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7th Class Science Sample Paper Science Sample Paper - 8

  • question_answer
    It is observed that two thin woollen blankets are warmer than a thick woollen blanket. Comment.

    Answer:

    Two thin woollen blankets are warmer than a thick woollen blanket because more air is trapped between the two thin blankets than a single woollen blanket. Air is a poor conductor of heat and does not allow the heat to pass from the body.            


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