressure system, air rises, creating storms.

• In a low-pressure system, air sinks, creating storms. In a high-pressure system, air rises, creating fair weather.

• In a low-pressure system, air rises, creating fair weather. In a high-pressure system, air sinks, creating storms.

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Of the following layers of the atmosphere, where is the density of air molecules most abundant (most dense)?

• Thermosphere

• Troposphere

• Exosphere

• Mesosphere

Which statement about air pressure is true?

• Air density is always the same throughout the atmosphere.

• Air density increases with increasing altitude.

• Air density decreases with increasing altitude.

• Air density increases with temperature.

This diagram shows the water cycle. What event happens at Point 3?

• The Sun heats ocean water causing some to evaporate

• Organisms in the ocean breathe oxygen in the water.

• Waves move ocean water onto the shore.

• Tides move the ocean water.

Tags

NGSS.MS-ESS2-4