Science (General)

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Across
  1. 3. A large sea wave caused by an underwater earthquake or volcanic eruption. (Earth Science)
  2. 4. Speed in a given direction. (Physics)
  3. 7. Electric potential difference. (Physics)
  4. 10. Protective layer in the stratosphere (O₃). (Earth Science)
  5. 11. The part of Earth where life exists. (Earth Science/Biology)
  6. 12. Molten rock found beneath the Earth's surface. (Earth Science)
  7. 14. The outermost solid layer of the Earth. (Earth Science)
  8. 15. Process of a gas turning into a liquid. (Weather/Chemistry)
  9. 17. Layer of gases surrounding the Earth. (Earth Science)
  10. 19. A biological catalyst. (Biology)
  11. 21. Long-term average weather pattern. (Earth Science)
  12. 23. Amount of water vapour in the air. (Weather)
  13. 25. Mass per unit volume. (Physics/Chemistry)
  14. 27. Breaking down food into smaller substances. (Biology)
  15. 28. Substance that speeds up a reaction without being consumed. (Chemistry)
  16. 29. A complete path for electricity. (Physics)
Down
  1. 1. Process used by plants to make food. (Biology)
  2. 2. Relating to earthquakes or other vibrations of the Earth. (Earth Science)
  3. 5. Astronomical event where one object obscures another. (Planet/Space)
  4. 6. Large molecule made of many repeating sub-units. (Chemistry)
  5. 8. Loss of electrons in a chemical reaction. (Chemistry)
  6. 9. Bending of light as it passes through different media. (Physics)
  7. 13. Cell division for growth and repair. (Biology)
  8. 14. Heat transfer in fluids by mass motion. (Physics/Weather)
  9. 16. Substance that accepts hydrogen ions. (Chemistry)
  10. 18. Any form of water falling from clouds (rain, snow, etc.). (Weather)
  11. 20. Force that opposes motion. (Physics)
  12. 22. One of two or more forms of a gene. (Biology)
  13. 24. Substance that releases hydrogen ions. (Chemistry)
  14. 26. Short-term state of the atmosphere. (Earth Science)