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Questions and Answers
Which of the following best describes tectonic plates?
Which of the following best describes tectonic plates?
- Giant blocks of solid rock that make up the Earth's surface (correct)
- Giant blocks of sand and sediment that shape coastlines
- Giant blocks of molten lava that form volcanic islands
- Giant blocks of solid ice that float in the oceans
What is the size range of tectonic plates?
What is the size range of tectonic plates?
- They vary greatly and can be any size
- A few meters to a few kilometers wide
- Hundreds to thousands of kilometers wide (correct)
- Millions of kilometers wide
What did Alfred Lothar Wegener contribute to the understanding of tectonic plates?
What did Alfred Lothar Wegener contribute to the understanding of tectonic plates?
- He developed the theory of continental drift (correct)
- He named the tectonic plates
- He measured the size of tectonic plates
- He discovered the first tectonic plate
What is the evidence for continental drift mentioned in the text?
What is the evidence for continental drift mentioned in the text?
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What is the main idea of the text?
What is the main idea of the text?
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Which continents were once connected by a mountain range over 400 million years ago?
Which continents were once connected by a mountain range over 400 million years ago?
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What evidence supports the idea that South America and Africa were once connected?
What evidence supports the idea that South America and Africa were once connected?
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Which continents have glacial deposits from 300 million years ago?
Which continents have glacial deposits from 300 million years ago?
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What does the presence of ancient plant and animal fossils on different continents indicate?
What does the presence of ancient plant and animal fossils on different continents indicate?
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Which two continents were once connected by a mountain range according to the text?
Which two continents were once connected by a mountain range according to the text?
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