Physical and Chemical changes

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Across
  1. 5. connect atoms
  2. 6. after math of a fire
  3. 7. hydrogen peroxide in a sink
  4. 8. kaboom
  5. 9. two liquids make a solid
Down
  1. 1. the study of chemicals
  2. 2. fast chemical reaction
  3. 3. example of a chemical reaction
  4. 4. state of matter