General Science

    Reproduction in Plants
    The fruits that are eaten by animals, are
    Author: rikazzz Comment
    Investigating Space
    By about every billion years, the brightness of the sun has been increasing up to
    Author: rikazzz Comment
    Sound Waves
    An example of ‘percussion’ is
    Author: rikazzz Comment
    Heat Transfer
    In hot places, well insulated house stays
    Author: rikazzz Comment
    Sound Waves
    The sound of a whistle is
    Author: rikazzz Comment
    Feeding Relationships and Environment
    To make food, plants need
    Author: rikazzz Comment
    Electric Circuits and Currents
    The source of energy involves
    Author: rikazzz Comment
    Physical and Chemical Changes
    When solids are heated, they
    Author: rikazzz Comment
    Energy Resources
    ‘Photovoltaic’ cells are also termed as
    Author: rikazzz Comment
    Heat Transfer
    Mostly people wear black or dark colored clothes in winter, because dark colors
    Author: rikazzz Comment