Geologic History Video Quiz

10 Questions-50 Pts

Question #1: The Earth is approximately_______old:

• A. 46 million years old• B. 460 billion years old• C. 4.6 billion years old• D. 46 trillion years old• E. none are correct…

Question #2: Two periods of time scientists use to measure the age of Earth are:

• A. Essential time• B. Absolute time• C. Magnetic time• D. Relative time• E. A and C, only• F. B and D, only• G. B and C, only

Question #3: Place in descending order from latest to earliest:

• A. stegosaurus, woolly mammoth, trilobite• B. woolly mammoth, trilobite, stegosaurus• C. trilobite, woolly mammoth, stegosaurus• D. trilobite, stegosaurus, woolly mammoth• E. woolly mammoth, stegosaurus, trilobite• F. none of these choices are correct

Question #4: True or false-The layers of Earth farthest from the crust are the newest and youngest layers:

• A. true• B. false

Question #5: Uranium decays into___so scientists can tell the age of the rock:

• A. pumice• B. argon• C. silver• D. talc• E. lead• F. plutonium

Question #6: ‘All living things contain a radioactive isotope known as’:

• A. Hydrogen 11• B. Carbon 12• C. Oxygen 13• D. Carbon 14• E. Nitrogen 15

Question #7: Varves in lakes caused by ______are also used to determine rock age:

• A. Mountain ranges• B. Volcanoes• C. Glaciers• D. Earthquakes• E. None of them are correct

Question #8: 65 million years ago, it was assumed that a ___________destroyed 75% of life:

• A. a major volcano• B. a huge comet like Halley’s• C. the removal of O2 from the atmosphere• D. a huge meteorite crash landed on Earth• E. none of them seem correct

Question #9: True or false: sometimes fossils of plants and animals are found together:

• A. True• B. False

Question #10: Put these time periods in descending order from latest to earliest:

• A. Precambrian, Mesozoic, Paleozoic, Cenozoic• B. Mesozoic, Cenozoic, Paleozoic, Precambrian• C. Paleozoic, Mesozoic, Cenozoic, Precambrian• D. Cenozoic, Mesozoic, Paleozoic, Precambrian• E. Precambrian, Paleozoic, Mesozoic, Cenozoic