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7th Class Science Heat Question Bank Heat

  • question_answer
    Rohan wants to test whether a white object or a black object would heat up faster in the Sun. The given picture shows you his experiment. These thermometers were left out in the Sun for 30 minutes.  
    Which of the following statements is true?
     
                   

    A) Thermometer 1 reads the same as thermometer 3.                 

    B) Thermometer 2 shows a higher temperature than thermometer 3.  

    C) Thermometer 3 shows a higher temperature than thermometer 1.  

    D) Thermometer 1 reads the same as thermometer 2.                

    Correct Answer: B

    Solution :

    A black surface absorbs more heat than a bright surface.


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