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Weather
Weather and Water Cycle
27
Science
4th Grade
02/23/2011

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Cards

Term
Meteorologist
Definition
People who study weather
Term
Weather
Definition
condition of the air around us
Term
Atmosphere
Definition
mass of air that surrounds the earth
Term
Air Pressure
Definition
The downward push of the air in the atmosphere
Term
Barometer
Definition
instrument used to measure changes in the atmospheric pressure
Term
Anemometer
Definition
Instrument used to measure wind speed
Term
Condensation
Definition
A change from liquid to gas
Term
Precipitation
Definition
water falls to the ground in liquid or solid form
Term
evaporation
Definition
the change from liquid to gas
Term
Wind vane
Definition
instrument that shows wind direction
Term
Thermometer
Definition
instrument that shows the temperature
Term
Troposphere
Definition
The lowest layer of the atmosphere where most weather happens
Term
Humidity
Definition
The amount of water vapor in the air
Term
Forecast
Definition
Prediction of weather for a given area and time
Term
Meterology
Definition
Scientific study of the weather and the atmosphere
Term
Cumulus
Definition
puffy, fair-weather clouds
Term
Cirrus
Definition
high, thin, wispy clouds made of ice crystals
Term
Does weather occur in the layers of atmosphere above the troposphere
Definition
No. Weather only occurs in the troposphere.
Term
Does humidity measure the amount of rain falling to earth?
Definition
No. Humidity measures the amount of water vapor in the air.
Term
What does air do when it is heated?
Definition
Air rises when it is heated.
Term
What do differences in the way the earth's surface is heated cause?
Definition
Changes in the air temperature and weather.
Term
What happens to the air as you go higher into the atmosphere.
Definition
The air gets thinner and cooler
Term
Rain Guage
Definition
Measures precipitation
Term
Wind (what causes wind)
Definition
differences between temperature and air pressure
Term
What does air in the atmosphere do to the earth?
Definition
Presses down on everything on earth.
Term
Energy from the sun does what to the earth?
Definition
Warms the surface of the earth, which warms the air above it.
Term
Name three terms involved in the water cycle.
Definition
Evaporation, Condensation, Precipitation
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