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WorksheetsEarth Science 6 Unit 3 Test Review
Total questions: 20
Worksheet time: 16mins
Name
Class
Date
1.
Which principle states that rock layers with the same unique grouping of fossils are of the same geologic age?
a)
fossil horizontality
b)
fossil superposition
c)
faunal succession
d)
fossil correlation
2.
What causes the youngest layers to be on top?
a)
sedimentation
b)
faulting
c)
erosion
d)
tilting
3.
Which was the principle that James Hutton founded while observing erosion and deposition?
a)
Volcanism
b)
Superposition
c)
Glaciation
d)
Uniformitarianism
4.
What type of environment is ideal for the preservation of a leaf print?
a)
rock
b)
lava
c)
water
d)
mud
5.
Which of these is classified as a body fossil?
a)
footprint of a stone-aged individual
b)
a worm trail
c)
ancient shark vertebra
d)
fossilized bird droppings
6.
Layers of sediment are usually deposited by ___________.
a)
tornadoes
b)
earthquakes
c)
volcanic eruptions
d)
water flow
7.
The rate of decay of carbon-14 is called _________________.
a)
radioactivity
b)
half-life
c)
isotope
d)
lifetime
8.
Why is carbon-14 not used to determine the age of the Earth?
a)
It does not decay
b)
Its half-life is too long
c)
Its half-life is too short
d)
It is a stable isotope
9.
What can be used to determine the relative age of two rocks?
a)
the presence of unconformities
b)
the order of the layers that the rocks are found in
c)
the relative age cannot be determined
d)
radioactive dating of each layer
10.
Which of the rock types would you be more likely to find a fossil in?
a)
Sedimentary
b)
Metamorphic
c)
Igneous
11.
Who popularized the ideas of James Hutton?
a)
George Cuvier
b)
William Smith
c)
Charles Lyell
d)
Nicholas Steno
12.
A gap in the rock record is referred to as ___________.
a)
erosion
b)
faulting
c)
unconformity
d)
folding
13.
Which of Steno's principles states that younger layers are on top and older layers are on the bottom of a cross section.
a)
Principle of lateral continuity
b)
Principle of faunal succession
c)
Principle of original horizontality
d)
Principle of superposition
14.
Who developed the idea of uniformitarianism?
a)
George Cuvier
b)
William Smith
c)
James Hutton
d)
Nicholas Steno
15.
If an isotope of some element has a half-life of 300 years, about how much of the isotope atoms will be in a sample after 300 years?
a)
1/2
b)
1/4
c)
1/8
d)
nothing
16.
Which parts of a clam are likely to decay?
a)
soft parts
b)
all parts
c)
no parts
d)
hard parts
17.
Which of Steno's principles states that layers spread out?
a)
principle of superposition
b)
principle of faunal succession
c)
principle of original horizontality
d)
principle of lateral continuity
18.
What can cause an unconformity between rock layers?
a)
mixing of strata
b)
erosion
c)
continuous deposition
d)
a change in fossils
19.
What causes the youngest layers to be on top?
a)
sedimentation
b)
faulting
c)
erosion
20.
According to Steno's principle of superposition, where can the younger layers of rocks be found?
a)
at the bottom
b)
anywhere
c)
at the top
d)
in the middle
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