Science Vocab WORD PUZZLE!

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Across
  1. 3. a statement/law of science
  2. 4. could be formed in a chemical reaction
  3. 6. a representation with reactants and products
  4. 7. a final result
Down
  1. 1. something that occurs (no longer the same)
  2. 2. factors of a change
  3. 5. could be physical or chemical