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Plate Tectonics Theory 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. An unconformity is:

Question 2 2. The law of superposition states that in an undisturbed sequence of rock:

Question 3 3. Uniformitarianism states:

Question 4 4. Using the law of superposition, put the following layers in order from oldest to youngest: yellow, orange, purple, red, green, blue.

Question 5 5. What magnetic readings are detected in stripes of the ocean floor closest to the crest of ocean ridges?

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Question 6 6. Which of the following best defines reversed polarity?

Question 7 7. Which of the following best defines the Mid-Ocean Ridge?

Question 8 8. 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?

Question 9 9. Which of the following describes the process of subduction?

Question 10 10. How are fold mountains formed?

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Question 11 11. Which of the following statements regarding dome mountains is TRUE?

Question 12 12. Which of the following is an example of hotspot mountain formation?

Question 13 13. The East Pacific Rise is spreading how much each year?

Question 14 14. What forms the base of the food chain at hydrothermal vents under the ocean?

Question 15 15. Over 90% of mid-ocean ridges are underwater. Where is part of a mid-ocean ridge above water?

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Question 16 16. What type of rock is usually formed when magma hardens as part of the process of mid-ocean ridge formation?

Question 17 17. What kind of fault is the San Andreas Fault?

Question 18 18. What is a fault?

Question 19 19. The Himalayas were formed by which kind of fault?

Question 20 20. What is the term given for faults that involve the plates moving away from each other?

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Question 21 21. Which is NOT involved in the process of sea floor spreading?

Question 22 22. What kind of anomalies around mid-ocean ridges helped scientists explain that the seafloor was spreading?

Question 23 23. What fills in the gap where mid-ocean ridges are pulling apart?

Question 24 24. Two tectonic plates that moving towards each other where one plate goes under the other plate are called what?

Question 25 25. Which is an example of a subduction zone in which oceanic crust is sinking under continental crust?

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Question 26 26. Which type of crust is the densest?

Question 27 27. A subduction zone occurs at what type of plate boundary?

Question 28 28. Which of the following occurs at subduction zones?

Question 29 29. In this rock formation, the Law of _____ states that the layers will be formed in a _____ manner.

Question 30 30. Which term is best described as the creation of new oceanic crust due to the upwelling of magma?

Plate Tectonics Theory 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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