Reversible and Irreversible Changes

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Across
  1. 1. matter that keeps its shape
  2. 4. to group objects by properties
  3. 6. a change that can be undone
  4. 8. to lower the temperature
  5. 9. matter that fills space
Down
  1. 2. a change that can not be undone
  2. 3. anything that has weight and takes up space
  3. 5. to raise the temperature
  4. 7. matter that takes the shape of its container