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Earth's History - Quiz #1

Total questions: 48

Worksheet time: 38mins

Name
Class
Date
1.

What is a principal that states that geologic processes that occurred in the past can be explained by current geologic processes.

a)

Catastrophism

b)

Unconformity

c)

Uniformitarianism

d)

Angular Unconformity

2.

A fossilized mark that is formed in soft sediment by the movement of an animal.

a)

Mold

b)

Cast

c)

Index Fossil

d)

Trace Fossil

3.

A fossil that is found in the rock layers of only one geologic age and that is used to establish the age of the rock layers.

a)

Trace Fossil

b)

Index Fossil

c)

Mold

d)

Cast

4.

Any method of determining whether an event or object is older or younger than other events or objects.

a)

Relative Dating

b)

Absolute Dating

c)

Isotope

d)

Speed Dating

5.

A break in the geologic record created when rock layers are eroded or when sediment is not deposited for a long period of time.

a)

Disconformity

b)

Monoconformity

c)

Unconformity

d)

Angular Unconformity

6.

Any method of measuring the age of an event or object in years.

a)

Absolute Dating

b)

Relative Dating

c)

Speed Dating

d)

Isotope

7.

An atom that has the same number of protons as the other atoms of the same element but has a different number or neutrons.

a)

Radio Active Decay

b)

Isotope

c)

Half-life

d)

Full-life

8.

The process in which a radioactive isotope tends to break down into a stable isotope of the same element or another element.

a)

Radioactive Decay

b)

Isotope

c)

Half-life

d)

Full-life

9.

The scientific study of fossils.

a)

Geology

b)

Paleontology

c)

Biology

d)

Anthropology

10.

A method of determining the age of an object by estimating the relative percentages of a radioactive isotope and a stable isotope.

a)

Half-life

b)

Radiometric dating

c)

Isotope

d)

Periodic Table of the Elements

11.

A mark or cavity made in a sedimentary surface by a shell or other body.

a)

Mold

b)

Cast

c)

Trace Fossil

d)

Index Fossil

12.

The remains or physical evidence of an organism preserved by geological processes.

a)

Fossil

b)

Amber

c)

Rock

d)

Mineral

13.

The time needed for half of a sample of a radioactive substance to undergo radioactive decay.

a)

isotope

b)

half-life

c)

full-life

d)

biological decay

14.

A principle that states geologic change occurs suddenly.

a)

Catastrophe

b)

Catastrophism

c)

Uniformitarianism

d)

Uniform

15.

A type of fossil that forms when sediments fill in the cavity left by a decomposed organism.

a)

Mold

b)

Cast

c)

Trace Fossil

d)

Index Fossil

16.

A principle that states that younger rocks lie above older rocks if the layers have not been disturbed.

a)

geology

b)

The geologic column

c)

The fossil record

d)

Superposition

17.

Check all examples of uniformitarianism

a)

erosion

b)

weathering

c)

tectonic plate movement

d)

deposition

e)

volcanic eruption

18.

Check all of the examples of catastrophism

a)

weathering

b)

erosion

c)

tornado

d)

volcanic eruption

e)

hurricane

19.
________________ states that the Earth has gone through short, sudden, and worldwide events which cause large scale disruptions.
a)
Uniformitarianism
b)
Catastrophism
c)
Gradualism
d)
Law of Superposition
20.

Which of the following may help cause mass extinctions?

a)

global warming

b)

global cooling

c)

asteroids striking the Earth

d)

all of these

21.

Describes a group of living things that are no longer living.

a)

fossil

b)

extinct

c)

endangered

d)

dinosaur

22.

The hardened remains of a living thing that died long ago.

a)

fossil

b)

extinct

c)

endangered

d)

minerals

23.

In which kind of rock do we usually find a fossil?

a)

sedimentary rock

b)

metamorphic rock

c)

igneous rock

24.

Which of the following would be an example of absolute age?

a)

Fossil A is older than Fossil B

b)

Fossil A and Fossil B are the same age

c)

Fossil A is 10 million years old

25.
Which layer formed first?
a)
Rock Layer W
b)
Rock Layer X
c)
Rock Layer Y
d)
Rock Layer Z
26.

What are the oldest fossils and why?

a)

B, C- because they are closest to the top

b)

A, B- because they are closest to the bottom

c)

They are all the same age- because they are all found on layer 2

d)

A, B- because they are found closest to the top

27.
According to the law of superposition, which layer is the youngest?
a)
A
b)
B
c)
C
28.
This fossil is an example of________
a)
trace fossil
b)
carbonized fossil
c)
frozen remains
d)
tar pit fossil
29.
The remains, or traces on once-living organisms are called fossils.
a)
true
b)
false
30.
Preserved footprints, or fossilized scat are examples of _________
a)
trace fossils
b)
carbonized fossils
c)
cast fossils
d)
mold fossils
31.
A carbonized fossil is quickly buried and flattened by the pressure of the sediments on top of it.  What remains is____________________
a)
Just bones
b)
a trace fossil
c)

Carbon Film

d)
amber
32.

What type of fossil is shown here found in hardened tree sap known as amber?

a)

mold fossil

b)

carbon film

c)

trace fossil

d)

preserved remains

33.

Which type of fossil is shown on the LEFT side of this image?

a)

Mold fossll

b)

Cast fossil

c)

Trace fossil

d)

Preserved remains

34.

Fossils are more likely to form from...

a)

Animals with hard shells.

b)

Jelly fish

c)

Soft body parts

d)

Digestive Systems

35.

Fossils are more likely to form from...

a)

Quickly buried remains

b)

Slowly buried remains

c)

Remains that are never buried

36.

The Law of Superposition helps scientists to determine what?

a)

The absolute age of rock layers

b)

The age of fossils

c)

The relative age of rock layers

d)

the super powers of squirrels

37.
According to the law of superposition, the oldest fossils are found 
a)
At the top of the rock layers
b)
Near the bottom of the rock layers
c)
In the middle of the rock layers
d)
Somewhat near the surface
38.
According to the law of superposition, which layer is the youngest?
a)
A
b)
B
c)
C
39.

Which of the following correctly lists the layers in order from oldest to youngest?

a)

A, B, C, D, E

b)

E, B, C, D, A

c)

E, D, C, B, A

d)

C, B, A, D, E

40.
What is the oldest layer in the outcrop?
a)
B
b)
C
c)
D
d)
E
41.
What is the youngest layer in the outcrop?
a)
A
b)
B
c)
C
d)
D
42.
Which best describes a fossil that helps determine the relative age of a rock layer?
a)
trace fossil
b)
index fossil
c)
radioactive fossil
d)
unconformity fossil
43.
Which statement best describes the Law of Superposition?
a)
Each sedimentary layer of rock represents 1,000 years of Earth's age, much like the rings of a tree.
b)
In undisturbed layers of sedimentary rocks, the upper rock layers are older than the lower rock layers.
c)
In undisturbed layers of sedimentary rock, the lowest layers contain the older rocks.
d)
Rocks that form near volcanoes are older than surrounding rock.
44.
Scientists use radioactive decay to measure...
a)
relative time
b)
absolute time
c)
half-lives
d)
time of day
45.
The length of time required for half of the radioactive atoms in a sample to decay is its...
a)
era
b)
age
c)
half-life
d)
eon
46.
How does absolute age differ from relative age?
a)
only absolute dating indicates which rock is older than another
b)
only absolute dating finds the age in years
c)
only relative dating finds the age in years
47.
Radiometric dating is possible because the rates of decay of radioactive isotopes _____.
a)
change over time
b)
change from place to place
c)
are constant
d)
vary widely
48.
If the half-life of a radioactive group of atoms is 100 years, then how old is the rock if there have been two half-lives?
a)
25 years
b)
200 years
c)
400 years
d)
800 years

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