Physical and Chemical Change

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Across
  1. 3. original substances participating in a chemical reaction
  2. 6. reaction- reactions in which heat is absorbed
  3. 7. the process of depositing of layer of zinc on iron
Down
  1. 1. change- when no new substance is formed
  2. 2. reaction- reactions during which heat is released
  3. 4. a solid in which atoms are arranged in a regular pattern
  4. 5. change- when new substance is formed