Chemistry

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Across
  1. 1. a measure of the mass per unit of volume of a substance
  2. 6. a solid formed during a chemical change
  3. 8. the starting substances in chemical reactions
  4. 9. a change that results in a new substance being formed
  5. 13. a change of state from gas to solid
  6. 14. the change of state when a solid is heated and forms a liquid
  7. 18. the change of state where a liquid changes to a gas at the surface of the liquid
  8. 20. a change of state from solid to gas
  9. 21. a decrease in size
  10. 22. an increase in size
Down
  1. 2. describes a process that absorbs energy from the surroundings
  2. 3. able to be hammered or bent into new shapes
  3. 4. measures how much space is occupied by a substance
  4. 5. a change of state where a liquid is heated and changes to a gas within the liquid
  5. 6. a change that does not result in a new substance being produced
  6. 7. a cluster of atoms
  7. 9. a change of state where a gas is cooled and forms a liquid
  8. 10. liquids that can be mixed
  9. 11. a mixture of a metal with other metals or non-metals
  10. 12. the characteristics of a substance
  11. 15. liquids that do not mix
  12. 16. the change of state from liquid to solid
  13. 17. measures how much matter is in a substance
  14. 19. describes a process that gives off energy in the form of heat, light or sound
  15. 23. the substances formed in chemical reactions