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Earth’s Interior
Theory of CD and
SS
Theory of Plate
Tectonics
Seismic waves
Gumbo
PLATE TECTONICS JEOPARDY!
$100$100
Jeopardy Menu
Earth’s Interior
T/F: “The asthenosphere is made of both the crust and the mantle and is below the lithosphere.”
False. The asthenosphere is made of only the mantle.
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As one descends deep into the Earth, what As one descends deep into the Earth, what two two propertiesproperties of the Earth start to of the Earth start to increase? increase?
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Earth’s Interior
Pressure and temperature
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Name the Name the threethree compositionscompositions of the of the mantlemantle. .
Jeopardy Menu
Earth’s Interior
1) Lithosphere like the crust
2) Asthenosphere soft, can bend like plastic
3) Lower mantle solid
$400$400A _______ ________ forms when the force of A _______ ________ forms when the force of
gravity at the surface closest to the moon gravity at the surface closest to the moon is ___________ than the force of the moonis ___________ than the force of the moon’’s s gravity on Earth as a whole.gravity on Earth as a whole.
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Tides General
High tide, stronger
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Explain why the tide cycle is ~25 hours. Explain why the tide cycle is ~25 hours.
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Tides General
As the Earth rotates, the moon revolves around the Earth in the same direction.
$100$100Fossils of Fossils of MesosaurusMesosaurus have been found in have been found in
South America and Africa. South America and Africa. Mesosaurus Mesosaurus lived lived in freshwater and on land. How do in freshwater and on land. How do Mesosaurus Mesosaurus fossils support the past fossils support the past existence of Pangaea? existence of Pangaea?
Jeopardy Menu
Theory of CD and
SS
Since Mesosaurus could only travel in freshwater, it could not have passed through oceans (salt water). Mesosaurus must have lived on both continents when they were joined.
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How did Wegener use How did Wegener use climate cluesclimate clues to to support his hypothesis of continental drift. support his hypothesis of continental drift.
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Theory of CD and
SS
1) Tropical plant fossils found on Spitsbergen.
2) Glacier scratches found in South Africa.
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As new crust becomes old crust at the Mid-As new crust becomes old crust at the Mid-Ocean ridge, what property of the crust Ocean ridge, what property of the crust (other than the age) is changing? (other than the age) is changing?
Jeopardy Menu
Theory of CD and
SS
The density is increasing.
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T/F: T/F: SubductionSubduction always occurs at a deep- always occurs at a deep-ocean trench and between an oceanic ocean trench and between an oceanic crust and a continental crust. crust and a continental crust.
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Theory of CD and
SS
False. Subduction can occur between an oceanic crust and an oceanic crust, and also between
a continental crust and a continental crust.
When did the first low tide occur? When did the first low tide occur? - 3:48 am3:48 am- 4:17 pm4:17 pm- 4:46 am4:46 am
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Jeopardy Menu
Theory of CD and
SS
3:19 pm
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San Adreas San Adreas is the location of a very famous is the location of a very famous faultfault. What . What kind of plate boundary does this fault represent? Draw an kind of plate boundary does this fault represent? Draw an example using arrows. example using arrows.
Jeopardy Menu
Theory of Plate
Tectonics
A Transform boundary.
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Jeopardy Menu
Theory of Plate
Tectonics
“Triple C” Mountain Chain.
1) Ural Mountains
2) Rocky Mountains
3) Appalachian Mountains
What does the What does the convergenceconvergence of a of a continentalcontinental plateplate and a and a continentalcontinental plateplate form and what form and what are the examples? are the examples?
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Jeopardy Menu
Theory of Plate
Tectonics
There are two important features of the There are two important features of the Theory of Plate Tectonics. What are they? Theory of Plate Tectonics. What are they?
1) Earth’s crust and part of the upper mantle are
broken up into sections called plates.
2) The plates are in constant slow motion on top of the asthenosphere.
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Jeopardy Menu
Theory of Plate
Tectonics
1) Divergent Underwater volcano
2) Convergent (O+C) Volcanic Mountain
3) Convergent (O+O) Volcanic Island Arc
Name the three types of plate boundary Name the three types of plate boundary formations where formations where volcanic eruptions volcanic eruptions can occur. can occur.
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Draw the orientation of the S, M, and E during spring Draw the orientation of the S, M, and E during spring tides. tides.
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Orientation of Sun, Moon and
Earth
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What is the difference between a What is the difference between a focusfocus and and an an epicenterepicenter of an earthquake? of an earthquake?
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Seismic Waves
• The focus is below the ground where the earthquake originated.
• The epicenter is the location directly above the focus where surface waves originate.
$200$200Name one unique feature of surface waves. Name one unique feature of surface waves.
Name one unique feature of P waves. Name one unique feature of P waves.
Name one unique feature of S waves. Name one unique feature of S waves.
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Seismic Waves
1) Surface waves are the most destructive. They also are received last.
2) P waves travel faster than S waves and can travel through solid and liquid.
3) S waves cannot travel through a liquid.
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Jeopardy Menu
Seismic Waves
A scientist discovered that P waves travel at speeds of A scientist discovered that P waves travel at speeds of 2 km/s, 4 km/s, 8 km/s, 12 km/s, and 15 km/s from 2 km/s, 4 km/s, 8 km/s, 12 km/s, and 15 km/s from the surface of a planet to the center. S waves could the surface of a planet to the center. S waves could not penetrate past the position where P waves not penetrate past the position where P waves changed from 8 km/s to 12 km/s. What conclusions changed from 8 km/s to 12 km/s. What conclusions can this scientist make? can this scientist make?
1) There are 5 layers.
2) The 4th layer is liquid.
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What are the next three phases of the moon What are the next three phases of the moon after third quarter?after third quarter?
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Past Review
Waning crescent, new moon, waxing crescent
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Jeopardy Menu
Past Review
Do solar eclipses occur during every new Do solar eclipses occur during every new moon? Why or why not? moon? Why or why not?
No. The moon has a tilted angle, so it No. The moon has a tilted angle, so it passes either above or below the line of passes either above or below the line of the Earth mostly.the Earth mostly.
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Jeopardy Menu
Gumbo
What is causing Oahu to shrink?What is causing Oahu to shrink?
Erosional effects.
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Who invented the first seismograph?Who invented the first seismograph?
Jeopardy Menu
Gumbo
Zheng Heng
$300$300Name the three Name the three scientistsscientists (full names) we (full names) we
learned about in this unit and their learned about in this unit and their home home countries. countries.
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Gumbo
Alfred Wegener – Germany
Harry Hess – U.S.
John Tuzo Wilson - Canada
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On which dates On which dates would neap would neap tides occur?tides occur?
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Gumbo
4th and 20th.
(Will accept 21st.)