Study

Properties of Matter

  •   0%
  •  0     0     0

  • Yeast is a microorganism, a living thing. TRUE or FALSE?
    True
  • Yeast is a tiny animal. TRUE or FALSE?
    False. It's a tiny fungus.
  • It doesn't keep its shape or volume; it spreads to fill the space it's in.
    gas
  • Yeast decompose sugar. TRUE or FALSE?
    True.
  • It keeps its shape unless force is applied on it. it keeps its volume.
    solid
  • What happens if an ice cube is place outside the freezer for a long time?
    It melts.
  • How to separate water and salt?
    Evaporation
  • What happens if water sits in the freezer for a long time?
    It freezes.
  • When we boil water, does it "disappear"?
    No, it evaporates. It changes state from liquid to gas - EVAPORATION.
  • Yeast is useful for making bread. TRUE or FALSE?
    True
  • Water vapour and carbon dioxide are examples of
    gases
  • How to separate oil and water?
    Deacanting
  • It takes the shape of the container and stays the same volume.
    liquid
  • Ice, sugar and corn are examples of
    solids
  • Tiny droplets of water appear outside a cold cup because...
    The water vapour in the air comes in contact with the cold glass and turns to liquid state - CONDENSATION
  • Water, juice and oil are examples of
    liquids
  • Reversible or irreversible? Melt chocolate
    Reversible
  • By eating sugar, yeast releases carbon dioxide. TRUE or FALSE?
    True.
  • How to separate water and sand?
    Filtering
  • Reversible or irreversible? Burn paper
    Irreversible
  • How to separate sugar and corn?
    Handpicking or sieving.