Grid Sheet
100 200 300 400 500
100 200 300 400 500
100 200 300 400 500
100 200 300 400 500
100 200 300 400 500
Snow Summer Sunshine Fall Spring
What is the process by which plants give off water vapor into the air?
Answer
100 points
transpiration
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What is the changing of a liquid to a gas?
Answer
200 points
evaporation
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Water vapor is water in the form of a …
Answer
300 points
gas
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Water vapor in the air comes mostly from …
Answer
400 points
the oceans
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What is the result when a gas changes into a liquid?
Answer
500 points
condensation
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What does capacity mean?
Answer
100 points
amount of material that something can hold
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The actual amount of water in the air is known as…
Answer
200 points
Specific humidity
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When something is saturated it is…
Answer
300 points
filled to capacity
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The amount of water vapor that air can hold changes with the …
Answer
400 points
temperature
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Warmer air can hold _______ water vapor than cold air.
Answer
500 points
more
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Name and describe three types of clouds.
Answer
100 points
cirrus-light feathery
cumulus-big and puffy
stratus-form layers across the sky
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The term for the temperature at which condensation takes place is…
Answer
200 points
dew point
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What are three types of precipitation?
Answer
300 points
rainsnowhail
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What is the name of the instrument used to measure rainfall?
Answer
400 points
rain gauge
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Precipitation may be a liquid or a ________
Answer
500 points
solid
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A large area of air that has the same temperature and amount of moisture…
Answer
100 points
air mass
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Where do tropical and polar air masses form?
Answer
200 points
tropical form near the equator (warm regions)
polar form near Canada (cold regions)
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Molecules in a liquid are always…
Answer
300 points
moving
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What changes when a front moves in?
Answer
400 points
the weather
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Air masses that form over land are always…
Answer
500 points
dry
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Name three characteristics of a tornado.
Answer
100 points
smallviolentfunnel-shaped
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Compare an air mass and a front.
Answer
200 points
An air mass stays over an area for a while or moves slowly; it is very large.A front is the forward edge of an air mass.
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What causes lightning?
Answer
300 points
Giant storm clouds give off electricity.
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High pressure regions usually have what two characteristics?
Answer
400 points
clear skies and cool temperatures
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What is a line on a weather map that connects points of equal pressure?
Answer
500 points
isobar
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