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Earth
Earth
12
Geology
8th Grade
02/11/2010

Additional Geology Flashcards

 


 

Cards

Term
Inner Core
Definition
The solid iron, center of the earth (1300 km)
Term
Outer Core
Definition
The liquid outer part of the center, made of iron and nickle (2250 km)
Term
Mantle
Definition
The thickest layer of earth, liquid-ish (2900 km)
Term
Crust
Definition
Made of the lithosphere and asthenosphere. Outer most Layer (rocks, 32km)
Term
Troposphere
Definition
The lowest layer in earths atmosphere. Where plans fly. (tropo means change.)
Term
Stratosphere
Definition
2nd lowest layer in earth's atmosphere. Contains the ozone layer. (strato means layer, sheet)
Term
Ozone Layer
Definition
Ozone is a gas that occurs naturally in our atmosphere. (made of 3 oxygens, protects earth from the suns harmful says)
Term
Mesosphere
Definition
#rd later in earths atmosphere. (meso means middle)
Term
Thermosphere
Definition
the thickest layer, and includes most of what we call "space". The Space Shuttle orbits in the thermosphere. Temperatures in this layer can be over 4000°F during the daytime. "Thermo" is Greek for "heat."
Term
Exosphere
Definition
the outermost layer. Exo is Greek for "outside." There's no specific line where the exosphere ends-- at about 600 miles up, we just consider it "outer space."
Term
Land Breeze
Definition
A coastal breeze at night blowing from land to sea, caused by the difference in the rates of cooling of their respective surfaces.
Term
Sea Breeze
Definition
A coastal local wind that blows from the ocean onto the land and often begins during some time during the day at many coastal locations.
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