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Question 1
Question
What do Earthquakes Cause?
Answer
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Shock waves, they travel on the surface and inside earth. We record them with Seismographs.
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Ocean Trenches.
Question 2
Question
What Two Types of Waves are there.
Answer
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P-Waves and S-Waves
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D-waves and M-waves
Question 3
Question
Explain P-Waves
Answer
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They go through Solids and Liquids. They are faster than S-Waves. They are Longitudinal.
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They only travel through Solids. They are Slower. They Are Transverse.
Question 4
Question
Explain S-Waves
Answer
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They only travel through Solids. They are Slower. They Are Transverse.
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They go through Solids and Liquids. They are faster than S-Waves. They are Longitudinal.
Question 5
Question
What happens to waves when they reach different layers of earth?
Answer
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They reflect, Sometimes
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They go init.
Question 6
Question
Do waves Change Speed?
Answer
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Yes, as the properties of the Mantle and Core change, it causes them to also change direction slightly - This is Refraction
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Nope.
Question 7
Question
Is the speed Change of waves Gradual?
Answer
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A lot of the time, it is, so it's got a curved path. But when the properties change suddenly, speed changes abruptly and so does Direction.
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No its sudden.
Question 8
Question
What do P-waves tell us about The Mantle and Core.
Answer
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P-Waves change direction abruptly about halfway down into earth, showing a sudden change in properties.
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Nuffin.
Question 9
Question
S-waves are not detected in the core's shadow, what does this tell us?
Answer
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That the Outer core is liquid because S waves only go through Solids
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THat the Core is Gas.
Question 10
Question
P-waves travel slightly faster in the core, what does this show?
Answer
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That the core is Solid.
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That the core is Gas.
Question 11
Question
S-waves go through mantle, what does this show?
Answer
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That the Mantle is solid.
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That the Mantle is Liquid.
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