1. Restless Earth
Lessons 3 and 4 Review

2. What happens at a tectonic plate boundary?

3. Answer: Two tectonic plates interact with each other

4. What are 3 things that we can say about the diagram?

5. Answer: 1. This is a convergent Boundary 2. A trench has formed 3
Answer: This is a convergent Boundary 2. A trench has formed 3. A volcanic mountain has formed

6. Where have great amounts of volcanic activity occurred?

7. Answer: Near plate boundaries

8. ________________ are long mountain belts that divide the sea floor and generate new sea floor as magma rises to earth’s Surface.

9. Answer: Mid Ocean Ridges

10. These happen because rock is compressed and forced upward.

11. Answer: Folded mountain Belts

12. What type of stress is displayed?

13. Answer: TENSION

14. What can cause a chain of volcanic islands to form far from plate boundaries?

15. Answer: Hot Spots

16. What type of stress causes deformation at convergent boundaries?

17. Answer: Compression Stress

18. This is the break in a body of rock where one block slides relative to another.

19. Answer: Fault

20. Why do most earthquakes occur at tectonic plate boundaries?

21. Answer: Earthquakes take place where the motion of tectonic plates transfers energy to rock.

22. What type of mountains are shown?

23. Answer: Fault Block mountains

24. Draw an example; The stream runs across a transform fault that was offset by the earthquake

25. Answer:

26. Which would not occur at this subduction zone: a deep ocean trench, an earthquake, a volcano, or a rift valley?

27. Answer: rift valley

28. What type of boundary is shown?

29. Answer: divergent

30. What type of boundary is shown?

31. Answer: convergent

32. What type of boundary is shown?

33. Answer: transform

34. Explain two ways mountain ranges can form.

35. Answer: 1. separation of two fault blocks 2
Answer: 1. separation of two fault blocks 2. collision of two plates with each other causing the rock to be folded and pushed upward.