Physical and Chemical Change

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Across
  1. 1. A solid formed during a chemical change
  2. 3. A simple chemical equation where chemicals are represented by their names
  3. 5. A chemcial reaction that converts oxygen and glucose into water and carbon dioxide while releasing energy.
  4. 7. A change of state where a gas is cooled and forms a liquid
  5. 8. The change of state when a solid is heated and forms a liquid
  6. 9. A change that results in a new substance being formed
  7. 11. The substances formed in chemical reactions
  8. 13. A decrease in size
  9. 16. Evaporation of solvent from a solution to leave solute behind as crystals
  10. 18. Any chemical reaction where a substance burns in oxygen to produce light and heat
  11. 19. A gradual erosion of rocks and buildings that occurs when limestone and marble react chemically with the carbonic acid in rainwater
  12. 20. A change of state where a liquid is heated and changes to a gas within the liquid
  13. 21. The starting substances in chemical reactions
Down
  1. 2. The chemical reaction in plants that converts carbon dioxide and water into oxygen and glucose using energy from the sun
  2. 4. An increase in size
  3. 6. A change of state from solid to gas
  4. 10. The process of rearranging atoms in substances to form different substances
  5. 12. A change that does not result in a new substance being produced
  6. 14. A change of state from gas to solid
  7. 15. A change of state where a liquid changes to a gas at the surface of the liquid
  8. 17. The change of state from liquid to solid