
Full Weather Test Review
Flashcard
•
Science
•
8th Grade
•
Hard
Wayground Content
FREE Resource
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15 questions
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1.
FLASHCARD QUESTION
Front
What is humidity?
Back
Humidity is the amount of water vapor present in the air. It is usually expressed as a percentage.
2.
FLASHCARD QUESTION
Front
What is relative humidity?
Back
Relative humidity is the ratio of the current amount of water vapor in the air to the maximum amount of water vapor the air can hold at that temperature, expressed as a percentage.
3.
FLASHCARD QUESTION
Front
What is a dew point?
Back
The dew point is the temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid.
4.
FLASHCARD QUESTION
Front
How does temperature affect relative humidity?
Back
As temperature increases, the capacity of air to hold moisture increases, which can lower relative humidity if the amount of moisture remains constant.
5.
FLASHCARD QUESTION
Front
What is a cold front?
Back
A cold front is a boundary between a mass of cold air and a mass of warm air, where the cold air pushes under the warm air, often leading to precipitation.
6.
FLASHCARD QUESTION
Front
What instrument measures humidity?
Back
A hygrometer is an instrument used to measure the amount of humidity in the air.
7.
FLASHCARD QUESTION
Front
What happens to air pressure when humidity increases?
Back
When humidity increases, air pressure typically decreases because water vapor is less dense than the nitrogen and oxygen that make up most of the atmosphere.
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