Absolute Age

5 Questions | Total Attempts: 120

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Absolute Age

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Questions and Answers
  • 1. 
    An isotope is different forms of the same element, in which the number of ____________ varies. For example, Carbon-14 is an isotope of Carbon-12.
    • A. 

      Metalloids

    • B. 

      Protons

    • C. 

      Neutrons

    • D. 

      Electrons

  • 2. 
    Radioactive dating is used to determine the ___________ age of ____________ rocks.
    • A. 

      Relative; igneous

    • B. 

      Absolute; igneous

    • C. 

      Relative; sedimentary

    • D. 

      Absolute; sedimentary

  • 3. 
    Which of the following are two elements that are commonly used in radioactive dating?
    • A. 

      Oxygen and Carbon

    • B. 

      Oxygen and Helium

    • C. 

      Uranium and Carbon

    • D. 

      Uranium and Helium

  • 4. 
    ____________ age is the number of years since a rock formed.
    • A. 

      Relative

    • B. 

      Absolute

    • C. 

      Radioactive

    • D. 

      Isotopic

  • 5. 
    The ______________ is how long it takes for half the atoms in a radioactive element to decay.
    • A. 

      Half-life

    • B. 

      Radiocarbon emissions

    • C. 

      Uniformitarianism

    • D. 

      Intrusion capacity