WorksheetsHistorical Geology Preassessment
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
Where would you find the oldest rock layers
a)
On the top
b)
On the bottom
c)
In the middle
d)
Through other rock layers
2.
What percent of isotopes of U-238 would be remaining after 2 half lives?
a)
100%
b)
75%
c)
50%
d)
25%
3.
What is the oldest rock layer?
a)
F
b)
R
c)
M
d)
P
4.
The method used to tell if one rock layer is older than another is called
a)
complete dating
b)
relative dating
c)
absolute dating
d)
fossil dating
5.
The radioactive decay of material can be used to determine the age of fossils. This is called
a)
fossil dating
b)
complete dating
c)
relative dating
d)
absolute dating
6.
What statement is true about geologic history?
a)
The Mesozoic era is subdivided into epochs.
b)
Geologic time has come to an end.
c)
Earth today is in the Cenozoic era, Quaternary period, and Holocene epoch
d)
The order of geologic time eras, from most recent to earliest time, is Paleozoic, Cenozoic,Mesozoic.
7.
What name is given to the earliest time span in the history of Earth?
a)
Cambrian
b)
Paleozoic
c)
Cenozoic
d)
Precambrian
8.
The type of fossil that is widespread over a large geographical range over a short geologic time frame is called
a)
a marine fossil
b)
an index fossil
c)
an analogous fossil
d)
a wide span fossil
9.
Due to the nature of radioactive decay
a)
the half-life is always quick
b)
the half-life is always slow
c)
the original sample never dissipates
d)
the original sample dissipates quickly
10.
Which of these is the best indication of the relative age of a rock layer?
a)
The thickness of the layer
b)
The position of the layer compared to other layers
c)
The distance the layer extends over the Earth
d)
The chemical makeup of the layer
100 %
