Physical and Chemical Changes

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Across
  1. 3. What property of matter affects physical and chemical changes?
  2. 5. When someone is ____ an egg this is a chemical change.
  3. 7. A ____ change makes a substance change at a molecular level.
  4. 8. Iron ___ is a chemical change.
  5. 9. Putting food in a refrigerator ____ it so the chemical change of spoiling slows down.
  6. 11. When a physical change happens you still have the same ____.
  7. 12. Cookies that are ____ in an oven are going through a chemical change.
  8. 13. In a ______ change a substance changes size, shape, or form (state of matter).
Down
  1. 1. When a substance goes through a physical change it keeps its _____?
  2. 2. All physical changes are ____.
  3. 4. Eating food gives us energy that wasn't there before so ____ food is a chemical change.
  4. 5. Both physical and chemical changes make a substance ____.
  5. 6. Temperatures that are ____ will make a chemical change happen faster.
  6. 7. _____ paper is a physical change because the paper changed size.
  7. 10. If two substances combine and ____ form, that means a new substance that is a gas formed in a liquid.
  8. 12. Paper ____ is a chemical change because the new substance of ashes is made.