7.- Seismic waves

Descripción

https://www.khanacademy.org/science/cosmology-and-astronomy/earth-history-topic/seismic-waves-tutorial/v/seismic-waves
PEDRO ALVAREZ JIMENEZ
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PEDRO ALVAREZ JIMENEZ
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Resumen del Recurso

Pregunta 1

Pregunta
Why is the study of seismic waves so useful?
Respuesta
  • Because is essential for knowing more about earthquakes
  • Because we can figure out the internal structure of the planet
  • Because we can get information about the external composition of the planet

Pregunta 2

Pregunta
What are the two fundamental types of seismic waves?
Respuesta
  • P waves and S waves
  • L waves and R waves
  • Surface and body waves

Pregunta 3

Pregunta
What are the two types of body waves?
Respuesta
  • P waves and S waves
  • L waves and R waves
  • Surface and body waves

Pregunta 4

Pregunta
Point two different properties of the S waves
Respuesta
  • They arrive first and can travel through solid
  • They arrive second and can travel through liquid
  • They arrive second and can travel trough solid

Pregunta 5

Pregunta
Regarding to P waves characteristics, how can we know the outer core is liquid?
Respuesta
  • P waves reach first the outer core
  • S waves cannot travel through outer core but P waves do
  • P waves are better known than S waves
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