CHAPTER 02 ​ Plate Tectonics Review

10. _____ are formed when two continental plates collide.

12. What type of plate boundary occurs between the North American Plate and the Eurasian Plates?

18. Ocean trenches are formed along lines where two plates diverge under the water.

2. Scientists have observed that the plates move at rates ranging from 1 cm to 12 cm per ___.

16. What causes tectonic plates to move?

3. The result of plate movement can be seen at _____.

21. The youngest rocks on the ocean floor are located _____.

6. Plates move apart at _____ boundaries.

25. Active volcanoes are most likely to form at _____.

8. The boundary between two plates moving together is called a ____.

24. The Great Rift Valley in Africa is a _____.​​

11. A _____ forms where two oceanic plates collide.

17. Which is NOT evidence scientists use to support the theory of plate tectonics?

7. Plates slide past one another at _____.

15. Which type of stress occurs at a transform plate boundary?

9. Matching _____ on different continents are evidence for continental drift.

22. Plates move apart at _____ boundaries.

26. The _____ is (are) an example of a transform boundary.

20. Mid-ocean ridges are split into sections by transform faults.

13. What happens when an oceanic plate and a continental plate collide?

1. A stress that squeezes is called tension.

23. Seafloor spreading occurs because _____.

4. The presence of the same _____ on several continents supports the hypothesis of continental drift.

14. What is a subduction zone?

5. The hypothesis that continents have slowly moved to their current locations is called _____.