Drifting Continents

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

What is Pangaea?

• the name of a German scientist

• the name of a supercontinent that existed millions years ago

• another name for continental drift

• the name of an ancient fossil

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Which type of evidence was NOT used by Alfred Wegener to support his continental drift hypothesis?

• evidence from landforms

• evidence from fossils

• evidence from human remains

• evidence from climate

Most geologists rejected Alfred Wegener's idea of continental drift because

• they were afraid of a new idea

• Wegener was interested in what Earth was like millions of years ago

• Wegener used several different types of evidence to support his hypothesis

• Wegener could not identify a force that could move the continents

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A trace of an ancient organism that has been preserved in rock is called a

• landform

• continent

• fossil

• landmass

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Fossils of tropical plants found in Spitsbergen show that it was once closer to the

• north pole

• equator

• moon

• prime meridian

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Pangaea is the __________ that Wegener suggested occurred on Earth about 300 million years ago.

• supercontinent

• country

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Wegener inferred that the ancient ______________ Mesosaurus and Lystrosaurus once lived on a single landmass that has since split apart.

• plant

• reptiles

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Wegener used evidence from land features, fossils, and ________________ to support his theory of continental drift.

• human remains

• climate

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Most geologists of Wegener's time ___________ his idea of drifting continents.

• rejected

• supported