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G3-4 Summer Science Week 3

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  • Name one gas that can dissolve in water.
    carbon dioxide
  • What do we call a solution with a large amount of solute?
    concentrated
  • What mixture of iron filings and sulfur can be separated with a magnet?
    iron and sulfur mixture
  • What type of mixture is sandy water?
    suspension
  • Why can you no longer see sugar after it dissolves?
    the particles are spread out
  • What makes sparkling water fizzy?
    carbon dioxide bubbles
  • What type of mixture is made from salt and water?
    solution
  • Are the substances in a mixture chemically bonded?
    no
  • What type of mixture is milk?
    colloid
  • What action helps a solute dissolve faster in water?
    stirring
  • What is the solvent in a sugar-water solution?
    water
  • What do we call a solution with only a small amount of solute?
    dilute
  • Why does hot water dissolve substances faster than cold water?
    the molecules move faster
  • What black compound forms when iron and sulfur are heated together?
    iron sulfide
  • In a suspension, where do the large particles settle?
    at the bottom
  • What do we call a solution that cannot dissolve any more solute?
    saturated
  • What happens to sugar molecules when sugar dissolves in water?
    they spread between the water molecules
  • What is the substance that dissolves called?
    solute
  • What is a mixture?
    different substances mixed together
  • What is the liquid that does the dissolving called?
    solvent