Tamil Nadu Board of Secondary EducationSSLC (English Medium) (5 to 8) Class 8

Shylesh is a school going kid studying standard VIII He is crazy about playing video games in mobile phones. - Science

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Answer in Brief

Shylesh is a school-going kid studying standard VIII. He is crazy about playing video games on mobile phones. After a couple of months, his eyes turned red and he felt severe pain in his eyes. His science teacher enquired about this and advised his parents to take him to an eye doctor.

  1. How does excessive usage of mobile phone affect our eyes?
  2. What are the values shown by the teacher?
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Solution

Impact of excessive usage of mobile phones:

1.

  1. Cell phone radiation can damage the eyes and cause early cataracts.
  2. It can also lead to a cataract in the lens apart from affecting the retina, cornea, etc.
  3. It strains the eye muscles.
  4. It also caused temporary problems like dry and itchy eyes, blurry vision, pain in the eyes, etc.

2. The teacher has shown values of:

  1. Empathy
  2. Responsibility
  3. Personal care.
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Chapter 18: Organisation of Life - Exercises [Page 217]

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Tamil Nadu Board Samacheer Kalvi Class 8th Science Answers Guide
Chapter 18 Organisation of Life
Exercises | Q IX. 3. | Page 217

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