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Geologic Dating Quiz
Test Description: Use this to help you study for the upcoming quiz.
Instructions: Answer all questions to get your test result.
1) Gaps in rock sequences are called _____________.
A
uniformitariansim
B
idex fossils
C
superposition
D
unconformities
2) The ___________ is the age of rock or other objects determined by the properties of the atoms that make up the materials
A
absolute age
B
fossil age
C
relative age
D
middle ages
3) _______ are the remains of species that existed on Earth for relatively short periods of time, were abundant, and were widespread geographically.
A
index fossils
B
unconformities
C
half-lives
D
casts
4) The relative age of something is __________________.
A
older than Mrs. Parkerson.
B
age cannot be determined because the rock layers are disturbed.
C
the age, in years of rock and other objects.
D
its age in comparison to the age of other things.
5) Which is the principle of superposition?
A
younger things are on the bottom and older things are closer to the top
B
older things are onthe bottom and younger things are near the top
C
none of the above
D
younger and older things are mixed up in the layers
6) Suppose you observe several layers of rock that have been exposed by road work. The oldest rock is probably
A
in the middle layer
B
in the top layer
C
in the bottom layer
D
just below the top layer
7) Calculating the absolute age of a rock by measuring the amounts of parent and daugher materials in a rock and knowing the half-life of the parent materials is called
A
uniformitarianism
B
radiometric dating
C
radioactive decay
D
half-live
8) The principle that Earth processes occurring today are similar to those that occurred in the past.
A
uniformitarianism
B
princple of superposition
C
unconformity
D
catastrophism
9) If the half-life of carbon-14 is 5,730 years, then after 5,730 years how much carbon-14 will be left in a sample?
A
one-half
B
none
C
one-eighth
D
one-fourth
10) The study of fossils and geological dating is part of
A
geology
B
meterology
*select an answer for all questions
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