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Changing Materials

Quiz by Education Quizzes KS2

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10 questions
Show answers
  • Q1
    What is a reversible change?
    A material changes its feel or appearance, but it is still the same material
    A material changes permanently into a new material
    A material stops existing
    A material changes into a new material, but it can be changed back
    30s
  • Q2
    What is an irreversible change?
    A material changes its feel or appearance, but it is still the same material
    A material stops existing
    A material changes permanently into a new material
    A material changes into a new material, but it can be changed back
    30s
  • Q3
    Which of the following is <b>not</b> an example of a reversible change?
    Sugar is dissolved in hot water
    An egg is fried in a hot pan
    A puddle turns to ice on a very cold winter's day
    A bar of chocolate has been left in the sunshine and has melted
    30s
  • Q4
    Which of the following is <b>not</b> an example of an irreversible change?
    A fruit smoothie has been frozen to make lollies
    A log of wood has been burned on the fire
    A bicycle left out in the rain begins to rust
    A mixture of flour, water and yeast has been baked into bread
    30s
  • Q5
    Burning will produce what sort of change?
    An irreversible change
    A reversible change
    Neither a reversible or irreversible change
    Either a reversible or an irreversible change
    30s
  • Q6
    Heating will produce what sort of change?
    An irreversible change
    Either a reversible or irreversible change
    A reversible change
    Neither a reversible or irreversible change
    30s
  • Q7
    Which of the following is an example of a reversible change?
    Evaporation and condensation
    Condensation but not evaporation
    Evaporation but not condensation
    Combustion
    30s
  • Q8
    If you were burning a candle, which of the following would be a reversible change?
    The solid candle wax melts
    The liquid wax in the wick burns
    All of the above
    The flame produces smoke
    30s
  • Q9
    Which of these mixtures is <B>not</B> an irreversible change?
    Plaster of Paris mixed with water
    Mixing salt and water
    Bicarbonate of soda mixed with vinegar
    PVA glue mixed with Borax
    30s
  • Q10
    Which of the following is a sign of an irreversible change taking place?
    All of the above
    A change in colour
    A sudden change in temperature
    Vigorous bubbling
    30s

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