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Earth Science
Chapter 4
15
Science
8th Grade
09/06/2012

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Term
Big Bang Model
Definition

Instant expansion of extremely small agglomeration of matter that is high density and temperature.

(Theory holding the universe's origin)

 

Term
Astronomy
Definition
Study of the Universe
Term
Dust Cloud Theory
Definition
Explanation of the origin of the solar system.
Term
Geology
Definition
Study of earth's surface and interior
Term
Hypothesis
Definition
tentative explaination or observation, phenomenon, developed from available information used for tests
Term
Meterology
Definition
Study of the process of the earth's atmosphere
Term
Oceanography
Definition
Study of the oceans
Term
Photosynthesis
Definition
Process which plants use chlorophyll to make food
Term
Proto
Definition
in first form
Term
Photochemical dissociation
Definition
Process of breaking up chemicals by sunlight
Term
Crust
Definition
The very thin outer layer of the earth, extending up to 65km deepest
Term
Inner core
Definition
Solid inner most layer of the earth
Term
Lower mantle
Definition
Hotter part of the mantle
Term
Outer core
Definition
Part of the core between the inner part and the mantle
Term
Upper mantle
Definition
Part of the mantle that is cooler than the lower mantle
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