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Geologic Time: Help and Review 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. If two dinosaurs, one small and one large, both die in similar conditions and are both rapidly buried in the same material, which is more likely to be preserved as a fossil?

Question 2 2. What divides the two major eons (the Precambrian and Phanerozoic Eons)?

Question 3 3. Any fault lines or igneous intrusions that cut across a set of rock strata must be _____ that set of rock.

Question 4 4. Rapid burial protects a deceased body from all of the following EXCEPT:

Question 5 5. Which of the following terms is used to describe the time required for a quantity to fall to half of its starting value?

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Question 6 6. An index fossil represents a species that _____.

Question 7 7. If Fossil A is found in a lower rock layer, and Fossil B is found in an upper rock layer, then Species A most likely _____.

Question 8 8. Radiometric dating is a method used to date rocks based on what?

Question 9 9. Why do many geologists study layers of strata?

Question 10 10. How does an eon differ from an era?

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Question 11 11. In stratigraphic succession, scientists study the various _____ of rock.

Question 12 12. The Mesozoic Era was the Age of Dinosaurs, and the current Cenozoic Era is the Age of _____.

Question 13 13. The statement Rock A is seventeen years old is an example of _____.

Question 14 14. The change from catastrophism to uniformitarianism made scientists decide that Earth must be _____ than previously thought.

Question 15 15. A scientist would not be able to use radiocarbon dating to find the age of which of the following samples?

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Question 16 16. An interface between discontinuous layers of rock is called _____.

Question 17 17. Today, geologists believe mostly in _____, with a little bit of _____.

Question 18 18. Which of the following terms is used to describe the process by which an unstable atomic nucleus loses energy by releasing radiation?

Question 19 19. _____ bones are more likely than _____ to be scattered, trampled, weathered, and/or crushed.

Question 20 20. If Sedimentary Layer A occurs above Sedimentary Layer C and Sedimentary Layer B is below Sedimentary Layer C, which of the following is the correct order of the layers (from oldest to youngest)?

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Question 21 21. The best conditions for preservation of soft tissues are _____ temperatures and _____ air.

Question 22 22. Which of the following statements is true of radiocarbon dating?

Question 23 23. Hard parts are more likely to become fossilized because they are LESS likely to:

Question 24 24. In uranium-lead dating, we see that two unstable uranium isotopes decay into stable lead isotopes. Which of the following statements is true about this decay?

Question 25 25. Which of the following would NOT be a good trait for an index fossil?

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Question 26 26. James needs to write a report which will describe the ups and downs of mammals in a previous time period. Why would discussing epochs make sense?

Question 27 27. Scientists couldn't perform numerical dating of rocks until they discovered _____.

Question 28 28. Catastrophism assumes that the Earth's landscape was shaped by _____.

Question 29 29. The Principle of Original Horizontality applies only to _____ rocks.

Question 30 30. How did the Bible influence Cuvier's view that the Earth is relatively young?

Geologic Time: Help and Review 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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