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WorksheetsEarth's Changing Surface
Total questions: 12
Worksheet time: 6mins
Name
Class
Date
1.
Which sedimentary rock layer is the oldest?
a)
A
b)
B
c)
C
d)
D
2.
G began as magma that hardened underground. What is the age of G in relation to C?
a)
G is older than C
b)
G is the same age as C
c)
G is younger than C
3.
Which of the following accurately describes erosion and weathering?
a)
Weathering breaks rocks apart; erosion moves the rock
b)
Erosion and weathering break rock into smaller pieces
c)
Erosion breaks rocks apart; weathering moves the rock
d)
Erosion is a physical process; weathering is chemical
4.
What is the age of an intrusion rock in relation to the rock layers it passes through?
a)
sometimes younger, sometimes older
b)
the same age a the other rock layer
c)
always older
d)
always younger
5.
What type of fossil will you find the remains of an insect preserved with little or no change?
a)
trace fossil
b)
mold
c)
fossil in amber
d)
replacement fossil
6.
About 260 Million years ago, Earth's continents moved together to form the supercontinent
a)
Pangaea
b)
Cambria
c)
North America
d)
Antarctica
7.
The process by which all living things have changed over long periods of time is called
a)
sedimentation
b)
deposition
c)
evolution
d)
replacement
8.
Why are index fossils useful to geologists?
a)
They tell the absolute age of the rock in which they occur.
b)
They tell the relative age of the rock in which they occur.
c)
They tell the age of the rock at one location only.
d)
They tell the age of many different rock layers.
9.
The relative age of rock is
a)
it's age compared to the age of other rocks
b)
less than the age of the fossils the rock contains
c)
it's age based on how much carbon-14 the rock contains
d)
the number of years since the rock formed
10.
Radioactive dating works best with what type of rocks?
a)
fossilized rocks
b)
sedimentary rocks
c)
igneous rocks
d)
metamorphic rocks
11.
A fossil formed when minerals replace all or part of an organism is called a
a)
cast
b)
petrified fossil
c)
mold
d)
trace fossil
12.
The law of superposition states that, in horizontal layers of sedimentary rock, each layer is
a)
older than the layer above and younger than the layer below
b)
neither older nor younger than the other layers
c)
always older than any vertical layers
d)
younger than the layer above and older than the layer below
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