Absolute Age
5 Questions
| Total Attempts: 120
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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
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