Fire crossword

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Across
  1. 3. What type of energy is fire?
  2. 4. Solids and liquids break down into fuel _____ when they are heated.
  3. 5. An open door or window provides _________ to a fire.
  4. 7. Pyrolysis is a process when heat breaks down _____ into fuel gases.
Down
  1. 1. Intentionally lit fires for forest management, land restoration, backburning, are called _________ fires.
  2. 2. A vital component of fire – found in the fire triangle
  3. 6. A Plastic Sphere Dispenser (PSD) is commonly installed in the passenger compartment of a _________.