The process of changing a liquid (water) into a vapor.
What is evaporation?
100
The study of atmosphere and all its phenomena, including weather.
What is meteorology?
100
An intense winter storm with strong winds of 35 miles per hour and heavy falling snow for at least three hours.
What is a blizzard?
100
A visible collection of tiny water droplets or ice crystals floating in the air above Earth.
What is a cloud?
100
This instrument measures the speed of wind.
What is an anemometer?
200
The gathering of water on the ground in oceans, lakes, or as snow.
What is accumulation?
200
The envelope of gases that surround the Earth. Made up of mostly nitrogen and oxygen.
What is the atmosphere?
200
Static electricity that forms inside cumulonimbus clouds as water droplets build up and collide with each other.
What is lightning?
200
Thin, white, wispy-feathery clouds that form high in the sky as water vapor freezes into ice crystals. These signal good weather.
What are cirrus clouds?
200
This instrument measures air pressure.
What is a barometer?
300
**DAILY DOUBLE!!**
The evaporation of water from plants.
What is transpiration?
300
The first layer of the atmosphere, that is closest to the ground. This is the layer in which we live and where weather occurs.
What is the troposphere?
300
A dangerous rotating funnel of air that descends from a thunderstorm. Its winds can reach up to 300 mph.
What is a tornado?
300
Gray, layered sheet-like clouds that form low in the sky. Often produce light rain or drizzle.
What are stratus clouds?
300
To measure the amount of precipitation that has fallen, use this!
What is a rain gauge?
400
The change of water vapor (gas) to liquid water, as when clouds form.
What is condensation?
400
The average weather pattern in a particular region over a long period of time.
What is climate?
400
A severe tropical storm that forms over warm tropical ocean. Winds of at least 74 mph, that weaken as they touch land.
What is a hurricane?
400
Big, white, puffy clouds that look like pieces of floating cotton. These clouds signal fair, nice weather.
What are cumulus clouds?
400
This instrument shows the direction the wind is blowing.
What is a wind vane?
500
General term for water in any form falling from clouds.
What is precipitation?
500
The rise in temperature on Earth because certain gases in the atmosphere trap energy from the sun. Without these gases, Earth would not be warm enough for humans to live.
What is the Greenhouse effect?
500
Extreme conditions that occur when an area receives less rainfall than expected over a period of several months or longer.
What is a drought?
500
Tall, dark clouds that often produce severe weather like lightning, heavy rain, snow, and even tornadoes. Often called "thunderheads".
What are cumulonimbus clouds?
500
**DAILY DOUBLE**
I am a weather instrument that measures humidity.