Study

States of matter

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  • liquids take up the shape of the container? T/F
    True
  • when we boil water it evaporates and turns to ...................................
    Water vapour
  • Boiling point is the temperature at which particles throughout a liquid have enough energy to change to a .............................
    Gas
  • What id the boiling point of water?
    100 degrees
  • ............................ is something about substance that allows us to tell it apart from other substances.
    Property
  • Solid have a fixed shape? T/F
    True
  • Each substance has its own melting point. T/F
    True
  • Change in matter state happens when it .................. or ...................... energy.
    Gain/lose
  • Particles lose energy when ...........................
    cooled
  • Heated particles move slowly and closer together? T/F
    False
  • Air is a ................... of gases
    Mixture
  • Matter is anything that has mass and takes up ...............
    space
  • State some example of gases.
  • Melting point is a property of a substance. T/F
    True
  • In boiling: the temperature increases, liquid particles .......... energy and move ...........
    gain/faster
  • Most liquids boil only when they are heated. Evaporation can occur at ......................
    any temperature
  • Bubbles form when liquids evaporate at room temperature. T/F
    False
  • Particles .......................... energy when heated.
    Gain
  • when we heat ice it ................ and turns to liquid
    melts
  • Boiling point is a ............................ of a substance.
    Property
  • The temperature at which a solid becomes a liquid is the ......................
    melting point