Instructional Video

Pbs Learning Media: Earthquakes: The Seismograph

Curated by ACT

This video segment adapted from NOVA uses historical illustrations, photographs, and animations to explain how seismographs work, the difference between P and S waves, and the Richter scale.

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Concepts
earthquakes, seismic waves
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Additional Tags
primary wave, secondary wave, surface waves, 1755 lisbon earthquake, charles richter, pbs learningmedia: earthquakes: the seismograph, richter scale, teachers' domain, wgbh, p wave, s wave, seismograph, measuring earthquakes
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Classroom Considerations
  • Knovation Readability Score: 3 (1 low difficulty, 5 high difficulty)
  • The intended use for this resource is Instructional