WorksheetsRock and Fossil Record
Total questions: 20
Worksheet time: 12mins
Name
Class
Date
1.
What is the study of past life as rocks or fossils?
a)
Paleontology
b)
Archeology
c)
Fossilology
2.
What is the idea that geologic processes are occurring now are the same as those that occurred in the past?
a)
Unconformities
b)
Uniformitarianism
c)
Epicism
3.
What is the science that combines uniformitarianism and catastrophism?
a)
Modern geology
b)
Paleontology
c)
Archeology
d)
Ancient geography
4.
What is the idea that geologic change occurs suddenly?
a)
Uniformitinarianism
b)
Geologic Breakdown
c)
Catastrophism
d)
Geologic Purge
5.
What is it called when a fossilized mark is found in soft sediment that was formed by the movement of an animal?
a)
Index fossil
b)
Trace fossil
c)
Sludge
d)
Geologic Time
6.
What forms when sediment fills in a cavity left by a dead organism?
a)
Cast
b)
Index
c)
Trace
d)
Geology
7.
What type of fossil is a mark or cavity made by a body part?
a)
Cast
b)
Index
c)
Mold
d)
Trace
8.
What is found only in one layer of rock that indicates a geologic age?
a)
Cast fossil
b)
Index fossil
c)
Mold Fossil
d)
Geologic Rock
9.
What type of dating indicates an approximate age of a fossil in relationship to other layers of rock in an area?
a)
Relative dating
b)
Absolute Dating
10.
What type of daiting indicates a specific age of a rock by using methods such as carbon dating or radioactive decay?
a)
Relative Dating
b)
Absolute Dating
11.
What is the largest division of time?
a)
Eon
b)
Epic
c)
Era
d)
Period
12.
These cause missing layers in rock they are caused by movement of the earth. They form by erosion.
a)
unconformities
b)
mold fossil
c)
tracks
d)
underwater
13.
What is the most accurate method to date old rocks?
a)
uranium-lead method
b)
carbon 14 dating
c)
relative dating
d)
potasium-carbon dating
14.
How far back in time can geologists study the history of the earth?
a)
1.6 billion years
b)
46 million years
c)
4.6 billion years
d)
160 billion years
15.
What is the breakdown of unstable isotopes into stable isotopes of other elements called?
a)
uncomformities
b)
Relative dating
c)
Carbon-14
d)
Radioactive decay
16.
What states that younger rocks are found above older rocks?
a)
Theory of Plate Tectonics
b)
Law of Superposition
17.
What is the slant of rock layers and it causes layers of rocks not to be in order of age and fossils to be found out of order called?
a)
Rift-Raft
b)
Uplift
c)
Tilting
d)
Down sizing
18.
What is the best understanding of time?
a)
ancient geologic time theory
b)
current geologic time column
19.
Why scientists think dinosaurs became extinct?
a)
Climate change
b)
Frozen Oceans
c)
Forest Fire
d)
Cloud Dust
20.
What happens during radioactive decay?
a)
Radioactive isotopes break down into stable isotopes of other elements
b)
Radioactive pebbles break down into stable isotopes of old rock
100 %
