Physical and Chemical Change

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