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10 Cards in this Set
- Front
- Back
the temperature at which cooling air becomes saturated and begins to release some of its water vapor through condensation |
dew point |
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the process by which cooling water leaves the air and changes into tiny droplets of liquid water |
condensation |
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droplets of water that form on cool surfaces when water vapor from the air condenses |
dew |
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tiny crystals of ice formed when water vapor freezes onto a cold object |
frost |
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On what essential weather ingredient do things like clouds, rain, and storms depend? |
water vapor |
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Which is able to hold more water vapor, warm air or cold air? |
warm air |
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As air cools, what happens to its relative humidity? |
It rises. |
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What do we call air that has reached 100% humidity? |
saturated |
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Can you explain why the bathroom mirror is fogged up after you take a shower? |
Water vapor in the warm, humid air condenses on the cold surface of the mirror. |
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On a hot, humid day, the windows of an air-conditioned building will sometimes be covered over with a dewy layer of water. What causes the windows to fog up? |
The cool air in the building makes the window less cool. When the hot, humid outside air comes into contact with the cool glass, the air cools below its dew point and deposits some of its water vapor through condensation onto the outside of the windows. |