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WorksheetsPlate Tectonics Test
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
The theory of plate tectonics helps to explain
a)
the movement of the continents and the occurrence of earthquakes and volcanoes.
b)
the extinction of dinosaurs
c)
ocean tides
d)
the formation of convection cells
2.
What is Pangaea?
a)
a deep ocean trench
b)
a tropical plant found on all continents
c)
a single, giant continent that existed 250 million years ago
d)
an instrument used to measure earthquakes
3.
In geology, what are plates composed of?
a)
outer core materials
b)
continental crust only
c)
oceanic crust only
d)
both continental and oceanic crust and a small part of the upper mantle
4.
Sea-floor spreading results in
a)
ocean waves
b)
the creation of new crust on the ocean floor
c)
crustal plates
d)
continental mountain building
5.
What is the Earth's Lithosphere?
a)
A thin layer of rock that floats on the mantle
b)
A thin layer of water covering much of the Earth's crust
c)
The hot materials located in the Earth's outer core
d)
The dense portion of the inner core
6.
Scientists have learned more about the interior of the Earth by
a)
studying fossils
b)
examining earthquake waves
c)
analyzing deep sea explorations
d)
predicting volcanic eruptions
7.
Scientists believe that the crustal plates move because of
a)
the inner core's minerals
b)
the formation of faults
c)
the convection cells in the upper mantle
d)
the theory of continental drift
8.
Which process is building the Himalayas, the largest mountains on Earth?
a)
sea floor spreading
b)
two plates colliding
c)
two oceanic plates colliding
d)
earth quakes
9.
In which layer is the softer, "plastic" rock layer, the asthenosphere, found?
a)
crust
b)
mantle
c)
outer core
d)
inner core
10.
The liquid layer that is found well beneath the Earth's crust
a)
inner core
b)
outer core
c)
mantle
d)
lithosphere
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