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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
unconformities
B
superposition
C
idex fossils
D
uniformitariansim
2) The ___________ is the age of rock or other objects determined by the properties of the atoms that make up the materials
A
fossil age
B
absolute age
C
middle ages
D
relative age
3) _______ are the remains of species that existed on Earth for relatively short periods of time, were abundant, and were widespread geographically.
A
casts
B
index fossils
C
half-lives
D
unconformities
4) The relative age of something is __________________.
A
its age in comparison to the age of other things.
B
older than Mrs. Parkerson.
C
age cannot be determined because the rock layers are disturbed.
D
the age, in years of rock and other objects.
5) Which is the principle of superposition?
A
older things are onthe bottom and younger things are near the top
B
none of the above
C
younger things are on the bottom and older things are closer to the top
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 bottom layer
C
just below the top layer
D
in 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
radioactive decay
B
half-live
C
radiometric dating
D
uniformitarianism
8) The principle that Earth processes occurring today are similar to those that occurred in the past.
A
catastrophism
B
uniformitarianism
C
princple of superposition
D
unconformity
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
one-eighth
C
one-fourth
D
none
10) The study of fossils and geological dating is part of
A
meterology
B
geology
*select an answer for all questions
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