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Molecules and matter P6

Quiz by Horia

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36 questions
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  • Q1
    Density (kg/m^3)
    mass (kg) x volume (m^3)
    mass (kg) / volume (m^3)
    30s
  • Q2
    Density
    volume per unit mass
    mass per unit volume
    30s
  • Q3
    Measuring the density of an irregular solid object
    Measure the dimensions, calculate volume, measure mass. Mass / volume
    Measure the volume using a eureka can (volume of water displaced = volume of object). Mass / volume
    30s
  • Q4
    Measuring the density of a regular solid object
    Measure the dimensions, calculate volume, measure mass. Mass / volume
    Measure the volume using a eureka can (volume of water displaced = volume of object). Mass / volume
    30s
  • Q5
    How to calculate the density of a liquid?
    Measure the mass of an empty beaker, then the beaker with the liquid. Measure volume. Mass / volume
    Measure the mass of an empty beaker, measure volume. Mass / volume
    30s
  • Q6
    What is a physical change?
    Easily reversible, state change
    Irreversible, chemical reaction
    30s
  • Q7
    When liquid changes into solid
    melts
    condenses
    freezes
    30s
  • Q8
    When liquid changes into gas
    condenses
    vaporises (evaporates / boils)
    freezes
    melts
    30s
  • Q9
    When gas changes into liquid
    melts
    freezes
    condenses
    30s
  • Q10
    When solid changes into liquid
    freezes
    melts
    condenses
    30s
  • Q11
    When gas changes into liquid
    melts
    freezes
    condenses
    30s
  • Q12
    The mass of a substance is _____________ as the mass after the change in state
    less than
    the same
    more than
    30s
  • Q13
    Particles in a gas
    are in contact with each other, can slide over each other, doesn't have its own shape and can flow, cannot be compressed as there is no space to move into
    held fixed in position, can only vibrate about their fixed positions, has its own shape, fixed volume, cannot be compressed as there is no space to move into
    move quickly and randomly, particles are far apart from each other, can flow, can be compressed, no fixed shape
    30s
  • Q14
    Particles in a solid
    move quickly and randomly, particles are far apart from each other, can flow, can be compressed, no fixed shape
    held fixed in position, can only vibrate about their fixed positions, has its own shape, fixed volume, cannot be compressed as there is no space to move into
    are in contact with each other, can slide over each other, doesn't have its own shape and can flow, cannot be compressed as there is no space to move into
    30s
  • Q15
    Particles in a liquid
    are in contact with each other, can slide over each other, doesn't have its own shape and can flow, cannot be compressed as there is no space to move into
    held fixed in position, can only vibrate about their fixed positions, has its own shape, fixed volume, cannot be compressed as there is no space to move into
    move quickly and randomly, particles are far apart from each other, can flow, can be compressed, no fixed shape
    30s

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