Download Chapter 20, Mountain Formation

Chapter 20, Mountain Formation
NAME__________________________________________ PERIOD_____DATE___________________
True/False
Indicate whether the statement is true or false.
____ 1. Isostasy is an equilibrium between gravitational force and buoyant force.
____
2. Granite batholiths are associated with continental-continental plate boundaries.
____
3. The Himalayas are older than the Appalachian Mountains.
____
4. Ocean ridges form at convergent plate boundaries.
____
5. Orogeny is a term that refers to all processes that form Earth’s crust.
____
6. The mantle has a greater density than continental crust.
____
7. The Grand Tetons are classified as fault block mountains.
____
8. The Rockies were once twice as high as they are currently
Multiple Choice
Identify the choice that best completes the statement or answers the question.
____
9. The Himalayas are one of Earth’s tallest mountain ranges. Marine sedimentary rock can be found at the top of some
of the individual peaks in the Himalayas. These characteristics would allow you to classify the Himalayas in which
column of the chart?
a. A
b. B
c. C
d. D
____ 10. The Lesser Antilles and the Appalachian Mountains are similar in that they were both formed
a. by convergence
b. by faulting
c. by volcanoes
d. by oceanic plate movement
____ 11. Which lists Earth materials in order of increasing density?
a. oceanic crust, continental crust, mantle
b. mantle, oceanic crust, continental crust
c. continental crust, oceanic crust, mantle
d. continental crust, mantle, oceanic crust
____ 12. Subduction zones form at
.
a. only oceanic-oceanic boundaries
b. only oceanic-continental boundaries
c. both oceanic-oceanic boundaries and oceanic-continental boundaries
d. neither oceanic-oceanic boundaries or oceanic continental boundaries
.
____ 13. A good model for isostasy is ____.
a. a collision between two cars
b. the water line of a boat when someone boards or leaves it
c. scraping food off a plate
d. stretching a cracked, old rubber band
____ 14. In the process of isostatic rebound, mountains are eroded over hundreds of millions of years, while the crust below
them ____.
a. rises
c. splits to form a rift
b. sinks
d. converges at a boundary
____ 15. After millions of years of erosion, the Appalachian Mountains still exist because of ____.
a. continental drift
c. erosion
b. orogeny
d. isostatic rebound
____ 16. Uplifted mountains ____.
a. form when a large region of Earth’s crust rises up as a unit
b. have rocks that are not very deformed
c. are the result of erosional forces
d. all of the above
____ 17. As mountains build vertically, the crust at the root of the mountains
a. Rises
b. sinks
c. splits to form a rift
____ 18. Even though India is colliding with Asia currently at a rate of about 5cm per year, Mount Everest is not rising any
measurable amount because of
a. Orogeny
b. weathering and erosion
c. isostatic rebound
d. both B and C
____
19. Longest mountain range on planet Earth.
a. Himalayas
b. Appalachians
c. Andes
d. Mid-Atlantic Ridge
____ 20. Fault-block mountains ____.
a. form when two continental plates collide
b. form above a subduction zone
c. form when a large pieces of crust are dropped between large faults
d. all of the above
____ 21. The Himalayas formed as the result of ____.
a. hot spot volcanism
b. divergence on the ocean floor
c. continental-continental convergence
d. oceanic-oceanic convergence
Matching
Match each item with the correct definition below.
a. fault-block mountains
d. pillow basalts
b. isostatic rebound
e. isostasy
c. orogeny
f. Uplifted (dome) mountains
____
____
____
____
____
22.
23.
24.
25.
26.
____
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____
____
27.
28.
29.
30.
Mountains that form when large pieces of crust are tilted, uplifted, or dropped between large faults
Billowy rocks that form when lava erupts onto the seafloor
Cycle of processes that form mountain ranges
Slow process of the crust’s rising after overlying material is removed
Condition of equilibrium whereby Earth’s crust is balanced by the upward force of buoyancy and the downward
force of gravity
Mountains that form when large regions of Earth experience upward movement
The Grand Tetons
The Black Hills
The “Laramide”
Chapter 20, Mountain Formation
NAME__________________________________________ PERIOD_____DATE___________________
True/False
Indicate whether the statement is true or false.
__T__ 1. Isostasy is an equilibrium between gravitational force and buoyant force.
__T__ 2. Granite batholiths are associated with continental-continental plate boundaries.
__F__ 3. The Himalayas are older than the Appalachian Mountains.
__F__ 4. Ocean ridges form at convergent plate boundaries.
__F__ 5. Orogeny is a term that refers to all processes that form Earth’s crust.
__T__ 6. The mantle has a greater density than continental crust.
__T__ 7. The Grand Tetons are classified as fault block mountains.
__T_
8. The Rockies were once twice as high as they are currently.
Multiple Choice
Identify the choice that best completes the statement or answers the question.
__C__ 9. The Himalayas are one of Earth’s tallest mountain ranges. Marine sedimentary rock can be found at the top of some
of the individual peaks in the Himalayas. These characteristics would allow you to classify the Himalayas in which
column of the chart?
a. A
b. B
c. C
d. D
__A__ 10. The Lesser Antilles and the Appalachian Mountains are similar in that they were both formed
a. by convergence
b. by faulting
c. by volcanoes
d. by oceanic plate movement
__C__ 11. Which lists Earth materials in order of increasing density?
a. oceanic crust, continental crust, mantle
b. mantle, oceanic crust, continental crust
c. continental crust, oceanic crust, mantle
d. continental crust, mantle, oceanic crust
__C__ 12. Subduction zones form at
.
a. only oceanic-oceanic boundaries
b. only oceanic-continental boundaries
c. both oceanic-oceanic boundaries and oceanic-continental boundaries
d. neither oceanic-oceanic boundaries or oceanic continental boundaries
.
__B__ 13. A good model for isostasy is ____.
a. a collision between two cars
b. the water line of a boat when someone boards or leaves it
c. scraping food off a plate
d. stretching a cracked, old rubber band
__A__ 14. In the process of isostatic rebound, mountains are eroded over hundreds of millions of years, while the crust below
them ____.
a. Rises
c. splits to form a rift
b. Sinks
d. converges at a boundary
__D__ 15. After millions of years of erosion, the Appalachian Mountains still exist because of ____.
a. continental drift
c. erosion
b. Orogeny
d. isostatic rebound
__D__ 16. Uplifted mountains ____.
a. form when a large region of Earth’s crust rises up as a unit
b. have rocks that are not very deformed
c. are the result of erosional forces
d. all of the above
__B__ 17. As mountains build vertically, the crust at the root of the mountains
a. Rises
b. sinks
c. splits to form a rift
__D__ 18. Even though India is colliding with Asia currently at a rate of about 5cm per year, Mount Everest is not rising any
measurable amount because of
a. Orogeny b. weathering and erosion
c. isostatic rebound
d. both B and C
__D__
19. Longest mountain range on planet Earth.
a. Himalayas
b. Appalachians
c. Andes
d. Mid-Atlantic Ridge
__C__ 20. Fault-block mountains ____.
a. form when two continental plates collide
b. form above a subduction zone
c. form when a large pieces of crust are dropped between large faults
d. all of the above
__C__ 21. The Himalayas formed as the result of ____.
a. hot spot volcanism
b. divergence on the ocean floor
c. continental-continental convergence
d. oceanic-oceanic convergence
Matching
Match each item with the correct definition below.
a. fault-block mountains
d. pillow basalts
b. isostatic rebound
e. isostasy
c. Orogeny
f. Uplifted (dome) mountains
__A__ 22.
__D__ 23.
__C__ 24.
__B__ 25.
__E__ 26.
Mountains that form when large pieces of crust are tilted, uplifted, or dropped between large faults
Billowy rocks that form when lava erupts onto the seafloor
Cycle of processes that form mountain ranges
Slow process of the crust’s rising after overlying material is removed
Condition of equilibrium whereby Earth’s crust is balanced by the upward force of buoyancy and the downward
force of gravity
__F__ 27. Mountains that form when large regions of Earth experience upward movement
__A__ 28. The Grand Tetons
__F__ 29. The Black Hills
__C__ 30. The “Laramide”
Chapter 20 Quiz, Mountains
Name: _______________________________ Date: _______________________________
1.
9.
22.
2.
10.
23.
3.
11.
24.
4.
12.
25.
5.
13.
26.
6.
14.
27.
7.
15.
28.
8.
16.
29.
17.
30.
18.
19.
20.
21.
Chapter 20 Quiz, Mountains
Name: _______________________________ Date: _______________________________
1.
9.
22.
2.
10.
23.
3.
11.
24.
4.
12.
25.
5.
13.
26.
6.
14.
27.
7.
15.
28.
8.
16.
29.
17.
30.
18.
19.
20.
21.