Shared Flashcard Set

Details

Title

earth science

Description

helpful cards

Total Cards

Subject

Science

Level

Undergraduate 2

Created

09/26/2011

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Additional Science Flashcards

Term

hydrosphere

Definition

water portion of the earth - oceans, atmospeheric, streams, lakes, glaciers.

Term

atmosphere

Definition

thin envelope of gases that surround the earth. 78% nitrogen and 21% oxygen. Enables us to breath and protects us from the suns radiation

Term

Biosphere

Definition

Which contains all of the planet's living organisms form on the ocean floor upward to several kilometers into the atmosphere.

Term

Lithosphere

Definition

(Litho means rock) Ridgid outer layer that includes the crust and part of the up manttle