1. Boundaries
Earth
Theories
Theories
Potpourri
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2. What is mostly likely to occur at a transform boundary?

3. What are earthquakes?

4. New lithosphere is mostly created at what type of plate boundary?

5. What is divergent?

6. At what type of plate boundary does subduction occur?

7. What is convergent?

8. How were the Himalayan mountains formed?

9. The collision of two lithospheric plates

10. What is subduction?

11. The process of one plate moving below another plate

12. The distance from the earth’s surface to the center of the earth is?

13. What is 6,000 km?

14. The earth is how old?

15. What is 4.5 billions years old?

16. The lithosphere is used to refer to which layers of the earth?

17. What are the crust and the upper mantle?

18. Name the layers of the earth starting from the outer most layer

19. What are the crust, mantle, outer core, and inner core?

20. Name three major events that occurred before modern humans were on the earth.

21. Various Answers: Teacher will read

22. What is the theory of continental drift?

23. He believed that the land masses were previously joined together to form a supercontinent.

24. Who came up with theory of continental drift?

25. What is Alfred Wegener?

26. What was the supercontinent called in Wegener’s theory?

27. What is Pangea?

28. Give three pieces of evidence to support Wegner’s theory?

29. Coal in northern regions.
Shared animal fossils on continents that could be connected.
Glacier scraps in Africa.

30. The earth’s surface is broken into large ______ that extend down into the upper mantle?

31. What are plates?

32. What is the theory of plate tectonics?

33. What is the lithosphere of the earth is made up of large plates that have moved over time?

34. Plate tectonics helps explain the formation of what?

35. What are mountains and volcanoes?

36. What evidence do scientist have that promotes plate tectonics?

37. Fossils found in South America and Africa
What is:
Fossils found in South America and Africa
Unusual rock layers found in North America, Europe, and Africa.
Continents move at a rate of cm per year.

38. The plates that move on the earth are located where?

39. What is lithosphere?

40. What is one theory that explains what causes the plates to move?

41. What are convection currents?

42. What type of volcano releases fast-moving, less gassy lava, and tend to have less explosive eruptions?

43. What is shield?

44. What type of volcano has explosive eruptions as a result of more gassy magma. These are also known as stratovolcanoes.

45. What are composite volcanoes?

46. What type of volcanoes are formed from explosive eruptions that shoot pieces of magma and ash into the air that fall and make a round hole?

47. What are cinder cones?

48. What do you call an opening in the earth from which magma and gas erupt?

49. What is a volcano?

50. A scientist who use evidence from rocks and fossils to understand when events occurred in the history of life?

51. What is a paleontologist?