Combustion

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Across
  1. 3. when something reacts with another to make something burst apart
  2. 4. a object that helps matches make fire
  3. 7. creates heat and is the fastest thing in the universe
  4. 9. the verb of a fire heating something
  5. 11. The resistance something makes while rubbing another
  6. 12. a word that means an object needing another
  7. 14. what is everything made out of
  8. 15. What do plants use
Down
  1. 1. a chemical change
  2. 2. what emits heat and burns things
  3. 5. what do humans need
  4. 6. an object that makes fire when rubbed against a thing
  5. 8. what do you drink
  6. 10. things reacting to something to creates heat
  7. 11. what keeps a fire burning
  8. 13. the thing that we need or else we'll freeze