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Tools
Water Cycle
Vocabulary
Clouds
Challenge
100
Instrument used to measure rainfall.
What is a rain gauge?
100
The source of energy for the water cycle.
What is the sun?
100
Name for the gases surrounding the earth.
What is atmosphere?
100
Thin, wispy clouds that are high in the sky.
What cirrus clouds?
100
The leading edge of an air mass as it moves around.
What is a front?
200
Instrument used to measure wind direction.
What is a weather vane?
200
The process of water collecting in a lake, river, stream, or ocean.
What is runoff?
200
This gas makes up about 78% of the air we breathe.
What is nitrogen?
200
White, puffy clouds that usually appear on nice days.
What are cumulus clouds?
200
The temperature of air near water is generally ________ than air away from water.
What is cooler?
300
Instrument used to measure air pressure.
What is a barometer?
300
The process during which liquid water turns into water vapor.
What is evaporation?
300
Scientific name for a person who studies weather.
What is a meteorologist?
300
Type of clouds that are layered, low in the sky, and often bring precipitation.
What are stratus clouds?
300
How wind is formed.
What is uneven heating of the earth's surface?
400
Instrument used to measure wind speed?
What is an anemometer?
400
The process by which plants release water vapor into the air.
What is transpiration?
400
The push of air in all directions.
What is air pressure?
400
Process by which clouds are formed.
What is condensation?
400
What the weather is like when the air pressure drops from high to low.
What is stormy?
500
Instrument used to measure humidity.
What is a hygrometer?
500
The process of liquid or solid water falling to the ground.
What is precipitation?
500
The layer of atmosphere that is closest to Earth.
What is the troposphere?
500
Term for stratus clouds that reach the ground.
What is fog?
500
Event that causes the temperature to drop from 98 degrees Fahrenheit to 79 degrees Fahrenheit.
What is the arrival of a cold front?