Prentice Hall Earth Science Chapter 9: Plate Tectonics Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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Question 1 1. What was the main discovery when people began mapping the ocean floor after World War II?

Question 2 2. What is the name of the underwater mountain range that runs from Iceland to Antarctica?

Question 3 3. Wegener's name for the super-continent he thought existed before the continents broke apart was _____.

Question 4 4. In the fall of 1911, what was one of the problems Alfred Wegener saw in the theory that the Earth was unchanging?

Question 5 5. The boundary in the picture is

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Question 6 6. Which of the following best defines the Mid-Ocean Ridge?

Question 7 7. When the mantle pushes the edges of a tectonic plate higher, gravity can pull downward on it, causing the plate to move. This is known as what?

Question 8 8. What was the accepted theory about the Earth's continents during Wegener's time?

Question 9 9. What was the name of the project started in the 1960s that was designed to extract and analyze samples from the ocean floor?

Question 10 10. Why did it matter that tropical plant fossils were found in Antarctica?

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Question 11 11. Which of the following best describes the theory of plate tectonics?

Question 12 12. Plate tectonics is the theory that the Earth's crust _____.

Question 13 13. The process by which heat from the Earth's interior causes magma to rise and sink is known as what?

Question 14 14. The mountains in the picture were formed when India collided with Asia. These mountains were formed by

Question 15 15. If you had a career as a paleomagnetist, what would you study?

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Question 16 16. All of the following statements about hot spots are true, EXCEPT:

Question 17 17. What are tectonic plates comprised of?

Question 18 18. What separates the South American plate and the African plate?

Question 19 19. What happens to strips of the ocean floor going out from oceanic ridges?

Question 20 20. How do the normal and reversed polarity of stripes of ocean floor prove that the earth's magnetic field has changed multiple times since its formation?

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Question 21 21. Why was seafloor spreading an important discovery?

Question 22 22. Why would Alfred Wegener have been happy to learn that there was evidence to support the theory of plate tectonics?

Question 23 23. What evidence did Wegener NOT use to support his idea of continental drift?

Question 24 24. How does the formation of the Ural Mountains prove the idea of supercontinents?

Question 25 25. As the leading edge of a tectonic plate is forced back into the mantle, a small convection current forms beneath it, pulling it downwards. This is known as what?

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Question 26 26. Convection is:

Question 27 27. Where was North America located when it was part of Laurasia?

Question 28 28. Which term is best described as the creation of new oceanic crust due to the upwelling of magma?

Question 29 29. What are the plates of the Earth's crust?

Question 30 30. What makes the Pacific plate unique compared to other plates?

Prentice Hall Earth Science Chapter 9: Plate Tectonics Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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