earthquakes!
DESCRIPTION
Earthquakes!. Created by. Mildred (who else?). Final Jeopardy. Page 10. More pg.10. Page 11. More pg.11. My Fault. $100. $100. $100. $100. $100. $200. $200. $200. $200. $200. $300. $300. $300. $300. $300. $400. $400. $400. $400. $400. $500. $500. $500. $500. $500. - PowerPoint PPT PresentationTRANSCRIPT
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Created by Mildred (who else?)
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$100
Page 10 More pg.10 Page 11 More pg.11 My Fault
$200$300$400$500
$100$200$300$400$500
$100$200$300$400$500
$100$200$300$400$500
$100$200$300$400$500
Final Jeopardy
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What is the density of oceanic crust?
About 3.0 g/cm3
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What is the depth, below the surface, of the outer core?
2800 - 2900 km
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What is the interior temperature at a depth of
3000 km in the earth?
5000oC
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What is the melting point of the rock at a depth of 4000 km?
About 5500oC
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The Cascades
What is the name of the mountain range that lies on the western edge of the North American
continent?
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The 'plastic mantle' is also known as the..........
Asthenosphere
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What is the pressure at a depth of 3500 km below the surface of the earth?
(GIVE UNITS!)
About 2 million atmospheres
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In what state of matter is the rock at a depth of 3500 km in
the earth?
Liquid
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DAILY DAILY DOUBLEDOUBLE
You may wager some or all of your money.
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What is the thickness of the outer core?
2200 - 2300 km
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What is the name of the interface between the crust and
the plastic mantle?
The MOHO
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How long does it take S waves to travel 3000 km?
10 minutes
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How far will P waves travel in 11 minutes 20 seconds?
8000 km
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A seismic station is 4000 km from the epicenter of an earthquake. How long after P waves arrive will the S waves arrive at the
same station?
5 minutes 40 seconds
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It takes P waves 11 minutes and 20 seconds to travel from the epicenter of an earthquake to a seismic station. How long
will it take S waves from the same earthquake to reach that seismic station?
20 minutes and 40 seconds
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S waves from an earthquake arrive at a seismic station at 2:15:20 PM. If the
seismic station is located 2000 km from the epicenter, at what time did the
earthquake occur?
2:08:00 PM
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What is the difference in arrival time between P and S
waves at a distance of 2600 km from an epicenter?
4 minutes
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As the distance from an epicenter increases, the
difference in arrival time between P & S waves ...........
Increases
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An earthquake occurs at 3:30:00 AM. At what time will S waves arrive at a seismic
station located 6500 km from the epicenter of the quake?
3:48:00 AM
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The difference in arrival times between P and S waves is 5 minutes and 20 seconds. How far from the
epicenter is the seismic station located?
3600 km
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The difference in arrival times between P & S waves is 7 minutes
and 20 seconds. If the P waves arrived at the station at 6:45:00 PM,
at what time did the earthquake occur?
6:36:00 PM
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What term is used to
describe the area in the diagram
where "No waves" are recorded?
Shadow Zone
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The location inside the earth where the earthquake actually
occurs is called the........
Focus
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Why does zone 3 in the diagram
receive P waves
but no S waves?
S waves cannot travel through the liquid outer core
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Which letter in the
diagram represents
the epicenter
of the quake?
Location C
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What kind of plate boundary is depicted in the diagram?
A transform boundary
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FINAL JEOPARDY
?
Wager all or some of your money!
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What was the time of origin of this earthquake?
11:53 AM