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Earth And Plate Tectonics
Test Description: Chapter 11 and 12
Instructions: Answer all questions to get your test result.
1) About how far is it from Earth’s surface to its center?
A
640 km
B
64 km
C
6400 km
D
6.4 km
2) Vibrations that travel through Earth’s interior are known as:
A
seismic waves.
B
shock waves.
C
earthquake waves.
D
crust waves.
3) Earth’s magnetic field is generated by powerful electric waves in the:
A
inner core.
B
mantle.
C
asthenosphere.
D
outer core.
4) Which of the following is the correct order for the layers of Earth from coolest temperature to warmest temperature?
A
Crust, mantle, core
B
c. Core, mantle, crust
C
Mantle, crust, core
D
Mantle, core, crust
5) Less buoyant, denser materials have settled closer to which layer of Earth?
A
Lithosphere
B
Core
C
Continental crust
D
Oceanic crust
6) The continental crust floats ____________________ in the mantle than the oceanic crust.
A
outside
B
higher
C
inside
D
lower
7) The ____________________ includes the crust and a thin part of the mantle
A
outer core
B
lithoshpere
C
continental crust
D
asthensoshpere
8) The lower part of the upper mantle is called the ____________________.
A
outer core
B
asthensoshpere
C
lithoshpere
D
continental crust
9) Which answer describes oceanic crust?
A
Thinnest crust, light density and made of andesite and granite.
B
Thickest crust, light density and made of pegmatite.
C
Thinnest crust, very dense, and mostly made of basalt.
D
Thickest crust, very dense, and mostly made of basalt.
10) Which answer describes continental crust?
A
Thinnest crust, very dense, and mostly made of basalt.
B
Thinnest crust, light density and made of andesite and granite.
C
Thickest crust, light density and made of pegmatite.
D
Thickest crust, very dense, and mostly made of basalt.
11) . ____ was the scientist who proposed the idea of continental drift.
A
Charles Darwin
B
Isaac Newton
C
Alfred Wegener
D
a. CHarry Hess
12) The process by which new ocean floor is created and causes the continents to “drift” is:
A
Converging
B
Convection
C
Sea-floor spreading
D
Subduction
13) Subduction of a plate is caused by:
A
cooling followed by older plate going under into the mantle.
B
heating followed by older plate going under into the mantle.
C
cooling followed by the older plate going above the mantle.
D
heating followed by the older plate going above the mantle.
14) The ancient supercontinent that existed about 250 million years ago is called ____________________.
A
Continental Drift
B
Pangea
C
Continental Spread
D
Pandemic
15) ____________________ boundaries are located where two plates are colliding into each other
A
Fault
B
Converent
C
Transform
D
Divergent
16) ____________________ boundaries are located where two plates are going in opposite directions.
A
Tranform
B
Divergent
C
Fault
D
Convergent
17) Volcanic eruptions occur at both _____ and _____ boundaries but NOT at _____ boundaries.
A
Convergent, Transform but not Divergent
B
Transform, Convergent but not Divergent
C
Divergent, Subduction but not Convergent
D
Convergent, Divergent but not Transform.
18) The valley that forms on the ocean floor where ocean plates collide is known as a(n) _____________.
A
continent
B
deep ocean trench
C
sea-floor spreading
D
rift valley
19) How the Hawaiian Islands were formed?
A
A rising mantle plume caused a volcanic eruption.
B
An oceanic plate slide against another plate.
C
Two continental plates separated.
D
Oceanic plates collided with continental plate.
20) In the Atlantic ocean, the plates are diverging. What land form is being created?
A
Volcanoes
B
Deep ocean trench
C
Mid ocean ridge
D
A rise
*select an answer for all questions
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