Lesson 2 Development of a Theory Questions

What did Alfred Wegener propose about the continents?

• They have always been in the same place.

• They are fixed and do not move.

• They were once part of a supercontinent called Pangaea.

• They are moving towards each other.

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Which continents did Wegener note seemed to fit together like puzzle pieces?

• Asia and Europe

• Africa and South America

• North America and Australia

• Antarctica and Asia

What does the word "drift" mean in scientific vocabulary?

• To quickly and suddenly move

• To slowly and gradually move

• To remain stationary

• To move in a circular motion

What is a continental shelf?

• A mountain range on a continent

• Areas of continent that are under shallow water

• The highest point of a continent

• A desert region on a continent

What did other scientists think about Wegener's hypothesis?

• They fully agreed with it.

• They were doubtful of it.

• They ignored it completely.

• They thought it was irrelevant.

What evidence did Wegener use to support the idea of continental drift?

• Fossilized dinosaur bones

• Rock formations and mountain ranges

• Ancient human artifacts

• Ocean currents

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What are the two mountain chains in Europe and North America that provide evidence for continental drift?

• The Himalayas and the Andes

• The Rockies and the Alps

• The Caledonian and the Appalachian Mountains

• The Ural and the Sierra Nevada

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What did the presence of coal beds in Antarctica suggest about its past climate?

• It was always cold and icy

• It was warmer and wetter

• It was dry and arid

• It was similar to today's climate

What is the definition of "chemistry" in the context of scientific vocabulary?

• The study of living organisms

• The structure of substances and the way they combine or change

• The study of celestial bodies

• The study of weather patterns

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What does the term "compose" mean in academic vocabulary?

• To destroy or break down

• To form or make up

• To analyze or study

• To separate or divide

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