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Phase Change Knowledge Probe

Quiz by Jennifer Jones

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6 questions
Show answers
  • Q1
    Why does the temperature go up when heating something?
    The phase change is taking the energy
    Molecules and atoms move less
    Molecules and atoms move faster
    The fire is hot
    30s
  • Q2
    What is happening from A to B?
    Question Image
    A substance is heating up and molecules are slowing down.
    A substance is staying the same.
    A substance is heating up and molecules are moving faster.
    A substance is going through a phase change.
    30s
  • Q3
    What is happening from D to E?
    Question Image
    A substance is going through a phase change and the molecules are moving faster.
    A substance is going through a phase change and all energy is going into breaking the molecular attractions.
    A substance is being heated up and the molecules are slowing down.
    A substance is subliming and molecules are moving faster.
    30s
  • Q4
    Assume a beaker of water has been boiling for 30 minutes. What is in all the bubbles?
    water vapor
    carbon dioxide
    hydrogen gas
    oxygen gas
    30s
  • Q5
    What is a physical change?
    Changes in the phase of a substance only.
    Changes only physical properties, but the identity of the substance stays the same.
    Changes the identity of the substance, but still looks the same.
    How a substance changes when it is burned.
    30s
  • Q6
    What is the difference in the melting point temperature and freezing point temperature?
    Freezing is colder than melting.
    The molecules move faster when freezing.
    They are the same.
    The melting point lasts longer than freezing point.
    30s

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