WorksheetsEarth Science, Chapter 8, The Rock Record, Review
Total questions: 30
Worksheet time: 28mins
Name
Class
Date
1.
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
d)
catastrophism
2.
What is a fossil that is used to establish the age of a rock layer because the fossil is distinct, abundant, and widespread and the species that formed that fossil existed for only a short span of geologic time?
a)
index fossil
b)
trace fossil
c)
fossil
d)
varve
3.
What is the name for structure D in the image?
a)
strata
b)
igneous intrusion
c)
lava
4.
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
5.
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
6.
What is the most accurate method to date very old rocks?
a)
uranium-lead method
b)
carbon 14 dating
c)
relative dating
d)
potasium-carbon dating
7.
What type of dating indicates a specific age of a rock by using methods such as carbon dating or Uranium 235?
a)
Relative Dating
b)
Absolute Dating
8.
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
c)
radiometric dating
9.
What forms when sediment fills in a cavity left by a dead organism?
a)
cast
b)
index
c)
trace
d)
mold
10.
What is a fossilized mark that formed in sedimentary rock by the movement of an animal on or within soft sediment called?
a)
index fossil
b)
fossil
c)
trace fossil
d)
permineralization
11.
Which of the following is a method of determining the absolute age of an object by comparing the relative percentages of a radioactive (parent) isotope and a stable (daughter) isotope?
a)
radiometric dating
b)
uniformitarianism
c)
law of superposition
d)
paleontology
12.
The time required for half of a sample of a radioactive isotope to break down by radioactive decay to form a daughter isotope is called what?
a)
uniformitarianism
b)
relative age
c)
half-life
d)
radioactive dating
13.
The _____ is an ideal sequence of rock layers that contains all of the known fossils and rock formations on Earth arranged from oldest to youngest.
a)
nondeposition column
b)
geologic column
c)
angular unconformity
d)
disturbed rock column
14.
Rock layers can be disturbed by
a)
folding, petrification, faulting, and intrusions
b)
folding, tilting, faulting, and climbing
c)
folding, mummification, faulting, and intrusions
d)
folding, faulting, tilting, and intrusions
15.
Which of the following questions can be answered by studying these fossil layers?
a)
What did the fish eat?
b)
Which organisms lived before/after/or at the same time?
c)
Why did dinosaurs become extinct?
d)
Are reptiles the ancestors to birds or fish?
16.
What might you conclude if a fish fossil was found on top of a mountain in Kentucky?
a)
An Earthquake happened there.
b)
A Volcano erupted there.
c)
A forest covered that area for a while.
d)
A Sea once covered the area.
17.
Fossilized bones and teeth, as well as amphibian and reptile fossils can be found in this.
a)
sedimentary rock
b)
igneous rock
c)
metamorphic rock
d)
topsoil
18.
This rock diagram has a line running through with arrows pointing in the direction of rock movement. What does the line represent?
a)
a fold
b)
a fault
c)
a tilt
d)
an intrusion
19.
What is hardened tree sap called?
a)
coprolites
b)
index fossils
c)
gastroliths
d)
amber
20.
What are fossilized feces called?
a)
coprolites
b)
index fossils
c)
gastroliths
d)
amber
21.
Which type of fossil is formed when the remains of a former living thing is turned into stone?
a)
cast
b)
preserved
c)
carbonized
d)
petrified
22.
What type of fossil fills a mold, and is a model of the actual organism?
a)
cast
b)
trace
c)
carbon imprint
d)
mummification
23.
These are dinosaur footprints. What is this a example of?
a)
amber
b)
index fossils
c)
permineralized remains
d)
trace fossils
24.
Which fossil is an impression left by the original organism?
a)
cast
b)
mold
c)
trace
d)
preserved remains
25.
Relative dating of rock layers tells us that the deeper we dig, _______.
a)
the younger the rocks get
b)
the smellier the rocks get
c)
the harder the rocks get
d)
the older the rocks get
26.
Trilobites are good __________ fossils because they were abundant and widespread geographically.
a)
cast
b)
index
c)
preserved
d)
mold
carbonized
carbonized
27.
Which of the following is a condition that will preserve remains?
a)
amber
b)
frozen in permafrost
c)
tar
d)
all of these are correct
28.
Which type of absolute dating is used for organic specimens.
a)
carbon-14 dating
b)
plutonium dating
c)
potassium-argon dating
d)
uranium dating
29.
Evidence of pre-existing organisms, usually plants or animals is called a _________.
a)
captive
b)
fossil
c)
organ
d)
specimen
30.
According to the law of superposition, which layer is the youngest?
a)
A
b)
B
c)
C
100 %
