Mass Crossword

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Across
  1. 2. substances present before chemical reaction
  2. 4. anything that has mass and takes up space
  3. 8. mass is never created or destroyed
  4. 9. size,shape,or form of substances change
Down
  1. 1. matter changes identity rather than form
  2. 3. a chemical ____ is a link between atoms in a substance that determine its new identity
  3. 5. proves a chemical reaction has taken place
  4. 6. substances produced after chemical reaction
  5. 7. a chemical reaction is ____ if no mass was destroyed or created during process
  6. 10. basic unit of chemical element