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Plate Tectonics
Test Description: Plate tectonics
Instructions: Answer all questions to get your test result.
1) The continental crustal plates have moved hundreds of miles in the last 200 million years. This is due to
A
supernatural forces
B
convection forces in the upper mantle
C
misinterpretation of scientific data
D
the gravity of the moon
2) Which layer of the earth is the hottest?
A
Mantle
B
Solid inner core
C
Crust
D
Liquid Outer Core
3) Choose the correct answer about the Ring of Fire
A
The Ring of Fire is a zone of earthquakes and volcanic activity
B
The Ring of Fire lies in the middle of the North American Plate
C
The Ring of Fire is known for a high percentage of forest fires
D
The Ring of Fire is located around the Pacific Plate
4) Compared to oceanic crust near deep-sea trenches, oceanic crust near mid-ocean ridges is
A
same age
B
older
C
magnetically reversed
D
younger
5) What best describes the process of subduction?
A
The process of more dense plates sinking beneath a less dense plate during a tectonic collision.
B
The process of two plates that hold land masses colliding causing both plates to shift upward forming a mountain range.
C
The process of tectonic plates pulling away from one another leaving cracks between them
D
The formation of a fault when two plates meet and both sink at the same time, creating a chasm between them
6) Compared to Earth's continental crust, Earth's oceanic crust is
A
thinner and less dense
B
thinner and denser
C
thicker and denser
D
thicker and less dense
7) When the sea floor spreads apart, volcanoes and ridges are formed because
A
as the plates pull apart, magma moves to the surface, building ridges
B
sediments are deposited where the floor spreads, building ridges
C
ocean water pushes down on the surrounding sea floor, pushing up ridges
D
underwater earthquakes life the sea floor into long ridges
8) The earth's mantle is made up of very hot material that rises to the top of the mantle, cools, then sinks, reheats, and rises again, constantly repeating the cycle. These currents cause the earth's crust to move. They are
A
Convection Currents
B
Hot Spots
C
Advection Forces
D
Magnetic Fields
9) Identical rock types, identical fossils, and very similar mountain ranges are found on different continents that are separated by a wide ocean. Which of these BEST explains these observations?
A
Some rock types are very common and found everywhere
B
The same forces erode mountains in different locations
C
Organisms traveled between these continents on land bridges
D
These continents were joined together at one time in the past
10) One of Alfred Wegener's problems in explaining his Theory of Continental Drift was
A
his evidence was lacking
B
anti-German prejudice
C
his lack of scientific background
D
he lacked knowledge of the underlying mechanisms that drive it
11) Coal beds in Antarctica indicated to Wegener that this continent was
A
inhabited by penguins
B
once located closer to the equator
C
always cold
D
once beneath the ocean
12) Most volcanoes occur
A
randomly
B
far from tectonic plate boundaries
C
along divergent boundaries
D
along convergent boundaries
13) Early mapmakers thought continents might have moved based on their observations of
A
earthquakes and floods
B
rock and fossil evidence
C
Gondwanaland
D
matching coastlines
14) What do you call the process in which fluids are heated, rise, cool, and then sink?
A
conduction
B
radiation
C
convection
D
permeation
15) Which represents the correct order of the density layers of the earth from outermost to innermost
A
lower core, upper core, inner mantle, outer mantle, crust
B
inner core, outer core, lower mantle, upper mantle, crust
C
crust, upper mantle, outer core, inner core
D
crust, outer core, lower mantle, upper mantle
16) Which of the following is NOT part of the Earth's lithosphere?
A
the crust
B
The inner core
C
the upper mantle
D
rocks on the surface
*select an answer for all questions
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