Science Crossword

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Across
  1. 1. The water part of Earth (oceans, lakes, rivers)
  2. 4. A plate boundary where plates slide past each other
  3. 6. The breaking down of rocks into smaller pieces
  4. 9. The thick middle layer of Earth
  5. 10. The part of Earth that includes all living things
  6. 11. A mountain that erupts lava
  7. 13. The outermost layer of Earth where we live
  8. 14. The rigid outer layer made of crust + upper mantle
Down
  1. 2. A sudden shaking of the ground
  2. 3. A plate boundary where plates push together
  3. 5. A plate boundary where plates move apart
  4. 7. The layer of gases surrounding Earth
  5. 8. The very center of Earth (hottest part)
  6. 12. The wearing away of land by wind or water