Physical and chemical change

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