Science

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Across
  1. 1. reaction - when a change in chemical matter occurs
  2. 6. equation - there are the same number of atoms on each side
  3. 7. - smallest particle of matter
  4. 10. - before a chemical reaction
Down
  1. 2. - something that takes up space
  2. 3. Lavoisier - scientist who discovered the law of conservation
  3. 4. - substance that cannot be broken down
  4. 5. equation - unequal amounts of atoms on each side of an equation
  5. 8. - after a chemical reaction
  6. 9. of conservation - mass cannot be destroyed nor created