7th Class Science Heat Question Bank Heat

  • question_answer
    A student took an iron rod and a wooden rod and wrapped each of them in a piece of paper. These were then heated as shown. It was found that the paper around the iron rod does not burn whereas the one around the wooden rod catches fire. It is because

    A) Candle, in case of iron rod, is nearer to the paper                      

    B) Wood being a bad conductor of heat, takes away all the heat           

    C) Iron being a good conductor of heat, conducts away the heat given to the paper                         

    D) Paper, in first case, is thicker.      

    Correct Answer: C


You need to login to perform this action.
You will be redirected in 3 sec spinner