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WorksheetsFossils
Total questions: 20
Worksheet time: 12mins
Name
Class
Date
1.
What is a way an organism can become a fossil?
a)
amber
b)
strata
c)
geologic column
d)
superposition
2.
What causes an unconformity?
a)
water
b)
wind
c)
ice
d)
nondeposition and erosion
3.
What is a geologic column?
a)
determining whether an event is older or younger
b)
an arrangement of rock layers in which the oldest rocks are at the bottom
c)
a law that states younger rocks lie above older rocks
d)
a break in the geologic record
4.
What is an unconformity?
a)
a break in the geologic record created by erosion or nondeposition
b)
disturbed rock layers
c)
rock layer puzzles
d)
an intrusion
5.
What type of unconformity is in the picture?
a)
disconformity
b)
nonconformity
c)
angular unconformity
d)
intrusion
6.
What type of disturbed rock layer is show in the picture?
a)
tilting
b)
instrusion
c)
folding
d)
fault
7.
Which is an example of a trace fossil?
a)
animal tracks
b)
coprolite
c)
burrows
d)
all of the answers given here
8.
What type of fossil is a mold?
a)
a cavity made by a shell (cake pan)
b)
a type of fossil that forms when sediments fill in the cavity left behind by a shell
9.
What type of fossil is a cast fossil?
a)
a cavity made by a shell (jello mold)
b)
a type of fossil that forms when sediments fill in the cavity (jello)
10.
What is an example of an index fossil?
a)
t-rex fossils
b)
insect in amber
c)
trilobites or ammonites
d)
woolly mammoth fossils
11.
What is relative dating?
a)
determining whether an event or object is older or younger than other events or objects
b)
the principle that states that younger rocks lie above older rocks
c)
an arrangement of rock layers in which the oldest rocks are at the bottom
d)
an intrusion
12.
What type of disturbed rock layers are in the picture?
a)
fault
b)
instrusion
c)
folding
d)
tilting
13.
If a rock layer has an intrusion, what does the Cross-Cutting law state about the intrusion?
a)
the intrusion is older than the surround rock layers
b)
the intrusion is younger than the surrounding rock layers
14.
Fossils are most often preserved in?
a)
ice
b)
amber
c)
tar pits
d)
rock
15.
Fossils are most often preserved in?
a)
ice
b)
amber
c)
tar pits
d)
rock
16.
How can an index fossil be used to date rock?
a)
it is a mark that is formed in the soft sediment
b)
it is a fossil that lived during a short, well-defined time span
c)
shows how environments and organisms have changed over time
d)
can be preserved in rock, amber, ice or tar
17.
What is a fossil?
a)
the remains or physical evidence of an organism preserved by geologic processes
b)
fossils can be preserved in rock, amber, asphalt, or ice
c)
any naturally preserved evidence of animal activity
d)
fossil of an organism that lived during a relatively short period of time
18.
Is this cake pan the mold or cast?
a)
mold
b)
cast
19.
Is this cake the mold or the cast?
a)
mold
b)
cast
20.
During what period did the trilobites live?
a)
Devonian
b)
Tertiary
c)
Carboniferous
d)
Cambrian
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