WorksheetsGeologic Time
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
A scientist believes he found a fossil over 2 billion years old. What type of dating would he use to determine the fossils age?
a)
Carbon-14 Dating
b)
Potassium-40 Dating
c)
Uranium Dating
d)
Argon-56 Dating
2.
According to the law of superposition, which layer is the youngest?
a)
A
b)
B
c)
C
3.
Which type of dating method can be used on rock layers by applying the Law of Superposition?
a)
relative dating
b)
absolute dating
c)
radioactive dating
d)
radiometric dating
4.
Relative age of a rock is the number of years that have passed since the rock formed?
a)
true
b)
false
5.
Gaps in rock layers caused by erosion are called
a)
law of superposition
b)
unconformities
c)
uniformitarianism
d)
relative dating
6.
The time it takes for half the atoms in an element to decay into something else is called
a)
absolute age dating
b)
relative age dating
c)
half-life
d)
extinct
7.
The Geologic Time Scale is a record of what?
a)
old geologists
b)
sweet geology music
c)
the known history of rocks and fossils
d)
a list of every living thing ever
8.
What 2 things make a good index fossil?
a)
Good looks and a great smile
b)
widespread and on Earth of a short time
c)
widespread and on Earth for a long time
d)
only found in Clinton Twp and in every rock layer
9.
A break in the Earths crust is a(n)
a)
fault
b)
intrusion
c)
extrusion
d)
index fossil
10.
Which of the following is the oldest?
a)
Layer A
b)
Intrusion D
c)
Intrusion H
d)
Layer E
11.
What type of rock do fossils form in?
a)
Igneous
b)
Sedimentary
c)
Metamorphic
d)
Classic
12.
A bug stuck in amber is an example of what type of fossil?
a)
cast
b)
mold
c)
trace
d)
preserved remains
13.
Which fossil is a hollowed out impression left by the original organism?
a)
cast
b)
mold
c)
trace
d)
preserved remains
14.
Which type of fossil would this be? (Hint: It's footprints)
a)
Amber Fossil
b)
Body Fossil
c)
Trace Fossil
15.
Which of the following statements about the fossil record is TRUE?
a)
all organisms become fossils
b)
organisms having soft body parts make up most of the fossils
c)
all organisms that have shells become fossils
d)
the fossil record is incomplete
100 %
