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Earth's Interior
By Erin Smoak
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Last updated about 6 years ago
21 questions
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Note from the author:
Earth's Layers
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Question 1
1.
List the 4 main layers of earth from outside to inside
Crust
Mantle
Outer Core
Inner Core
Question 2
2.
Geologists use two lines of evidence to learn about earth's interior: evidence from rock samples and evidence from
volcanoes.
True
False
Question 3
3.
The continental crust is
thicker
and less dense than oceanic crust.
True
False
Question 4
4.
Pressure and temperature
increase
as you move deeper below earth's surface.
True
False
Question 5
5.
The
lithosphere
is made of rock that is strong and rigid.
True
False
Question 6
6.
The mantle is nearly
2,000
km thick.
True
False
Question 7
7.
Where does the energy for mantle convection come from?
The Mesosphere
The Core
The Lithosphere
11
13
14
10
8
9
12
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1
1
3
3
1
1
Question 15
15.
Density is the measure of how much ______ is in a given volume of a substance?
Mass
Energy
Length
Volume
Question 16
16.
A cool fluid is
less
dense than a warm fluid.
True
False
Question 17
17.
What are the 2 metals that make up earth's core?
Silica
Iron
Nickel
Magnesium
Question 18
18.
The Earth's magnetic field is created by movement in the
core.
True
False
Question 19
19.
Which of these would a compass in the northern hemisphere point to?
Magnetic South
North Pole
Geographic North
Magnetic North
Question 20
20.
What is the source of energy that drives plate tectonics?
radioactive elements
the crust
the sun
the mantle
Question 21
21.
Categorize the layers of the earth by their state.
Inner Core
Outer Core
Lithosphere
Crust
Mantle
Solid
Liquid
Plastic
Question 8
8.
Which of these is oceanic crust?
H
F
A
B
Question 9
9.
Which of these is continental crust?
G
A
B
F
Question 10
10.
Which of these is mantle?
F
A
B
C
Question 11
11.
What causes the convection cell to turn at point 2?
Increase in Density
Inertia
Decrease in Density
Gravity
Cooling
Heating
Question 12
12.
What causes the convection cell to turn at point 4?
Decrease in Density
Heating
Inertia
Gravity
Cooling
Increase in Density
Question 13
13.
Where is the density of the mantle material greater?
1
2
Question 14
14.
Where is the temperature of the mantle greater?
3
4