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WorksheetsEarth's Structure and Composition
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
Earth's surface is part of the:
a)
asthenosphere
b)
lithosphere
c)
stratosphere
d)
troposphere
2.
The most common element found in Earth's crust is:
a)
oxygen
b)
hydrogen
c)
aluminum
d)
iron
3.
The Earth is approximately
a)
3 million years old
b)
50 million years old
c)
2 billion years old
d)
4.5 billion years old
4.
Which of the following layers contains most of the Earth's mass?
a)
the core
b)
the mantle
c)
the oceanic crust
d)
the continental crust
5.
How did the Himalayan Mountains form?
a)
erosion
b)
convection
c)
glacial movements
d)
colliding tectonic plates
6.
The largest unit of time is the:
a)
era
b)
period
c)
stage
d)
eon
7.
About 3/4 of Earth's volcanoes and about _________ of earthquakes occur around the Ring of Fire.
a)
5%
b)
10%
c)
50%
d)
90%
8.
The San Andreas Fault in California occurs at a:
a)
convergent boundary
b)
divergent boundary
c)
transform boundary
d)
subduction
9.
The creation of new ocean floor would result from which type of plate boundary?
a)
transform
b)
convergent
c)
divergent
d)
fault
10.
The largest mass extinction on Earth occurred at the end of the:
a)
Mesozoic Era
b)
Permian Period
c)
Carboniferous Period
d)
Cretaceous Period
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