Indiana Science Grade 7

Chapter 20: Earthquakes and Volcanoes

Section 1 Self-Check Quiz-Eng.

1.
What is the cause of the vibrations felt during an earthquake?
A)all of the above
B)forces pushing/pulling on rocks
C)elastic rebound
D)rocks breaking under pressure
2.
What dictates the type of fault formed when a surface breaks?
A)the way in which the forces are applied to a rock
B)the weather conditions at the time of the faulting
C)the type of soil involved at the location of the fault
D)the current barometric pressure
3.
What kind of forces cause normal faults?
A)gravity
B)inertia
C)tension forces
D)compression forces
4.
Compression forces cause __________ faults.
A)slip
B)reverse
C)normal
D)tension
5.
How are strike-slip faults formed?
A)Shear forces form them.
B)Slip forces form them.
C)Gravitational forces form them.
D)Strike forces form them.
6.
What kind of waves do earthquakes transmit?
A)sound waves
B)tidal waves
C)seismic waves
D)air waves
7.
Which form of energy is transformed into seismic waves during an earthquake?
A)potential energy
B)kinetic energy
C)radiation
D)fusion
8.
What is the point on Earth's surface where an earthquake's energy is received?
A)epicenter
B)focus
C)center
D)equator
9.
From where do seismic waves originate?
A)epicenter
B)center
C)equator
D)focus
10.
Which waves cause the most damage during an earthquake?
A)ones that travel deep within Earth
B)ones that travel perpendicular to the mantle
C)ones that travel along the surface
D)ones that only travel downward
11.
Which waves cause particles to vibrate at right angles to the direction in which they are moving?
A)sound waves
B)P-waves
C)S-waves
D)seismic waves
12.
How do seismographs approximate the location of an epicenter?
A)The closer the arrival times of the different waves are, the farther away the earthquake is.
B)The farther apart the arrival times of the different waves are, the closer the earthquake is.
C)The arrival times have nothing to do with approximating the earthquake's location.
D)The farther apart the arrival times of the different waves are, the farther away the earthquake is.
13.
How does the Richter scale measure the energy an earthquake releases?
A)It records the timing of the waves.
B)It records the distance between the waves.
C)It records the height of the waves.
D)It records the type of waves.
14.
Which earthquake causes the most damage?
A)intensity Vlll
B)intensity IV
C)intensity Xll
D)intensity III
15.
How do seismologists predict earthquakes?
A)They measure movement along fault lines.
B)They monitor groundwater levels.
C)all of the above
D)They measure the electrical conductivity of rocks.
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