MadSci FAQ: Earth Questions

Basic Earth Facts: Interior of the earth:
  • Grade 10-12 Question: How do we know what the inside of the earth is like? Answer
  • Nonaligned Question: What are the volume and mass percentages of the layers of the earth? Answer
  • Grade 4-6 Question: How hot is the center of the earth, and how do you know? Answer
  • K12 Teacher Question: How was it discovered that the inner core of the earth is solid? Answer
  • Mr. Hill's 5th grade class Question: Why is the inner core of the Earth solid, even though it is hotter than the liquid outer core? Answer
Surface features of the earth:

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