Earth's Structure

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Across
  1. 2. When one piece of rock slides underneath another.
  2. 4. The thickest layer of Earth.
  3. 6. Type of rock formed when lava or magma cools
  4. 7. Currents caused by molten rock heating up and rising to the top, then cooling and sinking to the bottom.
  5. 9. A layer of the Earth made of plastic material, soft enough to flow.
  6. 12. The thickest crust.
  7. 13. The phase of matter found in the inner core.
  8. 14. Earth's system that encompasses the landscapes
  9. 16. Powerful vibrations caused by two plates rubbing together
  10. 17. Earth's system where water is found.
  11. 18. The denser crust.
Down
  1. 1. The name of the plates responsible for continental drift.
  2. 3. A metal element found in the core of Earth.
  3. 5. Where the tectonic plates can be found.
  4. 6. The core found in the center of the Earth.
  5. 8. Waves that can only travel through solids
  6. 10. Type of rock formed when extreme heat and pressure is applied
  7. 11. Type of rock formed when smaller pieces of rock gather together and cement.
  8. 15. As the you go deeper into the Earth, this increases.