13. Which best explains the movement of tectonic plates?

B. Move several centimeters a year from convection in Earth

3. Which best describes why the same fossils were discovered in South America and Africa?

D. organisms once lived on Pangaea that later split

14. Submarine technology allowed the scientists to do which of these?

A. to explain the mechanism that caused continents movement

17. Which best describes plate motion in san andreas fault between earthquakes?

B. Plate motion continues, and plate tension increases.

8. What causes the tectonic plates of Earth to continually move?

D. convection currents in the mantle

10. A difference between the oceanic crust and the continental crust is that the oceanic crust

B. more dense than the continental crust.

18. Technology used on submarines led to proof of continental movement. This helped scientists

to explain the mechanism that caused the continents to move

2. Which event most likely caused the formation of folded mountain ranges?

A. Tectonic plates on the earth pushed together.

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Earthquakes and Vocanoes

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A Earthquake and Volcanoe review

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Questions 18

Answers

1
13. Which best explains the movement of tectonic plates?
D. Move several kilometers a year from convection in Earth.
B. Move several centimeters a year from convection in Earth
A. Move several miles a year from of convection in Earth.
C. Move several feet a year because of convection in Earth.
2
3. Which best describes why the same fossils were discovered in South America and Africa?
D. organisms once lived on Pangaea that later split
B. Organisms separated by the formation of new mountains
C. Organisms became extinct by climate change on continents
A. These organisms migrated to these two continents
3
14. Submarine technology allowed the scientists to do which of these?
C. to explain the extinction of the dinosaurs
B. to consider the glacial evidence as outdated
A. to explain the mechanism that caused continents movement
D. to consider it unlikely the continents were once together
4
16. The picture is a model of the Earth's interior. Which evidence best supports this model?
evaluations of seismic data
direct observations of the layers
explanations of the rock cycle
samples of rocks from the layers
5
17. Which best describes plate motion in san andreas fault between earthquakes?
D. Plate motion reverses, it return to original positions.
B. Plate motion continues, and plate tension increases.
C. Plate motion stops, and only the mantle moves.
A. Plate motion continues, and plate tension decreases.
6
6. If an earthquake occurs which best explains the direction the seismic waves will spread?
B. in all directions
C. to the north and the south
A. to the east
D. in a straight path to the west
7
12. Which of the following has the greatest direct influence on movement of the lithosphere?
C. Earth’s core
D. Earth’s mantle
A. the Sun
B. the Moon
8
5. What is most likely to form when seafloor spreading occurs at boundaries in the ocean.
C. lithosphere
A. strike-slip faults
C. mid-ocean ridges
B. subduction zones
9
11. Which layers of Earth are mostly made of solid material?
A. inner core and outer core
B. crust and inner core
D. mantle and outer core
C. crust and mantle
10
1. The solid layer of Earth that moves over a viscous layer is called the
D. atmosphere
C. asthenosphere
A. core
B. crust
11
15.. Which event takes place as the result of crustal movement along transform boundaries?
A. earthquakes
D. trenches
B. volcanic activity
C. mountain building
12
7. Which of the following is the most likely cause of earthquakes?
B. crashing meteorites
C. rotation of the core
A. shifting rock layers
D. magnetic force
13
9. Which geologic feature form when an oceanic plate is subducted beneath a continental plate?
A. trench
B. mid-ocean ridge
C. Continental Hot Spot
D. Continental Rift Valley
14
8. What causes the tectonic plates of Earth to continually move?
A. rotation of the solid core
B. volcanic and seismic activity in the crust
D. convection currents in the mantle
C. strong winds and storms
15
10. A difference between the oceanic crust and the continental crust is that the oceanic crust
D. less dense than the continental crust
B. more dense than the continental crust.
A. composed chiefly of sedimentary rocks.
C. older than the continental crust.
16
18. Technology used on submarines led to proof of continental movement. This helped scientists
to explain the mechanism that caused the continents to move
to consider it unlikely that continents were once together
to consider the glacial evidence as outdated
to explain the extinction of the dinosaurs
17
4 Which best explains the cause of the geysers formed in Yellowstone National Park?
A. erosion
D. artesian springs
B. earthquakes
C. volcanic activity
18
2. Which event most likely caused the formation of folded mountain ranges?
D. Tectonic plates on the earth broke into small pieces
A. Tectonic plates on the earth pushed together.
C. Tectonic plates on the earth slid past each other
B. Tectonic plates on the earth pulled apart

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