SCIENCE

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Across
  1. 3. a substance that inhibits oxidation
  2. 5. similar to burning
  3. 6. something done, felt
  4. 8. similar to combustion
  5. 10. an article or substance that is manufactured
Down
  1. 1. a process in which chemical substance changes because of the addition of oxygen
  2. 2. Action of using a resource
  3. 4. point or direct
  4. 7. proposed explanation
  5. 9. a reddish or yellowish-brown flaking coating of iron oxide