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Earthquakes and Earths Interior UPDATED Exam Questions and CORRECT Answers

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Earthquakes and Earths Interior UPDATED Exam Questions and CORRECT Answers Describe "S" waves in detail including what the "s" means. - Correct Answer- Secondary waves travel along Earths outer layer move at right angles to direction they travel. Travel only through solids. Slower than P wa...

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  • August 18, 2024
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Earthquakes and Earths Interior
UPDATED Exam Questions and
CORRECT Answers

Describe "S" waves in detail including what the "s" means. - Correct Answer- Secondary
waves travel along Earths outer layer move at right angles to direction they travel. Travel
only through solids. Slower than P waves


Describe "P" waves in detail including what the "p" means. - Correct Answer- Primary waves
push-pull compressional waves move in direction waves travel. Travel through solids, liquids
and gases, fastest of all earthquake waves.


What is a tsunami? - Correct Answer- Seismic sea wave triggered by underwater earthquake
and shift in slab on ocean floor.


Describe how tsunami travels through water of different depths. - Correct Answer- Travels
faster in deeper water


Describe the composition of continental crust. - Correct Answer- Granitic rock with density
of 2.7 g/cm3. Less dense than oceanic crust.


How old is continental crust? - Correct Answer- Up to 4 billion years


How old is oceanic crust? - Correct Answer- 180 million years of less


What is the core of the Earth made of? - Correct Answer- Iron-Nickel alloy


What is the mantle made of? How do we know this? - Correct Answer- Peridotite, lava flows


Where did the most deadly Earthquake in the US occur? - Correct Answer- San Francisco

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