Continental Drift

Who is the person credited with developing the theory of continental drift?

• Harry Hess
• Galileo
• Alfred Wegener
• Newton

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NGSS.HS-ESS1-5

This is a picture of glacier scars found in Africa.  What are these evidence for?

• Africa has always been near the equator
• Africa was once in an area of the Earth that had a very cold climate
• The continents have not moved
• sea floor spreading

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NGSS.HS-ESS1-5

What does the theory of continental drift state?

• The continents were once joined in a super-continent and have moved over time
• Continents are stationary and do not move
• The Earth is broken into lithospheric plates that move due to convection currents
• none of the above

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NGSS.HS-ESS1-5

NGSS.HS-ESS2-1

Why did no one believe Wegener's ideas about continental drift? (Choose 2)

• He could not successfully explain HOW the continents moved

• He didn't have evidence that supported his ideas that the continents had once been connected

• They were biased against his ideas because he was German and a meteorologist

• He didn't use the right technology to gather data

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NGSS.HS-ESS1-5

What type of evidence was used by Alfred Wegener to support his continental drift hypothesis? (Select 3)

• evidence from landforms / geology

• evidence from fossils

• evidence from human remains

• evidence from climate

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NGSS.HS-ESS1-5

What is this a picture of?

• plate tectonics
• continental drift
• pangea
• glacier scaring

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NGSS.HS-ESS1-5

NGSS.HS-ESS2-1

According to Wegener's hypothesis of continental drift,

• Earth's surface is made up of seven major landmasses

• the continents DO NOT move

• Earth is slowly cooling and shrinking

• the continents were once joined together in a single landmass, and these plates will continue to move.

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NGSS.HS-ESS1-5

NGSS.HS-ESS2-1

What items were found in Antarctica that lead us to believe the climate was once much warmer? (Select 3)

• Plant fossils of tropical ferns

• Animal fossils of reptiles that live in warm conditions

• Coal deposits that formed in tropical swamps

• Mammoth fossils preserved in ice

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NGSS.MS-LS4-1

The Appalachian Mountains in the U.S. match up with a similar mountain ranges in northern Europe. How does this support Wegener's theory of Continental Drift?

• The mountains were formed after tectonic plates had moved away from each other

• The similarities provide evidence North America & Europe were connected when the mountains formed.

• Similar rock samples were found on the ocean floor and at the two mountain ranges indicating that they both formed around the same time.

• This evidence does not support the theory of continental drift.

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NGSS.HS-ESS1-5

Alfred Wegener used all of the following for evidence of his idea EXCEPT...

• The shapes of the continents fitting together like a puzzle

• Similar fossils on different continents

• Comparable modern weather patterns on different continents

• Similar rock formations on different continents

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NGSS.HS-ESS1-5