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Properties of elements

Quiz by Oak National Academy: KS3 Science (2)

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6 questions
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  • Q1
    Why do elements have fixed melting and boiling points?
    They are pure substances.
    They change colour at certain temperatures.
    They dissolve at these temperatures.
    They react chemically at these temperatures.
    30s
  • Q2
    Which of the following are physical properties of an element?
    Users sort answers between categories
    Sorting
    30s
  • Q3
    Which of the following is not a physical property of an element?
    density
    shininess
    flammability
    melting point
    hardness
    30s
  • Q4
    A physical change is ______ to reverse, e.g. melting or boiling. (Fill the blank with either difficult or easy)
    Users enter free text
    Type an Answer
    30s
  • Q5
    True or false? In chemical reactions, new substances are always formed.
    true
    false
    True or False
    30s
  • Q6
    Every element has its own ______ combination of properties.
    Users enter free text
    Type an Answer
    30s

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