Sedimentary Rocks: A Deeper Look 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. Why are mud cracks indicative that an area went through a period of wetting and drying?

Question 2 2. When dissolved minerals crystallize and glue sediment grains together, what process is taking place?

Question 3 3. Which of the following types of sediment is composed of rock fragments?

Question 4 4. Which type of sedimentary rock is composed of mineral crystals that form out of solution?

Question 5 5. Which of the following statements correctly describes lithification?

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Question 6 6. If you looked at a sedimentary rock and noticed that it had some layers lying at angles (i.e. not parallel) to the usual horizontal layers, which sedimentary structure would be present?

Question 7 7. What arrangement would you expect to see if there was graded bedding present?

Question 8 8. Which of the following scenarios is most likely to result in lithification?

Question 9 9. Detrital sedimentary rocks are mainly classified by the size of their grains. Which of the following grain sizes is smallest?

Question 10 10. Which of the following terms is used to describe the layering found in sedimentary rocks?

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Question 11 11. Which of the following terms is used to describe the process of solid mineral crystals separating out of a solution?

Question 12 12. Coal forms when the remains of living organisms accumulate and convert to solid carbon. Therefore, coal comes from which type of sediment?

Question 13 13. Halite is an example of a mineral found in rocks that forms from the evaporation of water, making it which of the following?

Question 14 14. If crystals are already present but then reform due to a certain chemical environment, which process is most likely taking place?

Question 15 15. Which of the following is TRUE of sedimentary rocks?

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Question 16 16. Which of the following terms is used to describe the consolidation of sediments due to the intense pressing weight of overlying deposits?

Question 17 17. Which sedimentary structure is described as small, wavy ridges of sediment and might indicate that the rock originated in a stream bed, lake, or on a beach?

Question 18 18. Why is sedimentary rock the only type of rock that can contain fossils?

Question 19 19. Which sedimentary rock forms when clay-sized grains are cemented together?

Question 20 20. Which of the following statements is FALSE concerning detrital sedimentary rocks?

Sedimentary Rocks: A Deeper Look 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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