Starter quiz

  • Which of these are states of matter?
    • solid state  ✓
    • ice state
    • gas state  ✓
    • water state
  • At what temperature does liquid water change to ice?
    At what temperature does liquid water change to ice?
    • 0°C  ✓
    • 100°C
    • 80°C
    • 50°C
  • Match the name of the process to the description:
    • melting
      when a substance changes from its solid state to its liquid  ✓
    • dissolving
      when a solid is broken into very small pieces and disappears ✓
  • What happens when you stir sand in water?
    What happens when you stir sand in water?
    • the water evaporates, leaving the sand
    • the sand dissolves in the water
    • the sand makes a mixture with the water  ✓
  • A <span class="blank">______</span> substance dissolves in a liquid.
    A ______ substance dissolves in a liquid.
    • 'soluble' ✓
  • True or false? You can recover a dissolved solid from a solution by filtration.
    True or false? You can recover a dissolved solid from a solution by filtration.
    • True
    • False ✓
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