7th Class Science Winds, Storm and Cyclones Question Bank Natural Phenomena: Winds, Storm and Cyclones

  • question_answer
    DIRECTIONS: Read the passage given below and answer the questions that follow. Passage Take a soft plastic bottle and fill it with boiling hot water. Empty the bottle and cap it tightly. Place the water under running water. You will observe that the plastic bottle becomes distorted. What causes the air pressure inside the bottle to decrease?

    A) Distillation of steam inside the bottle when water is poured over it.

    B) Condensation of steam inside the bottle when water is poured over it

    C) Evaporation of steam inside the bottle when water is poured over it

    D) All the above

    Correct Answer: B

    Solution :

        Steam (gas) gets condensed to water (liquid).


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