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    Physics
    Grade-9
    Easy

    Question

    The particles of a _____ move in the most random way and at greatest speeds.

    1. Solid
    2. Liquid
    3. Gas
    4. Gelly 

    Hint:

    Particles of gas move randomly by colliding with each other and with the walls of the container

    The correct answer is: Gas

      Molecules of gases have more intermolecular space and less intermolecular force of attraction therefore they move very randomly by colliding with each other; and due to this they posses high kinetic energy. Hence they also move at greater speeds

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