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unit 7 science

TermDefinition
1.CONTINENTAL CRUST thicker parts of earths crust that forms the large land masses
2. CONVERGENT BOUNDARY 2 plates coming together
3.DIVERGENT BOUNDARY 2 plates coming apart
4.geologic event a change in the structure of the Earth by tectonic activities
5. mid-ocean ridge under sea mountain range formed where 2 parts move out
6. ocean basin large bowl shaped depression that holds ocean water :region of crust below sea level
7. oceanic crust thinner part of Earths crust that lies under the ocean basins
8. plate distinct sections of the lithosphere which make up the outer most layer of the Earth
9. plate boundary a region where two lithospheric plates meet
10. sea-floor boundary formation of new oceanic crust due to the up-welling magma at mid-ocean ridges
11. subduction the process where 1 plate goes under another
12. tectonics study of movement of large land masses of rock known as plates on the Earths surface includes folds,faults, and plate movement
13. theory an explanation of a set related by observations or events based upon proven hypotheses and verified multiple by groups of detached researchers and be used to explain and predict natural phenomena
14. theory of plate tectonics A theory that describes plate movement and how it affects earths geologic features
15. transform boundary 2 plates sliding past each other in opposite directions
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