Fire Fun

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Across
  1. 2. colourless and ordourless reactive gas
  2. 5. going or tending upward on a hill
  3. 6. remains after a fire
  4. 9. burnt to produces heat or power
  5. 10. to start burning
Down
  1. 1. the process of burning something
  2. 3. dangerous and could die
  3. 4. burning gas or vapour
  4. 7. a high temperature
  5. 8. destroyed by fire