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Lesson: Seismic Waves

In this lesson, we will learn how to describe the similarities and differences between infrasonic S-waves and P-waves and how they travel through the Earth's interior. 

Question Video: Seismic Waves

04:54

Worksheet: Seismic Waves • 5 Questions

Q1:

Which of the following statements about P-waves is not correct?

  • AP-waves are slower than S-waves.
  • BP-waves are longitudinal.
  • CP-waves travel through liquids.
  • DP-waves travel through solids.

Q2:

Which of the following statements about S-Waves is not correct?

  • AS-waves are longitudinal.
  • BS-waves travel through solids.
  • CS-waves cannot travel through Earth’s core.
  • DS-waves are slower than P-waves.

Q3:

The position of an earthquake’s epicenter is shown in the diagram. P-waves and S-waves are emitted from the epicenter. Three seismic sensor stations A, B, and C are shown.

Which station will detect only S-waves?

  • AStation C
  • BStation A
  • CNone
  • DStation B

Which station will detect only P-waves?

  • ANone
  • BStation A
  • CStation C
  • DStation B

Which station will detect S-waves and P-waves?

  • AStation A
  • BStation B
  • CNone
  • DStation C

Which station will detect neither P-waves nor S-waves?

  • AStation B
  • BStation A
  • CNone
  • DStation C
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