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G4-5 Summer Science Week 3

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  • What is a solution called when no more solute can dissolve?
    saturated
  • What is a good solvent for sugar and salt?
    water
  • What do we call a solution with only a small amount of solute?
    dilute
  • What method can separate pure water from a salt solution?
    distillation
  • What do we call a solution with a large amount of solute?
    concentrated
  • What method separates sand from water by pouring off the liquid?
    decanting
  • What type of mixture is milk?
    colloid
  • Why does heating water help a solute dissolve faster?
    the molecules move faster
  • What tool is used to separate sand from stones by size?
    sieve
  • What is the substance that dissolves called?
    solute
  • What is the solid left behind after evaporation called?
    residue
  • What method separates a dissolved solid from a solution by heating it?
    evaporation
  • What type of mixture is sandy water?
    suspension
  • In a suspension, what happens to the large particles if the mixture is left to stand?
    they settle
  • What is a mixture?
    two or more substances mixed together
  • What is the liquid that does the dissolving called?
    solvent
  • What method separates the different colors in ink?
    chromatography
  • What method uses filter paper to separate solids from liquids?
    filtering
  • What helps a solute dissolve faster in water?
    stirring
  • What type of mixture is made from salt and water?
    solution