Direction: Read and understand the questions carefully. Write the letter of the
correct answer on your answer sheet.
1. Which of the following waves travel the fastest and shake the ground in
an alternating motion?
A. L (Love waves) C. R (Rayleigh waves)
B. P (Primary waves) D. S (Secondary waves)
2. What tool is used to study seismic waves and earthquakes?
A. compass C. rain gauge
B. hygrometer D. seismograph
3. Which is the largest layer of the Earth and mainly made of oxygen,
silicon, and magnesium?
A. crust C. mantle
B. inner core D. outer core
4. Which of the following describes the behavior of primary waves?
A. caused more damage C. travel at higher velocity
B. larger waves D. travel up and down
5. What do you call the vibrations in the earth brought about by the abrupt
movement of rocks?
A. earthquake C. fault
B. epicenter D. tsunami
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Answer:
1. b
2. d
3. c
4. c
5. a