Continental Drift - Alfred Wegener

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Who is credited with developing the theory of continental drift?

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Alfred Wegener

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What is this a picture of?

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Pangaea

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What does the theory of continental drift state?

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The continents were once joined in a super-continent and have moved over time.

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

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Africa was once in an area of the Earth that had a very cold climate.

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What evidence did Wegener use in his theory? Options: Continents and fossils fitting together/matching-up like puzzle pieces, glacier scars and evidence from temperature, mountain ranges and coal deposits line up across continents, all of the above

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all of the above

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Why did no one believe Wegener's theory?

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He could not explain the force that moved the continents

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What two specific continents fit together most noticeably? Options: Africa and North America, South America and Europe, South America and Africa, Antarctica and Africa

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South America and Africa

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According to Wegener's hypothesis of continental drift, what is true? Options: 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

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the continents were once joined together in a single landmass

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Which of the following is the best evidence that Earth's continents were once in vastly different positions than they are today? Penguins only found in southern hemisphere, Fossils of tropical plants found in Antartica, Volcanoes encircling Pacific Ocean, Major rivers from deltas from continental erosion

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Fossils of tropical plants found in Antartica

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What can scientists learn from a fossil of a woolly mammoth found on the deep ocean bottom?

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that the land was above water and the water level rose over time and covered the land