7th Class Social Science Sample Paper Social Science Sample Paper - 1

  • question_answer
    Explain the water cycle.   

    Answer:

    The process by which water continuously changes its form and circulates between water bodies, atmosphere and land is known as the water cycle. The sun's heat causes evaporation of water from various water bodies. Kate of evaporation depends upon the sun's heat and water absorbing capacity of the air. When the water vapour cools down, it condenses and forms clouds. Once the clouds reach saturation point, the water comes down in the form of precipitation-rain, snow, dew, sleet, etc.        


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