Chemical & Physical Changes

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Across
  1. 3. when substances mix to form a completely new substance with different properties
  2. 4. process when iron metal, oxygen, and water react together creating a new substance, iron oxide
  3. 5. something you can observe with your senses without changing the substance's identity
  4. 6. process where something breaks down and creates new substances different from the original
  5. 7. a substance that dissolves another substance to create a solution
  6. 10. creating a new substance or the appearance of a new substance
  7. 11. process where food is broken down using so the body can use the nutrients
  8. 12. a process where heat makes new substances
  9. 13. to undo or go backward
Down
  1. 1. process where a new substance is made from the original material, releasing heat and light
  2. 2. description of how something has the ability to change into a new substance
  3. 5. when something looks or acts different but is still the same substance(s)
  4. 7. a substance that gets dissolved in another substance to create a solution
  5. 8. type of mixture where one substance dissolves completely into another substance
  6. 9. physical combination of substances where each keeps its own properties & is not chemically bonded