CROSSWORD 1

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Across
  1. 3. - The conversion of a substance into vapor
  2. 4. Visible, hot part of a fire
  3. 7. A fine spray or light fog
  4. 8. - A vital element for combustion and respiration
  5. 9. - The process of a liquid turning into a vapor
  6. 10. The process of burning
  7. 12. What remains after something burns
  8. 14. A tiny flash of light or heat, often starting a fire
  9. 15. What we breathe and is necessary for combustion
  10. 17. What allows us to see and comes from sources like the sun or bulbs
  11. 20. What rises from fire, often causing irritation
Down
  1. 1. - The process by which plants make food from sunlight
  2. 2. - The movement of heat through fluids (like air or water)
  3. 5. A small, glowing piece of coal or wood in a dying fire
  4. 6. Water vapor formed when heated
  5. 11. Absence of light
  6. 13. - Emission of energy in the form of waves or particles
  7. 16. A soft, steady light
  8. 18. A state of matter, like oxygen or carbon dioxide
  9. 19. What you feel from a fire or the sun