3.3.1 - The Crust
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Practice Questions
Test your understanding with targeted questions
What is the average thickness of the oceanic crust?
💡 Hint: Think about where the ocean meets the land.
Name one direct source of information about the Earth's interior.
💡 Hint: Consider what we can access at the Earth's surface.
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Interactive Quizzes
Quick quizzes to reinforce your learning
Which of the following is a direct source of information about the Earth's interior?
💡 Hint: Think about what we can see happening on the surface.
True or False: S-waves can travel through liquids.
💡 Hint: Recall what S stands for.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Using the information about seismic waves, explain how scientists infer the state of matter in the Earth's outer core.
💡 Hint: Consider what happens to P and S-waves in different materials.
If a volcanic eruption occurs, describe how this provides direct evidence for understanding the Earth's interior.
💡 Hint: Think about where the magma comes from and what it signifies.
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