earth science vocabulary

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Across
  1. 4. layers of earth that make up tectonic plates
  2. 7. currents of heating and cooling magma that move plates around
  3. 8. a plate boundary where two plates scrape past each other
  4. 10. solid metal layer of earth
  5. 11. movement of sediment from one place to another
  6. 12. a tectonic event where one plate slips underneath another plate
Down
  1. 1. mechanical or chemical wearing down of the earth's crust
  2. 2. a plate boundary where two plates move apart
  3. 3. super hot layer of earth that causes plate movement
  4. 5. liquid metal layer of earth
  5. 6. thin, hard layer of earth
  6. 7. a plate boundary where two plates run into each other
  7. 9. semi-liquid, hot rock layer of earth
  8. 13. a tectonic event where two plates push each other upward on the crust
  9. 14. sediment being left behind in a new location, often in layers