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States of Matter - 3rd Std

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  • What do you understand by the term 'Heating'?
    When you raise the temperature of something
  • What are the properties of a liquid?
    Does not have a shape, takes the shape of a container. Can be poured easily
  • What are the 3 states of Matter, with examples?
    Solid- Wood, Liquid - Milk, Gas - Air
  • What is the change of state from Solid to Liquid called?
    Melting
  • How can something change state? Eg- Water
    When you heat it or cool it
  • What are the properties of a solid?
    Rigid, Keeps its shape
  • Which direction can a liquid flow? And Gas?
    Liquid--- Down or sideways, Gas - In all Directions
  • What is the change of state from liquid to solid called?
    Freezing
  • What do you understand by 'Cooling'?
    When you lower the temperature
  • What are the properties of a gas?
    No shape. Flows very easily. Fills the entire space it has
  • What is the change of state from Water Vapour to water called?
    Condensation
  • Can a solid flow? Eg - Lemon
    No, it maintains its shape whereever you keep it