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WorksheetsEarthquake
Total questions: 10
Worksheet time: 2mins
1.Giant sea waves caused by an earthquake on the ocean floor are called
a. plates
b. faults
c. tides
d. tsunamis
2. The shaking and trembling that result from the sudden movement of a part of the earth’s crust is known as ___________.
a. landslide
b. mudflow
c. earthquake
d. tectonic plate
Study the figure below. Use it as your basis for your answers to items 3 and 4.
3. The underground point of origin of an earthquake islocated at x. What does x represent?
a. focus
b. epicenter
c. magma
d. wave
4. The spot on the surface of the earth directly above x is y. What do you call y?
a. focus
b. epicenter
c. magma
d. wave
5. The phenomenon that results when the shaking brought on by an earthquake decreases the stiffness and strength of soil is called
_______.
a. siltation
b. liquefaction
c. landslide
d. fire
6. The zone that circles the Pacific Ocean is called the Ring of Fire because there are many _________ in this area.
a. forest fires starting
b. denuded mountains
c. volcanoes erupting
d. deep valleys
7. The ___________ Scale contains the values of the magnitude of an earthquake.
a. Celsius
b. Richter
c. Mercalli
d. Rossi-Forel
8. The destructive effects of an earthquake are indicated by its intensity.
a. True
b. False
9. When an earthquake has a magnitude of 8 on the Richter Scale, how will you describe its effects on areas near the epicenter?
a. damaging shocks
b. destruction in populated areas
c. serious damage to buildings
d. destroyed communities
10. What is the safety measure that people should observe before an earthquake occurs?
a. Conduct fire drills.
b. Conduct earthquake drills.
c. Conduct military drills.
d. Conduct calisthenics drills.
