$200 $100 $300 $100 $200 $300 $400 $100 $200 $300 $400 Earth’s Interior Theory of CD and SS Theory of Plate Tectonics Seismic waves Gumbo PLATE TECTONICS.

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Earth’s Interior

Theory of CD and

SS

Theory of Plate

Tectonics

Seismic waves

Gumbo

PLATE TECTONICS JEOPARDY!

$100$100

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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.

$200$200

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. .

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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?

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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?

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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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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.

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Theory of Plate

Tectonics

A Transform boundary.

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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?

$300$300

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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.

$400$400

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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.

$300$300

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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

$500$500

DAILY DAILY DOUBLE!DOUBLE!

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Past Review

$500$500

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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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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?

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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.)

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Where are the worldWhere are the world’’s largest tidal ranges located?s largest tidal ranges located?

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Gumbo

Bay of Fundy, Nova Scotia