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WorksheetsPlate Tectonics
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
A break in Earth's crust where rocks have past each other is called a
a)
PLATE
b)
LAYER
c)
BOUNDARY
d)
FAULT
2.
Continental crust consist mainly of the rock
a)
Nickel
b)
Basalt
c)
Mantle
d)
Granite
3.
Scientist rejected Wegener's theory because he could not
a)
Explain why continental crust was denser oceanic crust.
b)
describe the climate of Pangea.
c)
Explain what force pushes or pulls continents.
d)
Describe how seeds moved from Africa to South America.
4.
Subduction is
a)
the process by which oceanic crust sinks beneath trenches.
b)
the direct transfer of heat through solid materials.
c)
the process that continually adds ocean floor.
d)
a device that bounces sound waves off underwater objects.
5.
Earth's lithosphere is broken into separate sections called
a)
plates
b)
faults
c)
trenches
d)
rifts
6.
Scientist who study the forces that make and shape the planet Earth are called
a)
biologist
b)
geologist
c)
chemists
d)
physicists
7.
In the convection current of a pan of soup, the cooler, denser fluid
a)
rises to the top
b)
sinks to the bottom
c)
stays where it is
d)
stays on the top
8.
The transfer of energy through space is called.
a)
subduction
b)
convection
c)
radiation
d)
conduction
9.
Who first proposed the theory of continental drift?
a)
Harry Hess
b)
Alfred Wegener
c)
Pangea
d)
J.Tuzo Wilson
10.
What erupts through the valley of the mid-ocean ridge?
a)
molten material
b)
the lithosphere
c)
deep-ocean trenches
d)
continental drift
11.
Heat transfer by the movement of a heated fluid is called____________________.
a)
convection
b)
conduction
c)
radiation
d)
subduction
12.
A___________________________ boundary is a place where two plates slip past each other.
a)
divergent
b)
convergent
c)
transform
d)
rift valley
13.
The ____________________ is the part of the mantle that can bend like plastic.
a)
core
b)
mantle
c)
crust
d)
asthenosphere
14.
The process that continually adds new material to the ocean floor is _______________________.
a)
sea floor spreading
b)
divergent
c)
rift valley
d)
conduction
15.
Fossils of tropical plants found on an island in the Arctic Ocean are evidence for Wegener's hypothesis of ______________________.
a)
sea-floor spreading
b)
continental drift
c)
transform boundary
d)
rift valley
16.
A rift valley forms along a convergent boundary on land.
a)
TRUE
b)
FALSE
17.
The supercontinent that began to break apart about 225 million years ago is called Antarctica.
a)
TRUE
b)
FALSE
18.
As oceanic crust moves away from the mid-ocean ridge, it cools and becomes more dense
a)
TRUE
b)
FALSE
19.
Density is a measure of how much mass there is in a volume of a substance.
a)
TRUE
b)
FALSE
20.
The lithosphere includes all of the crust and part of the mantle.
a)
TRUE
b)
FALSE
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