states of matter

• distillation

  • heat / boil
  • evaporates
  • cool / condenses
  • collect
• filtration

  • filter paper in funnel
  • pour solution through
  • collect liquid in beaker
  • insoluble solid left in paper
• crystalization

  • evaporation dish / heat
  • stop heating when crystals start to form
  • leave on a window sill to finish evaporating
  • pat dry
• chromatography

  • dyes separate form solution
  • spread up paper

  distance ink moves / distance solution moves
• potable water

  • safe to drink
  • PH 6.5 to 8.5
  • no microorganisms
  • low level of dissolved substances
  • filtration - removes large objects
  • sedimentation - passed through a layer of sand / gravel to remove small objects
  • chlorination - kill bacteria