Weather Factors - Test

In a mercury barometer, when air pressure increases, the mercury in the tube

• rises.

• falls.

• rises, then falls.

• falls, then rises.

What is the ultimate source of energy for most wind?

• air pressure

• the sun

• changes in humidity

• air temperature

Tags

NGSS.MS-ESS2-5

The pressure differences that make wind happen are caused

• by a sudden drop in humidity.

• when water vapor in the air rises then falls.

• by accumulations of clouds in different areas.

• by the unequal heating of Earth’s surface.

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Type of air pressure system with the movement of converging wind rotating counter clockwise in the Northern Hemisphere

• Low Pressure system

• High Pressure system

• Convergence system

• Divergent system

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

An air mass is a large body of air with uniform temperature and ________.

• uniform thickness.

• uniform moisture.

• abundant condensation nuclei.

• low pressure throughout.

Tags

NGSS.MS-ESS2-5

Which air masses influence much of the weather in North America, especially east of the Rocky Mountains?

• maritime tropical and continental polar

• maritime polar and continental polar

• continental polar and continental tropical

• maritime polar and maritime tropical

Tags

NGSS.MS-ESS2-5

What causes most of the precipitation in the eastern two thirds of the United States?

• maritime polar air masses

• continental polar air masses

• continental tropical air masses

• maritime tropical air masses

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

An air mass changes ________.

• the weather of the area over which it moves.

• the elevation of underlying areas.

• the rotation direction of cyclones.

• weather that is hundreds of kilometers away from it.

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

What forms at the boundary between two different air masses of different properties?

• a temperature inversion

• a front

• a hurricane eyewall

• a storm surge

Tags

NGSS.MS-ESS2-5

A warm front forms when

• a cold air moves up over warmer air.

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

• warm air glides up over colder air.

• the temperature in a warm air mass increases.

Tags

NGSS.MS-ESS2-5