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WorksheetsRelative & Absolute Age Review
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
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 chemical makeup of the layer
d)
The distance the layer extends over the Earth
2.
The radioactive decay of material can be used to determine the age of fossils. This is called
a)
complete dating
b)
absolute dating
c)
relative dating
d)
fossil dating
3.
Which area is most likely the youngest sedimentary layer?
a)
1
b)
2
c)
3
d)
4
4.
Which area is most likely the youngest?
a)
1
b)
2
c)
3
d)
4
5.
What percent of the original C-14 is left after 11,480 years.
a)
1
b)
1/2
c)
1/4
d)
1/8
6.
The method used to tell if one rock layer is older than another
is called —
is called —
a)
complete dating
b)
fossil dating
c)
absolute dating
d)
relative dating
7.
Which is the oldest layer?
a)
1
b)
2
c)
3
d)
4
8.
The time is take for half of a radioactive isotopes to decay into stable isotopes is called the
a)
isotope decay
b)
radiometric dating
c)
half life
d)
absolute age
9.
An element with a different number of neutrons is called a(n)
a)
atom
b)
isotope
c)
neutron deficient
d)
element
10.
Which would be best for determining the age of dinosaurs?
a)
Uranium-234
b)
Lead-214
c)
Polonium-214
d)
Thorium-230
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