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Inside The Earth And Restless Continents
Test Description: This is a review for Chapter 7
Instructions: Answer all questions to get your test result.
1) Tectonic plates consist of
A
continental crust.
B
mesosphere.
C
oceanic crust.
D
both continental and oceanic crust.
2) The deep interior of the Earth can be mapped using
A
sonar.
B
ocean waves.
C
information from drilling expeditions.
D
seismic waves.
3) The layer of rock that comprises 67% of Earth’s mass
A
core
B
mantle
C
crust
D
mesosphere
4) The layer of Earth made mostly of iron
A
crust
B
lithosphere
C
core
D
mantle
5) The thin, solid outermost layer above the mantle
A
crust
B
mantle
C
mesosphere
D
core
6) The rigid layer made up of crust and upper mantle
A
mesosphere
B
asthenosphere
C
lithosphere
D
mantle
7) The layer made of solid rock that slowly flows
A
mesosphere
B
asthenosphere
C
mantle
D
lithosphere
8) The lower part of the mantle
A
asthenosphere
B
mesosphere
C
lithosphere
D
mantle
9) Wegener thought that all the continents were once together in one large continent called
A
Laurasia.
B
Pangaea.
C
Gondwana.
D
Eurasia.
10) New oceanic lithosphere forms as a result of
A
continental drift.
B
sea-floor spreading.
C
normal polarity.
D
reverse polarity.
11) Evidence for sea-floor spreading has come from
A
the breakup of Pangaea.
B
fossils in South America and Africa.
C
magnetic minerals on the ocean floor.
D
ancient climactic conditions.
12) Hypothesis that states that the continents were once one large mass that broke apart
A
magnetic minerals
B
sea-floor spreading
C
magnetic reversal
D
continental drift
13) Process that takes place at mid-ocean ridges
A
sea-floor spreading
B
magnetic minerals
C
fossils
D
magnetic reversal
14) Part of molten rock at mid-ocean ridges
A
continental drift
B
fossils
C
magnetic minerals
D
sea-floor spreading
15) Process of Earth’s magnetic poles changing places
A
magnetic reversal
B
continental drift
C
sea-floor spreading
D
fossils
16) Items that provide evidence that the continents were once closer together
A
magnetic reversal
B
magnetic minerals
C
continental drift
D
fossils
*select an answer for all questions
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