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WorksheetsPlate Tectonics
Total questions: 25
Worksheet time: 13mins
Name
Class
Date
1.
Who is the German meteorologist who formed the hypothesis of continental drift.
a)
Harry Hess
b)
Alfred Wegener
c)
Alfred Dewire
d)
Theresa Wentling
2.
According to the theory of continental drift, the continents were part of one landmass called_________.
a)
PAE
b)
PANGAEA
c)
PANGEEA
d)
PAM
3.
According to the theory of seafloor spreading, hot less dense material rises toward the surface at____________.
a)
magnetic poles
b)
south pole
c)
mid-ocean ridges
d)
asthenospheres
4.
Earth's crust and part of the upper mantle are broken into sections called__________.
a)
plates
b)
mantle
c)
core
d)
inner core
5.
Plates move on top of the ________.
a)
mantle
b)
inner core
c)
outer core
d)
crust
6.
The upper rigid part of Earth that contains the crust and part of the upper mantle is called the _________.
a)
asthensosphere
b)
inner core
c)
lithosphere
d)
glossoposphere
7.
The cycle of heating, rising, cooling, and sinking is called____.
a)
convection currents
b)
water cycle
c)
Earth cycle
d)
tension force
8.
What landforms can form along convergent boundaries?
a)
volcanoes
b)
mountains
c)
ocean basins
d)
all
9.
The youngest rock in the ocean floor are located at the _______.
a)
magnetic field
b)
magma field
c)
mid-ocean ridge
d)
mid-land ridge
10.
The presence of the same _____ on several continents support the idea of continental drift.
a)
fossils
b)
rocks
c)
climate
d)
all
11.
Continental drift occurs because of ________.
a)
sea floor spreading
b)
earthquakes
c)
magnetic reversal
d)
fossils
12.
Oceanic plates are pushed down into the upper mantle in _____.
a)
convection currents
b)
divergent boundaries
c)
subduction zones
d)
strike slip faults
13.
The alignment of iron-bearing minerals in rocks when they formed reflect the fact that Earth's ____ has reversed itself several times in the past.
a)
asthenosphere
b)
core
c)
magnetic field
d)
gravity
14.
Sea floor spreading occurs because..
a)
new material is added to the asthenosphere
b)
earthquakes break apart the ocean floor
c)
sediments accumulate on the ocean floor
d)
hot, less dense material is forced up to Earth's surface
15.
Plate move apart at ___ boundaries.
a)
convergent
b)
divergent
c)
transform
d)
explode
16.
____, occuring in the mantle, are thought to be the force behind plate tectonics.
a)
fire
b)
subduction zone
c)
weather currents
d)
convection curents
17.
During a ___, the lines of magnetic force run the opposite way.
a)
magnometer
b)
magnetic reversal
c)
convection currents
d)
upper mantle
18.
A device called a ___ is used to detect magnetic fields.
a)
magnometer
b)
magotron
c)
metamorph
d)
magnet
19.
The area where an oceanic plate goes down below the mantle is called a_____.
a)
magnometer
b)
submarine zone
c)
submerge zone
d)
subduction zone
20.
What is this a picture of?
a)
convergent
b)
divergent
c)
transform
d)
explode
21.
What is happening in this image?
a)
convergent
b)
divergent
c)
transform
d)
explode
22.
What is happening at this plate boundary?
a)
convergent
b)
divergent
c)
transform
d)
explode
23.
Which of these is evidence for sea floor spreading?
a)
Young rocks are at mid ocean ridges.
b)
The cool magma sinks back into the mantle.
c)
Mesosaurus
d)
Glossopteris
24.
Who came up with the theory of sea floor spreading?
a)
Alfred Wegener
b)
Al Capone
c)
Harry Hess
d)
Harry Haas
25.
What is the name for the crust and the upper mantle?
a)
lithosphere
b)
asthenosphere
c)
mesosphere
d)
atmosphere
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