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Eleanor M. Savko
Vocabulary
Structure of
the Earth
Continental
Drift Theory
11/20/2018
Plate
Tectonics
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2. The thinnest layer of the Earth
Eleanor M. Savko
11/20/2018

3. Eleanor M. Savko
11/20/2018
What is Earth’s crust?

4. The rigid and moving pieces of Earth’s surface.
Eleanor M. Savko
The rigid and moving pieces of Earth’s surface.
11/20/2018

5. What are tectonic plates?
Eleanor M. Savko
11/20/2018
What are tectonic plates?

6. Eleanor M. Savko
11/20/2018
The theory that all the continents are fragments of Pangaea and are now drifting apart.

7. What is the Continental Drift Theory?
Eleanor M. Savko
11/20/2018
What is the Continental Drift Theory?

8. Eleanor M. Savko
11/20/2018
States that the youngest rocks of the ocean floor are at divergent boundaries and the oldest rock is far away from the mid-ocean ridge.

9. What is sea-floor spreading?
Eleanor M. Savko
11/20/2018
What is sea-floor spreading?

10. Although the hottest layer of the Earth, this layer is SOLID metal.
Eleanor M. Savko
11/20/2018
Although the hottest layer of the Earth, this layer is SOLID metal.

11. Eleanor M. Savko
11/20/2018
What is the inner core?

12. main layers of the Earth
Eleanor M. Savko
11/20/2018
There are _____
main layers of the Earth

13. Eleanor M. Savko
What is 4?
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14. The thickest layer of the earth.
Eleanor M. Savko
11/20/2018

15. Eleanor M. Savko
11/20/2018
What is the mantle?

16. Eleanor M. Savko
11/20/2018
DAILY
DOUBLE!!!

17. Plates float on top of the __________.
Eleanor M. Savko
11/20/2018

18. What is the asthenosphere?
Eleanor M. Savko
11/20/2018
What is the asthenosphere?

19. The rigid part of the Earth including the crust and the upper mantle (makes up the plates on the Earth)
Eleanor M. Savko
11/20/2018

20. What is the lithosphere?
Eleanor M. Savko
11/20/2018
What is the lithosphere?

21. Eleanor M. Savko
11/20/2018
The Earth’s crust is thinnest under the ________ and thickest under the __________ .

22. What is the ocean and continents?
Eleanor M. Savko
11/20/2018
What is the ocean and continents?

23. The person the created the Continental Drift Theory.
Eleanor M. Savko
11/20/2018
The person the created the Continental Drift Theory.

24. Eleanor M. Savko
11/20/2018
Who is Alfred Wegner?

25. Evidence of matching animal fossils from two separate continents
Eleanor M. Savko
11/20/2018
Evidence of matching animal fossils from two separate continents
__________& _______ ________

26. What are Africa and South America?
Eleanor M. Savko
What are Africa and South America?
11/20/2018

27. Evidence of tropical plants were found on this continent.
Eleanor M. Savko
11/20/2018
Evidence of tropical plants were found on this continent.

28. Eleanor M. Savko
11/20/2018
What is Antartica?

29. Pangaea existed this many millions of years ago.
Eleanor M. Savko
11/20/2018
Pangaea existed this many millions of years ago.

30. Eleanor M. Savko
11/20/2018
What is 250 Ma?

31. Eleanor M. Savko
11/20/2018
Continental Drift Theory was not accepted because it does not explain this.

32. What are convection currents/how the continents moved?
Eleanor M. Savko
What are convection currents/how the continents moved?
11/20/2018

33. Earthquakes and volcanoes are usually located in relation to this.
Eleanor M. Savko
11/20/2018

34. What is the Pacific Ring of Fire or plate boundaries?
Eleanor M. Savko
11/20/2018
What is the Pacific Ring of Fire or plate boundaries?

35. Eleanor M. Savko
11/20/2018
DAILY
DOUBLE!!!!

36. Eleanor M. Savko
11/20/2018
The mid-ocean ridge is an example of _______ boundary and ________ happens here where new ocean floor is formed.

37. What is divergent boundaries and sea-floor spreading?
Eleanor M. Savko
11/20/2018
What is divergent boundaries and sea-floor spreading?

38. Eleanor M. Savko
11/20/2018
Name four major plates.

39. Eleanor M. Savko
11/20/2018
What is any of the following; North American plate, South American plate, Eurasian plate, Indo/Australian plate, African plate, Antarctica plate .

40. What causes plates to move.
Eleanor M. Savko
11/20/2018
What causes plates to move.

41. What are convection currents?
Eleanor M. Savko
11/20/2018
What are convection currents?

42. The two types of convergent boundaries.
Eleanor M. Savko
11/20/2018
The two types of convergent boundaries.

43. What is subduction (where volcanoes often occur) and collision (where mountains usually form)?
Eleanor M. Savko
11/20/2018

44. The Himalayan mountains are the result of a ________ boundary.
Eleanor M. Savko
11/20/2018
The Himalayan mountains are the result of a ________ boundary.

45. What are convergent boundaries?
Eleanor M. Savko
11/20/2018
What are convergent boundaries?

46. Hot air or solid material that moves like a liquid in the mantle is less ______ than cool air or material that moves in the mantle.
Eleanor M. Savko
11/20/2018

47. Eleanor M. Savko
11/20/2018
What is dense?

48. Eleanor M. Savko
11/20/2018
____________ are a result from the build up of stress at a plate boundary.

49. Eleanor M. Savko
11/20/2018
What is an earthquake?

50. Eleanor M. Savko
11/20/2018
The San Andreas Fault in California is an example of a _________ boundary.

51. What is a transform boundary?
Eleanor M. Savko
11/20/2018
What is a transform boundary?

52. Eleanor M. Savko
This person used sonar to map the bottom of the ocean and discovered the mid-ocean ridge in the Atlantic Ocean.
11/20/2018

53. Eleanor M. Savko
11/20/2018
Who is Harry Hess?