Mountain Building
Practice Test
1.
The roots of a mountain are __________.
a.
often many times deeper than the mountain is high
b.
always as deep as the mountain is high
c.
always the same depth as the mountain is high
d.
often shallower than the mountain is high
2.
What types of igneous rocks are associated with island arc complexes?
a.
rhyolite and schist
b.
andesite
c.
basalt and andesite
d.
basalt and gabbro
3.
The tallest mountains on Earth are formed by __________.
a.
oceanic-continental convergence
b.
oceanic-oceanic convergence
c.
continental-continental convergence
d.
hot spots
4.
The Appalachian Mountains are an example of mountains that formed at __________.
a.
fault-block areas
b.
spreading centers
c.
convergent boundaries
d.
divergent boundaries
5.
What are two main elevation modes on Earth?
a.
4 km to 5 km above sea level
b.
0 km to 1 km above sea level and 4 km to 5 km below sea level
c.
4 km to 5 km above sea level and 0 km to 1 km below sea level
d.
1 km to 4 km above sea level
6.
Which is not a boundary mountain?
a.
fault-block mountains
b.
some volcanoes
c.
island arc complexes
d.
uplifted mountains
7.
What type of volcanic peaks are made by the boundary pictured in the figure?
a.
batholiths
b.
hot spots
c.
island arc complexes
d.
trenches
8.
What is isostasy?
a.
Continental and oceanic crust displace the mantle, so they are in equilibrium.
b.
equilibrium that has been established between continental and oceanic crust
c.
Continental crust floats on top of oceanic crust.
d.
mantle material upwelling around crustal material because of gravity
9.
The Hawaiian Islands are made of volcanoes that formed due to __________.
a.
divergence at plate boundaries
b.
convergence at plate boundaries
c.
uplift
d.
hot spot activity
10.
Why does continental crust rise higher above the surface of Earth than oceanic crust?
a.
Continental crust is less dense than the mantle.
b.
Continental crust is thinner and less dense.
c.
Continental crust is thicker and is less dense.
d.
Oceanic crust is under continental crust.
11.
Continental crust is made mostly of __________ and oceanic crust is made mostly of __________.
a.
basalt, granite
b.
grabbo, basalt
c.
granite, basalt
d.
granite, rhyolite
12.
The Mid-Atlantic Ridge is __________.
a.
made of mountains with steep slopes
b.
made of igneous rocks with high silica content
c.
a long, continuous chain
d.
approximately 5000 km long
13.
The Mid-Atlantic Ridge mountains are an example of mountains forming at __________.
a.
hot spots
b.
uplifted areas
c.
convergent boundaries
d.
divergent boundaries
14.
Which of these boundaries has the thinnest crust?
a.
D
b.
B
c.
C
d.
A
15.
What features do oceanic-continent and oceanic-oceanic convergences have in common?
a.
large mountain ranges and subduction zones
b.
crustal thickening
c.
subduction zones and trenches
d.
trenches
