Continental Drift and Plate tectonics

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What is the Theory of Continental Drift?

• New continents are continually being created

  and destroyed.

• The position of the continents is the same today

  as it has always been

• The continents have always been separate but

  may one day drift together to form a single

  continent

• All the continents were one continent that

  broke up and drifted apart over hundreds of

  millions of years

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NGSS.MS-ESS2-3

What is responsible for most of Earth's volcanoes and mountain ranges?

• Weathering

• Ocean tides

• Solar eclipses

• Plate Tectonics

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NGSS.MS-ESS2-2

What do these color strips show in support of the Theory of Continental Drift?

• Similar cultures

• Similar fossils

• Similar languages

• Similar weather

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NGSS.MS-LS4-1

Alfred Wegener proposed the Theory of Continental Drift. Which one of these was NOT used to support the theory Wegener proposed?

• Fossils that were similar were found on different continents.

• Bacteria were found all over the world.

• Shape of continents fit together to form a supercontinent called Pangea

• Evidence of glaciers is seen all over the world.

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NGSS.MS-LS4-1

The Theory of Continental Drift states that all the continents were once part of one big landmass called Pangaea. Who was the scientist that came up with this theory?

• Harry Hess

• Bill Nye

• Alfred Wegener

• Albert Einstein

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Why was Alfred Wegener's theory not widely accepted at first?

• Wegener couldn't explain how the continents drifted.

• Wegener couldn't explain why similar fossils on different continents were separated

• Wegener spoke German, which most scientists couldn't understand.

• Wegener was well- known as a writer of fiction.

Tectonic plates "floa"t on top of the

• crust

• asthenosphere

• lower mantle

• outer core

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NGSS.MS-ESS2-3

Which two continents did Wegener notice fit together like pieces of a puzzle?

• Africa and North America

• South America and Africa

• South America and Europe

• Asia and South America

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What was the name of the super continent that existed 250 million years ago?

• Pangaea

• Eurasia

• Wegenerland

• Disneyland

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NGSS.MS-ESS2-3