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25 Cards in this Set
- Front
- Back
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What are some factors that might interrupt the wind blowing in a straight line forever? |
Differences in temperature, seas or oceans, mountains and valleys, coriolis effect. |
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Compare the air pressure at sea level with air pressure on top of a mountain. How are they different? |
Air pressure at sea level is higher than air pressure on top of a mountain. |
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Why are they different? |
Air at sea level is denser or weighs more and pushes down harder. |
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Many factors can affect the air pressure of a region. what are some of those factors that can change or affect air pressure? Explain each. |
Volume, Height above Earth's surface, Temperatures, Amount of water vapor. |
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Volume |
more volume equals less air pressure |
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height above Earth's surface |
at sea level air is more dense than high in the atmosphere, dense air wights more and pushed down harder. |
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temperature |
warm air weighs less and has less air pressure than cold air. |
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amount of water vapor |
moist air exerts less pressure than dry air. |
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Air contains these two gases which are heavier than molecules of water vapor. |
Nitrogen and Oxygen |
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Air molecules in warm air exert_____ pressure than air molecules in cold air. |
less |
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Air pressure is______ at sea level, than high in the atmosphere. |
higher |
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If the volume of a container decreases, the air pressure inside the container will |
increase |
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When denser air moves toward less dense air, it creates____ |
wind |
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These form because of unequal heating and cooling of the air. |
Convention Cells |
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Rising air is an ______, while sinking air is an ______. |
updraft, downdraft |
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Warm air rises because it is_______, or less dense. |
lighter |
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On a warm day, the air above the land rises, and a cool_______ breeze blows toward the land. |
sea |
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At night, the land cools more quickly than the water, causing an_____ breeze to blow toward the water. |
land |
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A line on a weather map connecting locations with equal air pressure is called_______ |
isobar |
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True |
land warms up faster than water |
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true |
winds in the Northern Hemisphere seem to curve to the right because Earth is rotating under them. |
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True |
Warm moist air over the equator creates a zone of low pressure. |
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True |
spinning cups of a anemometer help measure wind speed. |
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True |
You can tell wind direction by looking at a weather vane. |
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True |
As the air at the equator warms, it becomes less dense and rises. |
