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The Tectonic Plates Quiz

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Questions and Answers

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?

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?

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?

The alignment of coastlines Signup and view all the answers

What is the main idea of the text?

The theory of continental drift explains the movement of tectonic plates Signup and view all the answers

Which continents were once connected by a mountain range over 400 million years ago?

Africa and South America Signup and view all the answers

What evidence supports the idea that South America and Africa were once connected?

Geological fit Signup and view all the answers

Which continents have glacial deposits from 300 million years ago?

Antarctica, South America, and Africa Signup and view all the answers

What does the presence of ancient plant and animal fossils on different continents indicate?

Continental drift Signup and view all the answers

Which two continents were once connected by a mountain range according to the text?

North America and Greenland Signup and view all the answers