Methane Bubbles

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Across
  1. 2. A substance that burns is called a? (4)
  2. 3. Special type of fire extinguisher to use on oil fires (4)
  3. 5. gas used in fire extinguishers for electrical fires (6,6)
  4. 6. You should never use this to put out an oil fire(5)
  5. 7. Gas needed for a combustion reaction to occur (6)
Down
  1. 1. Reaction involving oxygen that produces flames (10)
  2. 3. If you see a fire dial 999 and ask for? (4,6)
  3. 4. The three things needed for a fire make up the fire? (6)
  4. 5. Most common cause of kitchen fires (4,4)