Hart's Earth's History

35 Questions

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Questions and Answers
  • 1. 
    Fossils are made when...
    • A. 

      Minerals in the ground replace the dead thing as it breaks down

    • B. 

      Organisms are trapped in amber or asphalt, preserving their body.

    • C. 

      Traces of living organisms are found, such as burrows or footprints.

    • D. 

      All of the above

  • 2. 
    The earth is 4.6 ______ years old
    • A. 

      Billion

    • B. 

      Mega-Million

    • C. 

      Trillion

    • D. 

      Million

  • 3. 
    Fossils are made when...
    • A. 

      Minerals in the ground replace the dead thing as it breaks down

    • B. 

      Organisms are trapped in amber or asphalt, preserving their body.

    • C. 

      Traces of living organisms are found, such as burrows or footprints.

    • D. 

      All of the above

  • 4. 
    • A. 

      Sediments are deposited as essentially horizontal layers

    • B. 

      Inclusions are older than the rocks they are contained in

    • C. 

      Sediments spread out in all directions when they are deposited

    • D. 

      Undisturbed sedimentary layers get younger from bottom to top

  • 5. 
    • A. 

      A gap in the geologic record

    • B. 

      A sequence of deformed rocks

    • C. 

      A sedimentary layer of variable thickness

    • D. 

      A period of deposition

  • 6. 
    Human beings (homo sapiens) evolved during which geologic era?
    • A. 

      Precambrian

    • B. 

      Mesozoic

    • C. 

      Paleozoic

    • D. 

      Cenozoic

  • 7. 
    Identify the MANTLE on the diagram below.
    • A. 

      Layer A

    • B. 

      Layer B

    • C. 

      Layer C

    • D. 

      Layer D

  • 8. 
    • A. 

      Crust

    • B. 

      Mantle

    • C. 

      Inner Core

    • D. 

      Outer Core

  • 9. 
    The Precambrian Eon began and ended when?
    • A. 

      4.6 bya-570mya

    • B. 

      570 mya-250 mya

    • C. 

      250 mya-65mya

    • D. 

      65 mya-present day

  • 10. 
    A group of fossils fround together in only one layer of rock are called  _________ fossils?
    • A. 

      Level

    • B. 

      Index

    • C. 

      Main

    • D. 

      Frequent

  • 11. 
    The Paleozoic Era began and ended when?
    • A. 

      4.6 bya - 570 mya

    • B. 

      570 mya-250 mya

    • C. 

      250 mya-65 mya

    • D. 

      65 may-present day

  • 12. 
    Eras are broken into ___________.
    • A. 

      Epochs

    • B. 

      Periods

    • C. 

      Ages

    • D. 

      Eons

  • 13. 
    • A. 

      250 mya-65 mya

    • B. 

      65 mya-present day

    • C. 

      4.6 bya-570mya

    • D. 

      570-mya-250mya

  • 14. 
    • A. 

      Dinosaurs

    • B. 

      Trilobites

    • C. 

      Humans

    • D. 

      Bacteria

  • 15. 
    • A. 

      4,000 years old

    • B. 

      4.6 mya

    • C. 

      4.6 bya

    • D. 

      4,600 bya

  • 16. 
    The Precambrian Eon covers almost ____ percent of the Earth's history.
    • A. 

      70

    • B. 

      80

    • C. 

      90

    • D. 

      60

  • 17. 
    Periods are broken into _____?
    • A. 

      Eons

    • B. 

      Eras

    • C. 

      Ages

    • D. 

      Epochs

  • 18. 
    • A. 

      Ages, epochs, periods, eras, eon

    • B. 

      Epochs, periods, ages, eras, eon

    • C. 

      Eon, eras, periods, epochs, ages

    • D. 

      Eras, eons, periods, epochs, ages

  • 19. 
    The Paleozoic era lasted _____ million years.
    • A. 

      125

    • B. 

      225

    • C. 

      325

    • D. 

      425

  • 20. 
    During the Paleozoic Era, the Earth's interior _____.
    • A. 

      Cooled down

    • B. 

      Warmed up

  • 21. 
    • A. 

      Paleozoic

    • B. 

      Precambrian

  • 22. 
    • A. 

      Precambrian

    • B. 

      Mesozoic

    • C. 

      Cenozoic

    • D. 

      Paleozoic

  • 23. 
    • A. 

      Precambrian

    • B. 

      Paleozoic

    • C. 

      Mesozoic

    • D. 

      Cenozoic

  • 24. 
    • A. 

      Precambrian

    • B. 

      Paleooic

    • C. 

      Mesozoic

    • D. 

      Cenozoic

  • 25. 
    • A. 

      4.6 bya-570 mya

    • B. 

      570 -250 mya

    • C. 

      250-65 mya

    • D. 

      65 mya-today

  • 26. 
    • A. 

      Precambrian

    • B. 

      Paleozoic

    • C. 

      Mesozoic

    • D. 

      Cenozoic

  • 27. 
    • A. 

      Precambrian

    • B. 

      Paleozoic

    • C. 

      Mesozoic

    • D. 

      Cenozoic

  • 28. 
    • A. 

      4.6 bya-570 mya

    • B. 

      570-250 mya

    • C. 

      250-65 mya

    • D. 

      65mya-today

  • 29. 
    Which had the first birds, mammals, deciduous trees, and flowering plants?
    • A. 

      Precambrian

    • B. 

      Paleozoic

    • C. 

      Mesozoic

    • D. 

      Cenozoic

  • 30. 
    • A. 

      Precambrian

    • B. 

      Paleozoic

    • C. 

      Mesozoic

    • D. 

      Cenozoic

  • 31. 
    • A. 

      Precambrian

    • B. 

      Paleozoic

    • C. 

      Mesozoic

    • D. 

      Cenozoic

  • 32. 
    • A. 

      Precambrian

    • B. 

      Paleozoic

    • C. 

      Mesozoic

    • D. 

      Cenozoic

  • 33. 
    A very large, circular impact crater beyond the east coast of Mexico is believed to be approximately 65 million years old.  This impact is inferred to be related to 
    • A. 

      Alien attack

    • B. 

      Appearance of earliest trilobites

    • C. 

      Advance and retreat of the last continental ice sheet

    • D. 

      Formation of Pangaea

    • E. 

      Extinction of the dinosaurs

  • 34. 
    What caused the atmosphere to change through geologic time? 
    • A. 

      The evolution of oxygen-producing organisms

    • B. 

      The formation of the tectonic plates

    • C. 

      The emergence of trilobites

    • D. 

      The deposition of soil during sedimentary rock formation

    • E. 

      Gravity

  • 35. 
    • A. 

      Paleozoic

    • B. 

      Cenozoic

    • C. 

      Jurassic

    • D. 

      Precambrian