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Vocabulary For Continental Drift, Seafloor Spreading, Plate Tectonics
Test Description: Vocabulary Review for test 2. Continental Drift, Seafloor Spreading, Plate Tectonics are covered on the exam.
Instructions: Answer all questions to get your test result.
1) What is continental drift?
A
Name of the continent today’s continents formed from
B
(hypothesis) Continents slowly move
C
Crust and part of the upper mantle (lithosphere) of the earth that are broken into pieces
D
(theory) Magma pushes the seafloor apart and creates a new seafloor when it erupts
2) What is seafloor spreading?
A
Crust and part of the upper mantle (lithosphere) of the earth that are broken into pieces
B
(theory) Magma pushes the seafloor apart and creates a new seafloor when it erupts
C
(theory) Plates move around on a layer of the mantle (asthenosphere)
D
(hypothesis) Continents slowly move
3) What is the asthenosphere?
A
Crust and part of the upper mantle (lithosphere) of the earth that are broken into pieces
B
Layer of mantle (under lithosphere)
C
Crust and part of the upper mantle
D
(theory) Plates move around on a layer of the mantle (asthenosphere)
4) What is a plate?
A
Name of the continent today’s continents formed from
B
Layer of mantle (under lithosphere)
C
Crust and part of the upper mantle (lithosphere) of the earth that are broken into pieces
D
Crust and part of the upper mantle
5) What is Pangaea?
A
(theory) Magma pushes the seafloor apart and creates a new seafloor when it erupt
B
Name of the continent today’s continents formed from
C
(theory) Plates move around on a layer of the mantle (asthenosphere)
D
Crust and part of the upper mantle
6) What is the lithosphere?
A
(theory) Plates move around on a layer of the mantle (asthenosphere)
B
Crust and part of the upper mantle (lithosphere) of the earth that are broken into pieces
C
Layer of mantle (under lithosphere)
D
Crust and part of the upper mantle
7) Define plate tectonics.
A
(hypothesis) Continents slowly move
B
(theory) Plates move around on a layer of the mantle (asthenosphere)
C
Crust and part of the upper mantle (lithosphere) of the earth that are broken into pieces
D
(theory) Magma pushes the seafloor apart and creates a new seafloor when it erupts
8) What theory states that magma pushes the seafloor apart and creates a new seafloor when it erupts?
A
Pangaea
B
Plate tectonics
C
Seafloor spreading
D
Continental drift
9) What theory states that plates move around on a layer of the mantle (asthenosphere)?
A
Seafloor spreading
B
Continental drift
C
Plate tectonics
D
Asthenosphere
10) What hypothesis states that continents slowly move?
A
Seafloor spreading
B
Plate tectonics
C
Continental drift
D
Lithosphere
*select an answer for all questions
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