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5. 100 200 300 400 500 Relative Dating Absolute Dating Radiometric Dating Fossils Vocabulary 1 Vocabulary 2

6. He was a farmer and physician who came up with uniformitarianism. A 100

7. Who was James Hutton? A 100

8. s Hutton observed geological ______ on his ____ that prompted him to formulate the principle of uniformitarianism. A 200

9. What are geological changes on his farm? A 200

10. Using the Law of Superposition gives a ______ age. A 300

11. What is relative? A 300

12. Before the idea of uniformitarianism, people believed the earth was ______ years old. A 400

13. What is 6,000? A 400

14. Relative age indicates only that one rock formation is _____ or _______ than another rock formation. A 500

15. What is younger or older? A 500

16. B 100 Scientist can study the rates of ______ in a stream to help estimate absolute age.

17. What is erosion? B 100

18. Using rates of erosion is not dependable for features like the Grand Canyon because… B 200

19. What is the rates vary greatly over millions of years? B 200

20. Another way to estimate absolute age is to calculate the rate of sediment deposition. This is not always accurate because… B 300

21. What is the rates of deposition can vary such as during a flood ? B 300

22. Varve count is similar to counting …. B 400

23. What are growth rings in a tree’s trunk? (tree rings) B 400

24. B 500 Sedimentary deposits in glacial lakes that are form varves consisting of _____ colored and ______ colored layers.

25. What are light and dark colored layers? B 500

26. Rocks generally contain small amounts of radioactive material that act as natural ______. C 100

27. What are clocks? C 100

28. Scientist use the natural breakdown of isotopes to accurately measure ______ age in rocks. C 200

29. What is absolute age? C 200

30. Scientist compare the amount of ____ and _____ isotopes to determine the absolute age of the rock. C 300

31. What are parent and daughter? C 300

32. DAILY DOUBLE C 400 DAILY DOUBLE Place A Wager

33. It would take ____ half-lives for ¼ of the parent isotope to remain. C 400

34. What is two? C 400

35. To date dead organic materials, scientist can use _____ dating which uses the rate of decay of ______ 14 in the materials. ( same word for both ) C 500

36. What is carbon? C 500

37. Fossils can be used to help determine _______ and _______ age D 100

38. What are relative and absolute? D 100

39. Fossils can provide information about _______ changes that occurred in Earth’s history. D 200

40. What are geological or climate changes? D 200

41. Only organisms that are ______ quickly or protected from ____ can become fossils. D 300

42. What are buried quickly and protected from decay? D 300

43. Generally, these parts of organisms form fossils… (name 3 of 4) D 400

44. What are wood, bones, teeth, and shells? D 400

45. Name 3 of the 5 ways a fossil can form… D 500

46. What are mummification, amber, tar seeps, freezing, and petrification? D 500

47. The principle that states the geological processes of the present are the same geological processes of the past. E 100

48. What is uniformitarianism ? E 100

49. The age of an object in relation to the ages of other objects… E 200

50. What is relative age? E 200

51. The law that states that a sedimentary rock layer is older than the layer above it and younger than those below it. E 300

52. What is the law of superposition? E 300

53. Layers of rock are called… E 400

54. What is strata? E 400

55. E 500 A banded layer of sand and silt that is deposited annually in a lake that can be used to determine absolute age

56. What is varve? E 500

57. The remains of animals or plants that lived in a previous geologic time are called… F 100

58. What are fossils? F 100

59. The scientific study of fossils… F 200

60. What is paleontology? F 200

61. A fossilized mark that formed in sedimentary rock by the movement of an animal on or within soft sediment… F 300

62. What is trace fossil? F 300

63. A fossil that is used to establish the age of rock layers because it is distinct, abundant, and widespread and existed for only a short span of geologic time… F 400

64. What is index fossil? F 400

65. Fossilized dung or waste materials from ancient animals are called F 500

66. What are coprolites? F 500

67. The Final Jeopardy Category is: Processes Please record your wager. Click on screen to begin

68. The 3 of 4 characteristics that define an index fossil… Click on screen to continue

69. What are occur in wide area, clearly identified from other fossils, existed in short time span, occurred in large numbers? Click on screen to continue

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