Exercise
Seismic Waves and Exploring Earth's Interior
Discover how scientists use seismic waves from earthquakes to study Earth's unseen inner layers. Learn how different wave behaviors reveal subterranean structures.
Questions
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MultiChoice
How do geologists gather evidence about the deep interior of Earth without drilling?
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MultiChoice
What instrument measures and records seismic waves?
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MultiChoice
What are primary waves (P-waves)?
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MultiChoice
What are secondary waves (S-waves)?
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MultiChoice
Why do S-waves stop completely when they hit Earth's outer core?
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MultiChoice
What happens to the speed of seismic waves when they pass into a denser solid layer?
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MultiChoice
What is bending of seismic waves as they cross into a layer of different density called?
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MultiChoice
What discovery proved that Earth's outer core is liquid?
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MultiChoice
Which seismic wave arrives at a recording station first after an earthquake?
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MultiChoice
What is seismic tomography?
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MultiChoice
What causes seismic wave paths to curve through Earth's mantle?
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MultiChoice
Which type of seismic wave causes particles to vibrate back and forth parallel to wave direction?