Chemical Change Crossword

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Across
  1. 5. change color change, smell, heat
  2. 6. part of something
  3. 7. change doesn't change the chemical properties
  4. 9. neutral charge
Down
  1. 1. how far it stretches under stress
  2. 2. the smallest thing
  3. 3. the thickness
  4. 4. negative charge
  5. 7. substance all of the elements of the periodic table
  6. 8. positive charge