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Rakesh and Rajesh are 8th class students. They are fond of watching cricket match, particularly when it is played between Australia and India. They observed that most of the players, when they are in the field, apply a cream on their face. They did not know its reason. One day they asked this question to their teacher. The teacher thought it to be a good question and explained the reason for applying this cream to the whole class. Based on this paragraph, answer the following questions: (i) In your opinion, what explanation did the teacher offer to the students in the class? (ii) Why is small ozone layer on top of the stratosphere considered crucial for human survival? (iii) Write any two values displayed by Rakesh and Rajesh and their class teacher? |
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Answer» (i) The sun lotion used by players on their face absorbs a part of ultraviolet radiation coming from sun and thus causing less damage to the skin of players using it. (ii) The small ozone layer present on the top of the stratosphere absorbs a part of ultraviolet radiations emitted by sun and going towards earth. As a result of it, a small portion of ultraviolet radiation of sun can reach the earth. Due to it, there is no harm to human beings. (iii) Rakesh and Rajesh shown curiosity and keeness for knowing the scientific facts. Teachers showed maturity and enjoyed while explaining the scientific facts to all the students. |
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