Chemical Changes

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Across
  1. 2. Relating to *how* the substance is
  2. 6. To set on fire or be on fire
  3. 7. When a reaction takes heat from the environment
  4. 9. The substances that react with each other
  5. 10. When one thing takes the place of another thing
  6. 11. Relating to *what* the substance is
Down
  1. 1. When something falls apart
  2. 3. When something remains the same
  3. 4. The solids that result from the reactions of liquids
  4. 5. The output or result of a reaction
  5. 7. When a reaction gives heat to the environment
  6. 8. When two things become one thing