grade 10 causes of plate movement Q1.LESSON 4.pptx

grade 10 Q1.LESSON 4.pptx

1. 1. A 12. D 23. A 34. TRUE 2. D 13. B 24. B 35.WILL PINPOINT 3. D 14. B 25. A 36.TRUE 4. D 15. D 26. THE EDGES OF CONTINENTS 37.MOUNTAIN RANGES 5. C 16. D 27. BOTH SITUATED 38.LONGITUDE 6. A 17. D 28. TRUE 39.TRUE 7. A 18. D 29. TRUE 40.TRUE 8. A 19. B 30. TRUE 41.-44.DOS 9. D 20. D 31. TRUE 45. CONSTRUCTIVE 10. A 21. B 32. TRUE 46.CONSERVATIVE C 22. A 33.NOT RANDOMLY 47.DESTRUCTIVE 48-50-CONVERGENT TYPES

2. Constant Change on Earth’s Surface Plate tectonics is a theory that makes sense out of earth’s constantly changing.

3. Mechanism and Possible Causes of Plate Movements 1. mantle convection current- warm mantle currents drive and carry plates of lithosphere along a like a conveyor belt

4. Mechanism and Possible Causes of Plate Movements 2. Ridge Push- newly-formed plates at oceanic ridges are warm, and so have a higher elevation at the oceanic ridge than the colder

5. Mechanism and Possible Causes of Plate Movements 3. slab pull- older, colder plates sink at subduction zones, as they cool, they become more dense than the underlying mantle

6. ANSWER THE FOLLOWING QUESTIONS Based from the picture, what do you think are the causes of plate movement? Describe movement of plate. Explain why plates are moving?

7. ANSWER THE FOLLOWING QUESTIONS In the cycle shown, is mantle made of silicate rocks? Why? Why do mantle rock rises?

8. How to deal with Consequences of Plate Movements Tectonic plate movements cause earthquakes and tsunamis, volcanic eruptions, and formation of new islands. To deal with after-effects of plate movement, one must be: well-informed and knowledgeable about what's happening around. able to gather information to determine present situation.

9. How to deal with Consequences of Plate Movements alert to assess the potential type and magnitude of hazards associated with the condition vigilant if warning signals are given about the incoming disaster.

10. Mechanism and Possible Causes of Plate Movements 2. Ridge Push- newly-formed plates at oceanic ridges are warm, and so have a higher elevation at the oceanic ridge than the colder

11. Mechanism and Possible Causes of Plate Movements 3. slab pull- older, colder plates sink at subduction zones, as they cool, they become more dense than the underlying mantle

12. ALFRED WEGENER

13. GROUP ACTIVITY

14. ARTHUR HOLMES

15. HUGO BENIOFF

16. Answer the following questions. 1.If your geologist, what theory will you present to describe the Plate Tectonic? 2.What do you think will happen to earth if tectonic plates are not moving? 3.What ideas or principles can you add to these articles?