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Matter review

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  • When you make water hotter with fire. Name the process.
    Heating
  • What change is that?
    Physical change.
  • How can you separate metall from sand?
    Use a magnet (magnetism)
  • Where is solvent, solute and solution?
    Coffee is a solution, water is a solvent, coffee beans are solutes.
  • What is salt in a salt water?
    Solute
  • What change is that?
    Chemical change.
  • How can you make liquid out of gas?
    Condensation
  • What state of matter is water?
    Liquid
  • What is water in a salt water?
    Solvent
  • What state of matter is wood?
    Solid
  • Where is solvent, solute and solution?
    Tea is a solution, water is a solvent, tea bag is a solute.
  • What is the difference between chemical and physical change?
    Chemical change - burning or cooking. Physical change - change of physical properties
  • Choose a solution
    Salt water
  • What is lemonade?
    Solution
  • What objects are soluble? Bring three examples.
    Things that can be dissolved (sugar, salt, honey).
  • When ice becomes liquid. Name the process.
    Melting
  • What change is that?
    Physical change.
  • What change is that?
    Chemical change.
  • What is a pizza?
    Mixture
  • What change is that?
    Chemical change.
  • How can you separate sand from water?
    Use a filter (filtration)
  • How can you separate salt from water?
    Use heat (evaporation)
  • What change is that?
    Physical change.
  • What state of matter is vapor?
    Gas
  • When you make hot water cold. Name the process.
    Cooling
  • What is the difference between mixture and solution?
    Mixture is easy to separate.
  • What objects are insoluble? Bring three examples.
    Things that are difficult to dissolve (wood, stone, oil)
  • Choose objects with high solubility.
    soap, sugar, honey, vinegar, lime juice