Chemistry (2)

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Across
  1. 3. energy that is stored
  2. 5. from 0-6 and very sour
  3. 9. reaction that releases heat
  4. 11. change that you can not reverse
  5. 12. energy that is moving
Down
  1. 1. combined substance that completely dissolve
  2. 2. from 8-14 and very bitter
  3. 4. reaction that absorbs heat
  4. 6. from 0-14, includes acids and bases
  5. 7. combined substances that are not completely dissolved
  6. 8. an abbreviation using letters and numbers
  7. 10. change that does not change the chemical composition