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Science Q2T2 2015
Test Description: Chapter 7 and 8
Instructions: Answer all questions to get your test result.
1) Sudden movements of rock along a fault cause
A
earthquakes
B
tectonic plate boundaries
C
seismic gaps
D
stress
2) Most earthquakes occur
A
near the center of tectonic plates
B
in Earth's mantle
C
in Earth's core
D
along tectonic plate boundaries
3) When an earthquake occurs, the first seismic waves to reach a nearby city are
A
secondary waves
B
tertiary waves
C
surface waves
D
primary waves
4) The point on Earth's surface directly above where rocks first start to move during an earthquake is the earthquake's
A
aftershock
B
epicenter
C
primary wave
D
seismic station
5) An earthquake in the ocean floor causes a water wave to form. This wave is an example of a(n)
A
tsunami
B
liquefaction
C
fault
D
aftershock
6) Which of the following help reduce earthquake damage to tall office buildings?
A
more windows
B
larger rooms
C
cross braces
D
brick walls
7) The strength of an earthquake depends in part on the
A
speed at which blocks of rock move
B
distance over which blocks of rock move
C
number of aftershocks it produces
D
types of seismic waves it produces
8) Secondary waves can travel through
A
oceans
B
air
C
rocks
D
lakes
9) Which seismic wave type causes the most ground motion to occur?
A
secondary waves
B
tertiary waves
C
surface waves
D
primary waves
10) During an earthquake, a large building sank down into the soil it was built on. The soil underneath this building was likely
A
wet and sandy
B
dry and rocky
C
wet and rocky
D
dry and sandy
11) What is one way that a folded mountain belt can form?
A
Two continental plates push together.
B
Blocks of crust move along faults.
C
Two oceanic plates spread apart.
D
Old volcanoes erupt and grow.
12) A dense cloud of super-hot gases and rock fragments that races downhill from an erupting volcano is called a
A
steam explosion
B
pyroclastic flow
C
cinder eruption
D
landslide
13) What is a volcano?
A
a huge crater that forms as the result of collapsing rocks
B
a mountain that forms as the result of faulting
C
a chamber of magma deep beneath the surface
D
an opening through which lava, rocks, and gases erupt
14) What are some of the effects of volcanic eruptions on Earth's atmosphere?
A
a decrease in the amount of sunlight that reaches Earth and an increase in Earth's temperature
B
an increase in acid rain and an increase in Earth's temperature
C
an increase in the amount of sunlight that reaches Earth and a decrease in acid rain
D
an increase in acid rain and a decrease in Earth's temperature
15) Scientists monitor volcanoes to
A
predict when future eruptions will occur
B
prevent gases from escaping through openings in Earth's crust
C
prevent future eruptions from occuring
D
cool the temperature of the magma rising inside the volcano
16) Along which type of plate boundary are folded mountains most likely to form?
A
divergent
B
active
C
transform
D
convergent
17) An opening through which lava, rocks, and gases erupt is called a
A
fumerole
B
volcano
C
geyser
D
caldera
18) Most volcanoes occur
A
along plate boundaries
B
in the center of a continent
C
over hot spots
D
along fault zones
19) Folded mountains form at tectonic boundaries where
A
plates move away from each other
B
new ocean crust is formed
C
plates move toward each other
D
plates move horizontally past each other
20) What makes a pyroclastic flow so dangerous?
A
its temperature and its volume
B
its temperature and its silica content
C
its speed and its temperature
D
its speed and its cinder content
*select an answer for all questions
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