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WorksheetsGeologic Change Over Time
Total questions: 26
Worksheet time: 21mins
Name
Class
Date
1.
What is the process of weathering?
a)
The breakdown of rock from wind, water, temperature or chemical reactions
b)
The movement of sediment
c)
When sediment is laid down in a new location
2.
What is deposition?
a)
The movement of sediment
b)
The breakdown of rock through wind, water, temperature and chemical reactions.
c)
When sediment is laid down in a new location
3.
Identify the type of fossil.
a)
amber
b)
asphalt
c)
frozen
d)
petrified
4.
Pangaea refers to a...
a)
large supercontinent
b)
Greek superhero
c)
Tropical fern
d)
Mass extinction
5.
How old do Paleontologists believe the Earth is?
a)
2015 years old
b)
3.6 billion years old
c)
4.6 billion years old
d)
4.6 million years old
6.
What type of rock do fossils form in?
a)
Igneous
b)
Sedimentary
c)
Metamorphic
d)
Classic
7.
Hardened tree sap is called __.
a)
rock
b)
amber
c)
sediment
d)
petroleum
8.
Fossils form best in which type of rock?
a)
Metamorphic
b)
Sedimentary
c)
Extrusive Igneous
d)
Intrusive Igneous
9.
Which item below would INCREASE the chances of making a fossil?
a)
Soft body parts
b)
Buried Right Away
c)
Left Exposed
d)
Lots of Scavenger Activity
10.
this type of fossil provides evidence of the activities of ancient organisms; examples include marks left by footprints or tails
a)
mold
b)
carbon film
c)
trace
d)
cast
11.
Which animal part would MOST LIKELY form a fossil?
a)
fur
b)
lung
c)
bone
d)
muscle
12.
Which is a principle that states changes to the Earth have happen gradually throughout its history?
a)
Catastrophism
b)
Uniformitarianism
13.
Sedimentary layers or lava flows extend sideways in all directions until they thin out or reach a barrier.
a)
Lateral Continuity
b)
Inclusions
c)
Cross-Cutting Relationships
14.
The law of ________ says that any piece of stone inside another stone is older than the layer containing it. (i.e. Which is older the fruit or the cake)
a)
Superposition
b)
Inclusions
c)
Horizontality
15.
In undisturbed rock layers, the oldest layer is at the bottom and the youngest layer is at the top.
a)
Original Horizontality
b)
Cross-Cutting Relationships
c)
Unconformities
d)
Superposition
16.
An UNSTABLE isotope is an element with _______
a)
More Neutrons than Protons
b)
More Neutrons than Electrons
c)
The same number of Protons and Electrons
17.
Which is the youngest layer in this model
a)
H
b)
R
c)
M
d)
B
18.
Which is the second youngest layer in this model?
a)
H
b)
R
c)
M
d)
B
19.
Which is the oldest layer in this model?
a)
R
b)
B
c)
I
20.
Which layer formed before N?
a)
D
b)
K
c)
A
21.
The fault or crack represented by the letter H happened before which layer was deposited.
a)
D
b)
A
c)
M
22.
The darker layer of rock happened before or after the red layers of sedimentary rock were deposited?
a)
Before
b)
After
23.
If we test a sample of a bone for a radioactive isotope and estimate that 50% of the parent isotope remains, how many daughter isotopes are there?
a)
25%
b)
50%
c)
75%
24.
After 2 half-lives a sample will contain what percent of the original amount of parent isotopes?
a)
50%
b)
40%
c)
25%
d)
12.5%
25.
When we compare layers of rock to other layers to determine if that layer is younger or older, we call this ______.
a)
Relative dating
b)
Radioactive dating
c)
Carbon dating
26.
When we look at layers of the Earth we separate the layers based on their color, composition and make-up of minerals. What is a layer called in scientific terms?
a)
a layer
b)
a geologic column
c)
lateral continuity
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