Q4T1 Question Preview (ID: 24142)


Ch 16 Test. TEACHERS: click here for quick copy question ID numbers.

Air pressure increases
a) as density decreases
b) as altitude increases
c) as you move higher in the atmosphere
d) as you move lower in the atmosphere

Air moves because air pressure
a) remains constant with altitude
b) varies from place to place
c) is higher in cold air
d) is lower at sea level

The constant motion of air molecules causes
a) air pressure
b) temperature changes
c) high humidity
d) low humidity

At which location is air pressure lowest?
a) at sea level
b) on top of Mt. Everest
c) at the bottom of the Grand Canyon
d) on top of a skyscraper

Why is the air at sea level denser than air at high altitudes?
a) The air molecules are pushed farther apart at sea level
b) The air molecules are pushed closer together at sea level
c) High altitudes cause air molecules to move close together
d) Low altitudes cause air molecules to move farther apart

Which of these statements is true?
a) Winds move as the result of equal heating of Earth's surface
b) Winds move because air pressure is the same across Earth's surface
c) Winds move from areas of high pressure towards areas of low pressure
d) Winds move from areas of low pressure towards areas of high pressure

How does the Coriolis effect influence global winds?
a) It causes the winds to curve to the right in the Northern Hemisphere
b) It causes the winds to curve to the right in the Southern Hemisphere
c) It causes the winds to flow directly from the equator to the poles
d) It causes the winds to flow directly from the poles to the equator

What causes a mountain breeze to form?
a) uniform heating and cooling of slopes and valleys
b) unequal heating and cooling of slopes and valleys
c) similar amounts of precipitation over land around the mountain
d) different amounts of precipitation over land around the mountain

Air becomes saturated when
a) the rate of evaporation is greater than the rate of condensation
b) the rate of condensation is greater than the rate of evaporation
c) the rate of condensation equals the rate of precipitation
d) the rate of condensation equals the rate of evaporation

Clouds form when
a) air cools to its dew point
b) air becomes unsaturated
c) warm air sinks and evaporates in cool air
d) cool air rises and condenses in warm air

Why can you see clouds?
a) Clouds are made of liquids and solids.
b) Clouds are made of water vapor.
c) Clouds are less dense than the air that surrounds them
d) Clouds are warmer than air closer to Earth's surface

What is the relative humidity of saturated air?
a) 25 percent
b) 50 percent
c) 75 percent
d) 100 percent

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