General Science

    Sound Waves
    When sound travels, the air molecules vibrate
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    Particle Model of Matter
    The physical state of matter is changed with the change in
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    Physical and Chemical Changes
    PVC sheets are also used to make
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    Electric Circuits and Currents
    When electric charge moves through electrical conductor, there is a production of
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    Investigating Space
    ‘Mars’ is also names as
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    Digestive System
    The entrance of germs in the body due to contaminated food is known as
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    Forces Effects
    The force of attraction between two masses is called
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    Sound Waves
    Ships send a small
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    Heat Transfer
    From earth, sun is about
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    Heat Transfer
    The photographs taken by the device “Thermograph” are known as
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