4th Class Science Work, Force and Energy Question Bank Work, Force and Energy

  • question_answer Direction: Read the passage and answer the questions below: There are many forms of energy. We get heat energy by burning LPG or wood. We mainly use heat energy to cook our food. Moving air has also got energy called wind energy. This energy, 5 used by the wind mills to produce electricity. Solar energy is also very useful). It is used for cooking food with solar cooker. It is also used to heat water by solar water heater. The energy stored in our muscles is called muscular energy with the help of which we do different works. Moving air is used by ______ to produce electricity.

    A) dams                           

    B) wind mills      

    C) auto rickshaw

    D) all of these

    Correct Answer: B

    Solution :

        wind mills

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