Details

Title: 4th Grade Weather unit cards

Description: 4th Grade Weather unit cards

Total Flash Cards: 13

Created: 02/14/2007 18:40:32

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Term
Air Pressure
 Definition
The wieght of air as it pushes down.
Term
Greenhouse Effect
 Definition
THe greenhouse effect is the process by which heat from the sun builds up near Earth's surface and is trapped by the atmosphere.
Term
Weather
 Definition
The condition of the Earth's atmosphere at a certain place and time.
Term
Condensation
 Definition
Condensation is the change of state from a gas to a luquid.
Term
Evaporation
 Definition
Evaporation is the change of state from a luquid to a gas.
Term
Precipation
 Definition
Is any form of water that falls from the clouds to Earth's atmosphere.
Term
Water Cycle
 Definition
Is the movement of water into air as water vapor and bck a to the Earth's surface as precipation.
Term
Air Mass
 Definition
Is a large body of air that has about the same temperture and moisture throghout.
Term
Front
 Definition
THe place where the to air masses meet is called the front.
Term
Climate
 Definition
The avarge weather conditions is an area over a long period of time.
Term
Polar Climate
 Definition
Polar climate has very cold weather all year.
Term
Temperate climate
 Definition
Usally has warm dry summers and cold wet winters.
Term
Tropical climate
 Definition
A Tropical climate is hot and sometimes rainy.