Assignment 9: Continental Drift

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What do you think about Wegener’s theory? Where do you think he got his theory from?

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NGSS.MS-ESS2-3

Name the person who first proposed the theory of Continental Drift.

• Alfred Wegener

• James Hutton

• Charles Darwin

• Mary Anning

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NGSS.MS-ESS2-3

Wegener said that in the past, all the Earth's continents were joined together in a single landmass. State what he called that giant landmass.

What observation did Wegener make that kicked off the development of Wegener's Continental Drift theory?

• Fossils of the same species occur on separate continents

• Marks left by glaciers are now found in tropical regions

• Coal formed in tropical regions now occurs in cold regions

• Coastlines of the continents appear to fit together.

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NGSS.MS-ESS2-3

Identical rocks make up mountain ranges in North America and Europe, which are now separated by the Atlantic Ocean. Recall how Wegener explained this observation:

• He never attempted to explain this observation.

• He said that these continents were once joined together.

• He said the rocks had been moved by humans.

• He said the rocks had been spread out by the wind.

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NGSS.MS-ESS2-3

Continental drift was a truly radical theory. It seemed crazy at first, but it has helped to greatly expand our knowledge of the Earth itself.

In your own words, outline what this theory says.

To outline means to sketch in general terms, and indicate the main features.

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NGSS.MS-ESS2-3

NGSS.MS-ESS2-2

While doing his research, Alfred Wegener used four key pieces of evidence to support the theory of continental drift.

In the space below, list each piece of evidence.

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NGSS.MS-ESS2-3

Name some of the organisms whose fossils were studied by Alfred Wegener as part of his research. (You can pick more than one)

• Fabrosaurus

• Eusthenopteron

• Basilosaurus

• Lystrosaurus

• Mesosaurus

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NGSS.MS-ESS2-3

NGSS.MS-LS4-1

NGSS.MS-LS4-2

State what a fossil is.

• A giant mass of ice that grinds slowly downhill

• A trace of a prehistoric organism preserved in rock

• Any piece of evidence that supports continental drift

• A person who studies earth and its history

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NGSS.MS-LS4-1