Science Project

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Across
  1. 3. forms where Earth's tectonic plates move apart
  2. 6. Two plates are pushing into each other.
  3. 8. The component of the Earth's surface comprising the rock
  4. 9. The fourth layer inside the Earth
  5. 10. made of solid rocks and minerals.
  6. 12. a supercontinent that incorporated almost all the landmasses on Earth.
  7. 14. pieces of Earth's crust and uppermost mantle,
  8. 15. The region below the lithosphere
Down
  1. 1. Places where plates slide sideways past each other.
  2. 2. plate tectonics of the edge of one crustal plate descending below the edge of another.
  3. 4. One of the earliest ways geologists thought continents moved over time.
  4. 5. mostly composed of liquid iron and nickel.
  5. 7. When two tectonic plates move away from each other.
  6. 11. The layer of the Earth between the crust and the core.
  7. 13. degree of consistency measured by the quantity of mass per unit volume.