Physical and Chemical Changes

12345678910111213141516171819
Across
  1. 3. : Example of a chemical change when metal reacts with oxygen
  2. 4. : Matter is not created or destroyed, only changes form
  3. 5. : A change that can be undone
  4. 7. : A characteristic that describes how a substance reacts
  5. 9. : A change that creates one or more new substances with different properties
  6. 10. : Example of a chemical change that gives off light and heat
  7. 12. : A change in this can indicate a chemical reaction
  8. 13. : Energy given off during a chemical change
  9. 15. : Mixing a solid in a liquid without forming a new substance
  10. 16. : Change in this can show a chemical reaction has occurred
  11. 18. : A new smell appearing is a sign of a chemical change
  12. 19. : Bubbles or fizzing show this has been produced in a chemical change
Down
  1. 1. : A change that cannot be undone
  2. 2. : Anything that has mass and takes up space
  3. 6. : Example of a physical change when ice becomes water
  4. 8. : A change in the size, shape, or state of matter — no new substance is formed
  5. 11. : A physical change when liquid water becomes gas
  6. 14. : This can be produced during some chemical reactions
  7. 17. : A characteristic that can be observed without changing the substance