Chemistry

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Across
  1. 3. Anything that takes up space
  2. 4. something that provides information
  3. 5. When something changes chemically
  4. 7. Of the same kind
  5. 9. The brain of the cell
Down
  1. 1. When something changes physically
  2. 2. When water is heated up and rises to become water vapor.
  3. 3. When 2 elements are combined together
  4. 6. A thing that is combind of 2 or more substances
  5. 8. The majority of, not the weight but the ______