AnswersWV-Earth and Space Science A-CRMiddle and Recent Earth History

Earth's Interior Answers

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1
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Geologists obtain indirect evidence about Earth’s interior by

A
measuring pressure differences at Earth’s surface.
B
estimating temperature inside earth.
C
directly looking under the many layers.
D
recording and studying seismic waves.
2
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To study Earth’s interior, geologists often rely on indirect methods, such as evidence from fossils.

A
T
B
F
4

Please select the word from the list that best fits the definition

A
seismic waves
B
asthenosphere
C
mantle
D
lithosphere
E
basalt
F
granite
G
core
H
crust
5

Using data from seismic waves, geologists have learned that Earth’s interior is made up of several

A
continents.
B
layers.
C
ridges.
D
trenches.
6

Please select the word from the list that best fits the definition

A
seismic waves
B
asthenosphere
C
mantle
D
lithosphere
E
basalt
F
granite
G
core
H
crust
7

Pressure increases from Earth’s surface toward the center of Earth.

A
T
B
F
8

Earth’s mantle is

A
a layer of molten metal.
B
a layer of hot rock.
C
a dense ball of solid metal.
D
a layer of rock that forms Earth’s outer skin.
9

Scientists think that the __________, made of liquid iron and nickel, moves to produce Earth’s magnetic field.

A
crust
B
mantle
C
outer core
D
inner core
10

Earth’s magnetic field results from movements in the

A
mantle.
B
outer core.
C
inner core.
D
crust.

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