1. Plate Tectonic Review!!

2. Crumple and Toss Review
Work in groups of 4 (rows 1 and 3 turn around)
All answers written on adding machine tape
If correct, one person takes a shot at the recycle bin.
If they make it, your team scores a point.
If they miss, no points
If they get it in the trash, your team loses a point!
Candy for the winning team(s) at the end.

3. This layer of the Earth is approximately 5-40 km deep and contains the Earth’s surface and the ocean floor.

4. THE CRUST

5. This layer of the Earth consists of two layers, makes up about 80% of the Earth’s volume, and is almost 3,000 km deep.

6. THE MANTLE
THE TWO LAYERS ARE _______?????

7. Lithosphere
Asthenosphere

8. What two metals is the core made out of???

9. IRON AND NICKEL

10. What is the difference in consistency between the inner core and the outer core?

11. INNER CORE: SOLID METAL
OUTER CORE: MOLTEN LIQUID METAL

12. What two things increase as you go deeper into the Earth???

13. TEMPERATURE and PRESSURE

14. What type of currents are in the mantle?

15. CONVECTION CURRENTS

16. The tectonic plates are the ____________ layer of the mantle, while they slide around on the _______________ layer of the mantle.

17. The tectonic plates are the Lithosphere layer of the mantle, while they slide around on the Asthenosphere layer of the mantle.

18. About how much do the tectonic plates move every year???
A m per year
B mm per year
C inches per year
D cm per year

19. D. 1-10 CENTIMETERS PER YEAR

20. What are the three types of plate tectonic boundaries??

21. TRANSFORM, DIVERGENT, and CONVERGENT

22. What is a transform boundary?

23. When two plates slide past each other in opposite directions…
When two plates slide past each other in opposite directions….EARTHQUAKE BOUNDARY!

24. What is a convergent boundary???

25. When two plates run into each other and form MOUNTAINS!!
Or one plate goes on top of the other plate and forms a subduction zone and volcanoes!

26. What is a divergent boundary???

27. A boundary in which tectonic plates pull away from each other and form new land, a rift valley and/or a mid-ocean ridge

28. What is the name of the longest mountain chain in the world and where is it located?

29. Mid Ocean Ridge….Atlantic Ocean

30. What scientist came up with the theory of continental drift?

31. Alfred Wegener

32. What is the Uniformitarian Principle?

33. “The present is the key to the past
“The present is the key to the past..” (whatever processes happening now, happened in the past, too)

34. What is the process called where material travels down ocean trenches, under another plate and back into the mantle?

35. SUBDUCTION

36. Where will most volacanos and earthquakes occur?

37. Along fault lines/Plate boundaries

38. Who came up with the theory of Pangaea?

39. Alfred Wegener

40. Bonus Questions

41. What two forces act on the material being pushed down the trench (subduction zone)?

42. Gravity and convection currents

43. Which Ocean is shrinking?

44. PACIFIC

45. Which ocean is expanding?

46. Atlantic

47. The End!