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Earth Science Regents Review
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Earth Science Regents Review
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25 Questions

1. (Anthropogenic)
-nuclear waste
-CO2 Emissions

2. distance that light travels in 1 year
-186miles in 1 second

3.

4. share ridges

5. Regional and Contact

6. Way of simplifying large numbers (Values) so they are easier to work with
EX:
4,600,000= 4.6 x 10^9
4.09 x 10^-2 = .0409
.00432 = 4.32 x 10^-3

7. Epoch, Era, Period, Eon: Eon
Era
Period
Epoch

8.
-Horizontal rock strata (layers)
-Rock layers that are flat, horizontal and parallel to one another
-no crustal movement

9. 4.6 billion years old

10. a balance between 2 of more systems

11. Region where value is the highest

12. The time a P or S wave gets to another location (clock time)

13. Primary and Secondary

14.
rapid deposition in calm water

15.
Cells in the asthenosphere cause plate motion
CONVECTION= temperature differences that create density differences which create movement

16.
When Oxygen and Silicon come together they form a Silicate
ex: O2 + Si = SiO2
Form a Tetrahedron Shape (3 sided pyramid w a base)

17. When Pressure increases, density increases

18.
P&S-Waves get refracted (bent) and change direction when they encounter different densities
-S waves do not travel through liquid so they do not appear in the shadow zone

19. ...

20. cone shaped hill

21. the rigid outer shell of the earth (Crust)
Types: Oceanic/Continental

22.
-Parallel to the Equator
-Ranges from -0 degrees- 90 degrees North
-0 degrees- 90 degrees South
-In northern hemisphere latitude is = to angle of polaris

23. R/T pg. 1
-Oxygen= 46.1%
-Silicon= 28.2%

24. No Movement but overall balance

25. high altitude, mountain location