Chapter 11 Multiple Choice
1. In relation to Earth's surface, the term "plates" refers to the:
a. Mid-ocean ridges
b. Rocks that form the visible portions of the continents
c. Rocks that form the ocean basins
d. Large moving sections of Earth's crust
2. Seismic waves have revealed that Earth is divided into how many distinct
layers of different density or states?
a. 1 b. 2 c. 3 d. 4
3. The process by which Earth's surface is roughened due to the planet's
internal energy is known as:
a. Gradation
b. Deposition
c. Tectonics
d. Mass wasting
4. The crust composes what percentage of Earth's entire mass?
a. 1 b. 3 c. 10 d. 15 e. 75
5. Earth's inner core is composed of:
a. Molten lava
b. Molten iron and nickel
c. Solid iron and nickel
d. Solid basalt
6.
a.
b.
c.
d.
e.
The Mohorovicic discontinuity is a level of the mantle marked by:
A significant change in density
An abrupt increase in the velocity of seismic waves
Constant depth
All of the above
a and b only
7. Rocks are materials of the:
a. Lithosphere
b. Asthenosphere
c. Inner core
d. Outer core
8. Which of the following rock types is most commonly found in the continental
crust?
a. Basalt
b. Limestone
c. Granite d. Sandstone
e. Chalk
True/False
1. Tectonic and gradational processes work to create the variety of Earth's
landforms.
2. The Mohorovicic discontinuity tends to be a mirror image of surface
topography.
3. Metamorphic rocks are not products of enormous heat and pressure deep in
Earth's crust.
Matching
a. Sedimentary Rock
e. Seismograph
b. Carbonates
f. mantle
c. silicates
g. core
d. lithosphere
1. The mineral group called __________ can be both organic and inorganic in
origin.
2. Rocks formed from accumulated sediment that is transformed by compaction or
cementation are called __________ rocks.
3. An instrument that measures vibratory waves that pass through Earth is a(n)
__________.
4. The __________ is a combination of the uppermost rigid layer of the mantle
and Earth's crust.
1.
2.
3.
4.
5.
6.
7.
8.
1.
2.
3.
1.
2.
3.
4.
d
d
c
a
c
b
a
c
t
t
f
b
a
e
d