Name___________ Earth Science 308 Spring Semester Final 1. The oldest rock layer in an undisturbed rock sequence occurs ____. A. at the bottom of the sequence B. below the sedimentary rock layer C. below the unconformity D. at the top of the sequence 2. Which of the following is used to determine the absolute age of a rock? A. relative-age dating B. correlation C. Pre-mineralization D. radiometric dating 3. The principle of superposition can be used to determine A. B. C. D. the actual age of these rock layers the relative densities of these rock layers the actual temperatures of these rock layers the relative age of these rock layers 4. Using the graph, determine the half-life of Strontium 90. A. 2.8 years B. 200 years C. 1000 years D. 28.1 years . 5. Molds, casts, coprolites, and petrified wood are all example of ____. A. fossils B. radioactive isotopes C. unconformities D. disconformities 6. Absolute time: A. puts events into a sequence B. gives you an exact date C. uses geologic laws to determine age D. gives you the rate at which a geologic process occurs 7. Relative time: A. puts events into a sequence B. gives you an exact date C. decays at a constant rate D. gives you the rate at which a geologic process occurs Use the above diagram to answer only #8 8. Fault B in the picture is older than the igneous rock intrusion C ? A. True B. False 9. What was Pangaea? A. a large continent made up of North America, Africa, and Europe B. a large continent made up of all the land masses C. a large continent centered over the south pole D. a large continent centered over the north pole 10. The unit of time - the day - is based on what motion? A. the rotation of the earth B. the revolution of the earth C. the rotation of the moon D. the revolution of the moon True/False Indicate whether the statement is true or false. ____ 11. Present time is part of the Cenozoic era. ____ 12. Eons are shorter units of time than Eras. ____ 13. The star on the time line indicates the beginning of the Precambrian. ____ 14. Mammals and dinosaurs both emerged during the Precambrian Era. ____ 15. You can only find a deep sea trench at a passive margin in the ocean ____ 16. Intrusions are older than the rocks they cut across. ____ 17. After one half-life, there will be 75% parent material and 25% daughter material Multiple Choice Identify the choice that best completes the statement or answers the question. ____ 18. The biggest ocean on Earth is the_____________ a. Atlantic c. Indian b. Pacific d. Antarctic ____ 19. The amount of time it takes for one-half of the original amount of an isotope to decay is known as its ___ a. correlation c. period b. half-life d. radioactivity ____ 20. On the geologic time scale, the largest unit of time is called a(n) ____. a. era c. period b. eon d. epoch ____ 21. A dinosaur footprint is an example of a a. mold b. cast c. Trace fossil d. Original remain ____ 22. Which of the following lists the units of geologic time in order from longest to shortest? a. era, eon, period, epoch c. eon, era, period, epoch b. epoch, eon, period, era d. epoch, period, era, eon ____ 23. An example of a fossil with original preservation includes a(n) ____. a. insect imbedded in amber c. dinosaur footprint b. coprolite d. mold of a fish skeleton Days Elapsed Grams of Thorium-235 Remaining 0 24 15 20 30 12 45 8 _____24. Use the data above. What is the half-life of thorium-235. a. 15 days c. 12 days b. 30 days d. 30 grams _____25. Use the picture above. Which letter would be older than Intrusion P? a. Layer J c. Layer N b. Layer K d. Layer I ____ 26. Use the picture above. Which of the following layers is the youngest? a. Layer N c. Layer L b. Layer M d. Layer O ____ 27. What planet is the largest in our solar system? a. Earth c. Jupiter b. Neptune d. Saturn ____ 28. Which of the following best describes the Moon and the Earth’s movements? a. The Moon rotates around Earth c. The Moon Revolves around the Earth b. The Earth Revolves around the Moon d. The Earth rotates around the Moon ____ 29. Which of the following is the smallest planet? a. Jupiter c. Mars b. Mercury d. Venus ____ 30. Which of the following planets has the longest year? (Longest time to go around the Sun)____. a. Neptune c. Saturn b. Mercury d. Moon ____ 31. When the moon is “waning” what is happening to it? a. growing c. Getting clean b. shrinking d. Getting bigger ____ 32. What percentage of the moon is always lit up by the sun? a. 25% c. 75% b. 50% d. Depends on the phase of the moon ____ 33. Which phase is the Moon in when the Earth, Sun, and Moon are in the positions shown in the diagram? a. new moon b. full moon c. waxing crescent d. waning gibbous ____ 34. What type of tide would be occurring according to the diagram above? a. Neap tide c. Roll tide b. Spring tide d. Small tide ____ 35. Pluto is considered a(n)________? a. Planet b. Asteroid c. Meteor d. Dwarf Planet Eon Phanerozoic Era Cenozoic Period Quaternary Tertiary Mesozoic Paleozoic Epoch Holocene Pleistocene Pliocene Miocene Oligocene Eocene Paleocene Cretaceous Jurassic Triassic Permian Carboniferous Devonian Silurian Ordovician Cambrian PreCambrian Use the table above to answer the following 2 questions ____ 36. What is the table above called? a. Geologic Time Scale b. Relative Dating Organizer c. Rock Column d. Moh’s Scale of Hardness ____ 37. What period do we live in? a. Cenozoic b. Quaternary c. Phanerozoic d. Holocene ____ 38. The Winter solstice is on what date? a. June 21st b. September 23rd c. December 21st d. March 21st ____ 39. What phase of the moon is shown in the diagram above? a. Full moon c. 3rd quarter b. Waxing Crescent d. half moon ____ 40. What moon phase comes after a waxing crescent? a. Waning Crescent c. 1st Quarter b. Waxing Gibbous d. 3rd Quarter ____ 41. The moon revolves around the Earth once every ___________ a. Day c. Year b. Month d. Decade ____ 42. What causes day and night? a. Earth’s Revolution b. Earth’s Rotation c. Earth’s tilt d. Earth’s oceans ____ 43. The Northern hemisphere of the earth tilts away from the sun during which season? a. Summer c. Spring b. Fall d. Winter ____ 44. What is the theory of how the universe began? a. Big Bang c. Superposition b. Uniformitarianism d. Plate tectonics ____ 45. According to the diagram above, what moon phase would we be seeing from earth? a. Full Moon c. 1st quarter b. New moon d. Waxing gibbous ____ 46. What is the main thing that causes the tides? a. Earth’s revolution b. The sun c. The Moon d. Mr. Wirth ____ 47. How many hours of day light do we have during the spring equinox? a. 9 hours c. 18 hours b. 12 hours d. 24 hours ____ 48. What type of tide would be occurring in the picture above? a. Spring Tide c. 1st Quarter b. Neap Tide d. Waxing crescent ____ 49. What type of galaxy do we live in? a. Elliptical b. Irregular c. Barred-spiral d. Spiral ____ 50. All stars are formed in a cloud of dust and gas called a ___________________ a. Supernova c. Nebula b. White Dwarf d. Neutron Star ____ 51. Galaxies are classified based on _____________ a. the Shape c. Distance away from earth b. the Color d. how many stars are in them ____ 52. What is the process called that heats the sun and all other stars? a. Nuclear Fusion c. Fire b. Uniformitarianism d. Nebula ____ 53. Our sun is classified as a _________________ star. a. Super giant c. White dwarf b. Main sequence d. Red Giant ____ 54. About how many years longer will our sun live until is “dies”? a. 1 million c. 10 billion b. 5 billion d. 4.6 billion ____ 55. What characteristics of a star determine the color that star? a. Size c. Temperature b. Shape d. Distance ____ 56. How do frequency and wavelength relate to each other? a. as one goes increases the other increases c. as one increases the other decreases b. as one decreases the other decreases d. as one decreases the other stays the same ____ 57. What type of telescope is in the picture above? a. refracting c. retracting b. reflecting d. radio ____ 58. Where would be the best spot to set up a telescope to look out at the stars? a. on top of the tall building in a big city c. on a hill in the desert b. the bottom of valley d. right next to your bedroom window ____ 59. If a telescope if labeled as a 15 x 35, the power of the telescope would be? a. 15 c. 50 b. 35 d. 525 ____ 60. If a telescope if labeled as a 15 x 35, what is the diameter of the objective lens in mm? a. 15 c. 50 b. 35 d. 525 ____ 61. Which of the diagrams above has the biggest wavelength? a. i c. iii b. ii d. all have the same ____ 62. Which of the diagrams has the greatest frequency? a. i c. iii b. ii d. all have the same ____ 63. Our sun is a main sequence star right now, the next stage in its life will be what? a. Red Giant c. Supergiant b. White Dwarf d. Supernova ____ 64. Wind moves from areas of _____________ pressure to areas of _____________ pressure. a. high, high c. high, low b. low, low d. low, high ____ 65. Wind blowing from the south to the north would be called a ___________________ a. East Wind c. North Wind b. West Wind d. South Wind ____ 66. What type of air can hold more water vapor? a. warm b. cold c. continental polar d. Arctic ____ 67. When water vapor is at 100% in the atmosphere, it is said to be at ______________ a. Anemometer c. Climate b. Coriolis effect d. Saturation ____ 68. Dew point is the temperature the air must reach for ______________ to occur a. Wind c. Condensation b. Evaporation d. Hurricanes ____ 69. What type of weather is usually associated with a warm front? a. Sunny and no rain c. Thunderstorms b. Warm steady rain ____ 70. Clouds are a result of the a. Evaporation of water b. Condensation of water vapor c. reduction in temperature d. transpiration of water ____ 71. What layer of the atmosphere does all of our weather occur? a. Thermosphere c. Exosphere b. Troposphere d. Stratosphere ____ 72. What type of front is represented above? a. Warm b. Cold c. Stationary d. Occluded ____ 73. Which picture is a cumulonimbus cloud? a. a b. b ____ 74. What cloud is represented by picture d? a. Cumulonimbus b. Cumulus c. c d. d c. Stratus d. Cirrus ____ 75. Rain, Sleet, Snow and Hail are all forms of what? a. Condensation c. Saturation b. Precipitation d. Evaporation ____ 76. What are lines on a map that connect places with the same pressure called? a. isobars c. isolation b. isotherms d. isocream ____ 77. Earth’s atmosphere is made up of mostly these two gasses a. Nitrogen and Oxygen c. Carbon and Nitrogen b. Helium and Oxygen d. Hydrogen and Nitrogen ____ 78. Figure 16-1 Using the figure above how fast is the wind blowing? a. 25 mph c. 865 mph b. 39 mph d. 147 mph ____ 79. Referring to the figure above (figure 16.1) what direction is the wind blowing from? a. Northwest c. Southwest b. Northeast d. Southeast ____ 80. What type of front is shown above? a. Warm b. Cold c. Stationary d. Occluded ____ 81. What is the constant movement of water between the atmosphere and Earth’s surface a. precipitation cycle c. cloud type b. water cycle d. atmosphere cycle ____ 82. What layer of the atmosphere contains the ozone layer? a. Troposphere c. Stratosphere b. Exosphere d. Mesosphere ____ 83. What two processes can increase the salinity of the ocean water? a. High Precipitation and Evaporation c. Temperature rising and animals b. Ice melting and water freezing d. Water Freezing and evaporation ____ 84. Which seafloor feature is a flat topped mountain under the water? a. Seamount c. Atoll b. Guyot d. Volcanic Island ____ 85. Warm ocean currents can be found______________? a. On the east side of ocean basins c. Heading towards the equator b. On the west side of ocean basins d. Only in the southern hemisphere ____ 86. Which ocean is located off of the east coast of the United States? a. Pacific c. Indian b. Atlantic d. Arctic ____ 87. If a ship sends a sonar wave down to the bottom of the ocean at 1500 m/s and it take 6 seconds for the wave to come back to the ship, how deep is the ocean at that point? a. 1500 m c. 9000 m b. 4500 m d. Not enough information Matching Identify the choice from the word bank that best completes the statement or answers the question. ____ 88. This is the closest planet to the Sun ____ 89. This is the 2nd closest planet to the Sun ____ 90. This is the 4th closest planet to the Sun ____ 91. This planet is known for its rings ____ 92. This is the biggest planet ____ 93. This is the furthest planet from the Sun a. Earth b. Jupiter c. Uranus d. Mars e. Mercury f. Neptune g. Saturn h. Venus