Indirect observation
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What the temperature inside the Earth happens to be




Questions for thought
  1. Why do you think it's hot inside the Earth?

  2. Is the inside of the Earth molten below the moving surface plates?

  3. At what deptrh is the interior of the Earth totally molten?

  4. From what depth does the magma below a midocean ridge originate?

  5. At what temperature does granite melt at the Earth's surface?

  6. At what temperature does titanium melt at the Earth's surface?

  7. At what temperature does bronze melt at the Earth's surface?