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WorksheetsEarthquakes
Total questions: 12
Worksheet time: 6mins
Name
Class
Date
1.
What are the characteristics of primary waves?
a)
Particles of P-waves move in a push and pull motion and move the fastest than other waves.
b)
Particles of P-waves move up and down in a rolling motion.
c)
P-waves do not travel through the outer layer
d)
P-waves travel only on Earth's surface.
2.
What is the purpose of the three points in the center of the circles on the map?
a)
They are a plot for predicting earthquake activity.
b)
They calculate the speed of seismic waves.
c)
They show the mountains most likely to be affected by earthquakes.
d)
They are used to locate an earthquake's epicenter.
3.
Which of the following locations is associated with deep earthquakes?
a)
convergent plate boundaries
b)
divergent plate boundaries
c)
normal faults
d)
strike-slip faults
4.
Why are earthquakes common occurrences in California?
a)
California is located on a solid granite sheet.
b)
California is constantly pounded by waves from the Pacific Ocean.
c)
California is located on a tectonic plate boundary.
d)
California is built on ancient sand bars from ancient oceans.
5.
Which earthquakes scale starts at zero, has no upper limit, and reports ground motion?
a)
Richter scale
b)
moment magnitude scale
c)
ground shaking magnitude scale
d)
modified mericalli scale
6.
Readings need to be taken from at least _________ to determine the origin of an earthquake.
a)
two stations
b)
three stations
c)
four stations
d)
one station
7.
How can Earth's plates move?
a)
They only move toward each other.
b)
They only converge or diverge.
c)
They collide, pull apart, or slide past each other.
d)
They collide or slide along each other.
8.
The Modified Mercalli scale measures an earthquake's __________________.
a)
magnitude
b)
level of destruction
c)
strength
d)
duration
9.
Which wave type can pass through the solid inner core?
a)
primary
b)
seismic
c)
secondary
d)
surface
10.
A ___________ is used to measure seismic waves.
a)
barometer
b)
seismometer
c)
seismogram
d)
seismologist
11.
The place where an earthquake originates is called the _____________.
a)
tsunami
b)
focus
c)
epicenter
d)
fault line
12.
How do seismologists evaluate earthquake risks?
a)
geology around a fault, past earthquake activity, and population density
b)
forests, wildlife and past earthquake activity
c)
animal behavior, sun spot activity, and population density
d)
number of nearby active volcanoes, geologic location, and wild fires
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