Earth's Structure

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Across
  1. 2. Number of physical layers of Earth.
  2. 4. Location in a convergent boundary where oceanic crust is pushed beneath the continental crust.
  3. 5. Tectonic plate boundary where tectonic plates collide into each other.
  4. 6. Earth's crust makes up less than _____________ percent of the Earth by mass.
  5. 9. Number of chemical layers of Earth.
  6. 10. _____________ crust is denser than continental crust.
  7. 12. Tectonic plate boundary where tectonic plates slide past each other.
  8. 15. Layer of Earth below the tectonic plate lithosphere.
Down
  1. 1. Continental crust is about 25 _____________ thick.
  2. 3. Large pieces of Earth's lithosphere.
  3. 7. The deepest hole ever dug went about half way through this layer of Earth.
  4. 8. Type of stress where an object is squeezed together.
  5. 11. A break in a rock layer.
  6. 13. Tectonic plate boundary where tectonic plates are pulled away from each other.
  7. 14. Type of stress where an object is stretched.