Physical and Chemical Changes

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Across
  1. 2. a cluster of atoms
  2. 8. measures how much matter is in a substance (unit: g)
  3. 10. the change of state where a liquid changes to a gas at the surface of the liquid
  4. 13. pushes upwards, as in pushes water upwards
  5. 15. describes a process that absorbs energy from the surroundings
  6. 16. a change of state where a gas is cooled and forms a liquid
  7. 18. when atoms rearrange to form new substances
  8. 22. the starting substances in chemical reactions
  9. 24. the change of state from liquid to solid
  10. 25. a mixture where the substances are mixed on the atomic level
  11. 26. the smallest building block that makes up all substances
  12. 28. a decrease in size
  13. 29. the change of state when a solid is heated and forms a liquid
Down
  1. 1. a process where two liquids or two gases mix due to the motion of their particles
  2. 3. an increase in size
  3. 4. a change of state from solid to gas
  4. 5. the substances formed in chemical reactions
  5. 6. describes a process that gives off energy in the form of heat, light or sound
  6. 7. a type of chemical equation where the chemicals in the reaction are represented by their chemical formulas
  7. 9. a change of state from gas to solid
  8. 11. a change that does not result in a new substance being produced
  9. 12. a change that results in a new substance being formed
  10. 14. a type of chemical equation where the chemicals are represented by the chemical names
  11. 17. a solid formed during a chemical change
  12. 19. a simplified representation of solids, liquids and gases
  13. 20. the change of state from liquid to solid
  14. 21. a measure of the mass per unit volume of a substance, d = mV (unit: g/cm3)
  15. 23. measures how much space is occupied by a substance (units: mL or cm3)
  16. 27. a change of state where a liquid is heated and changes to a gas within the liquid