23-24 Earth Science Test Review - OL

What does the theory of continental drift state?

• The continents were once a single super-continent and have slowly drifted apart over time.

• The continents have always been in their current locations and do not ever move or drift.

• The continents were once covered by large continent-sized snow drifts, but they have slowly melted over time.

• If you study the continents for too long you will drift off to sleep.

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Alfred Wegener thought these two continents looked like puzzle pieces that could fit together.

• Africa

• South America

• North America

• Eurasia

• Antarctica

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Who developed the theory of continental drift in 1910?

• Harry Hess

• Dmitri Mendeleev

• Alfred Wegener

• Isaac Newton

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What evidence did Wegener use to prove continental drift? (Select ALL that are correct)

• Matching plant and animal fossils on separate continents

• Matching human remains on separate continents

• Matching mountain ranges and coal deposits on separate continents

• Matching lakes and rivers on separate contients

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According to this map, which fossils have been found in BOTH South America and Africa? (Select ALL that apply)

• Cynognathus

• Lystrosaurus

• Messosaurus

• Glossopteris

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How did the evidence of coal being found in Antarctica support Wegeners claims about Pangaea and Continental Drift?

• Coal forms from tropical plants that only grow in warm areas, so Antarctica must have once been warmer.

• Coal forms from ice and snow that that only forms in cold areas, so Antarctica must have always been cold.

• Coal forms from tropical plants that only grow in warm areas, so Antarctica must have always been cold.

• Coal forms from ice and snow that that only forms in cold areas, so Antarctica must have once been warmer.

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Why did other scientists did not believe in Wegener’s theory?

• He could not explain how the continents moved

• He didn’t have evidence

• His data was wrong

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

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Wegener used evidence that the fossils of the same types of plants and animals were found on continents separated by oceans to support his claim about continental drift.

He reasoned that Plants & animals must have been able to:

• swim across large oceans between the continents.

• fly across large oceans between the continents.

• move between the continents because they were joined.

• move between the continents across a large bridge.

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What is Pangaea?

• the name of a German scientist
• the name of the super-continent that existed millions of years ago
• another name for continental drift
• the name of an ancient fossil

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What types of evidence did Wegener use to support the theory of Continental Drift? (Select ALL answer that are correct)

• evidence from land features

• evidence from animal fossils

• evidence from ancient climates

• evidence from plant fossils

• evidence from human remains

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