Multiple Choice
Identify the choice that best completes the
statement or answers the question.
|
|
|
1.
|
Plates slide past one another at ____.
a. | subduction zones | c. | convection currents | b. | transform boundaries | d. | divergent
boundaries |
|
|
|
 Figure
10-1
|
|
|
2.
|
According to Figure 10-1, what type of plate boundary occurs between the Nazca
Plate and the South American Plate?
a. | convergent continental-continental plate boundary | b. | convergent
oceanic-continental plate boundary | c. | convergent oceanic-oceanic plate
boundary | d. | transform boundary |
|
|
|
3.
|
The boundary between two plates moving together is called a ____.
a. | convergent boundary | c. | divergent boundary | b. | lithosphere | d. | transform
boundary |
|
|
|
4.
|
Which is the thickest layer of the Earth?
a. | outer core | c. | mantle | b. | inner core | d. | crust |
|
|
|
5.
|
The hypothesis that continents have slowly moved to their current locations is
called ____.
a. | continental drift | c. | convection | b. | magnetic reversal | d. | continental
slope |
|
|
|
6.
|
The crust and crunchy upper part of the mantle make up Earth's ____.
a. | asthenosphere | c. | core | b. | continents | d. | lithosphere |
|
|
|
7.
|
A ____ forms where two oceanic plates collide.
a. | subduction zone | c. | transform boundary | b. | hot spot | d. | rift valley |
|
|
|
8.
|
Plates move apart at ____ boundaries.
a. | stable | c. | convergent | b. | divergent | d. | transform |
|
|
|
9.
|
What was used to discover that the youngest rocks were near the mid-ocean
ridge?
a. | fishing nets | b. | ropes lowered by hand from the HMS
Beagle | c. | the Glomar Challenger |
|
|
|
10.
|
____ currents inside Earth might drive plate motion.
a. | Convection | c. | Horizontal | b. | Vertical | d. | none of the
above |
|
|
|
11.
|
The ancient continent that contained all the landmasses is called
a. | Pangaea. | c. | Gondwana. | b. | Laurasia. |
|
|
|
12.
|
The ____ is (are) an example of a transform boundary.
a. | Appalachian Mountains | c. | Mid-Atlantic Ridge | b. | Himalaya | d. | San Andreas
Fault |
|
|
|
13.
|
Plates of the lithosphere float on the very top, gooey part of the mantle called
the ____.
a. | atmosphere | c. | core | b. | crust | d. | asthenosphere |
|
|
|
14.
|
Which of these statements about Earth's crust is true?
a. | It is a system of large masses called plates that slowly move together or
apart. | b. | It is a changing, moving surface with the same thickness
everywhere. | c. | It includes the continents, but not the ocean floor. | d. | It is a layer of
solid rock that remains the same throughout time. |
|
|
|
15.
|
The Moho forms a boundary between which two layers of the Earth?
a. | the upper mantle and the lower mantle | c. | the crust and the
mantle | b. | the lithosphere and the asthenosphere | d. | the outer core and the inner
core |
|
|
|
16.
|
Which layer of the Earth is liquid?
a. | upper mantle | c. | outer core | b. | lower mantle | d. | inner core |
|
|
|
17.
|
The ____ are mountains formed by the collision of the Indo-Australian Plate and
the Eurasian Plate.
a. | Appalachians | c. | Himalaya | b. | Alps | d. | Rockies |
|
|
|
18.
|
____ are formed when two continental plates collide.
a. | Strike-slip faults | c. | Mountain ranges | b. | Volcanoes | d. | Rift valleys |
|
|
|
19.
|
What two kinds of crust are there?
a. | silicon based and iron based | c. | continental and
oceanic | b. | outer and inner | d. | lithosphere and asthenospheric |
|
|
|
20.
|
Which layer of the Earth is the most dense?
a. | the outer core | c. | the lower mantle | b. | the crust | d. | the inner core |
|
|
|
21.
|
A deep well or mine shaft goes through which layer or layers of Earth?
a. | crust only | c. | mantle only | b. | mantle and core | d. | crust and
mantle |
|
|
|
22.
|
Active volcanoes are most likely to form at ____.
a. | divergent boundaries | b. | convergent oceanic–continental
boundaries | c. | transform boundaries | d. | the center of
continents |
|
|
|
23.
|
Scientists have observed that the plates move at rates ranging from 1 cm to 12
cm per ____.
a. | day | c. | decade | b. | century | d. | year |
|
|
|
24.
|
The Glomar Challenger provided support for the theory of plate tectonics
by providing ____.
a. | high-altitude photos of existing continents | b. | samples of plant
life from mid-ocean ridges | c. | samples of older rock found far from mid-ocean
ridges | d. | direct measurements of the movement of continents |
|
|
|
25.
|
The hypothesis that continents have slowly moved to their current locations is
called ____.
a. | magnetic reversal | c. | convection | b. | continental drift | d. | continental
slope |
|