CBSE Class 10 English HOTs Science

1. Based on the picture given below and ideas from unit 'Science' write a speech to be delivered in your school assembly on the increasing role that technology has come to play in our daily lives. (Word-limit : 200 words) 10

2. Mobile phones have gained popularity and have become almost in-dispensable. But its advantages and handiness can't make us blind to the harmful impact of the electromagnetic radiation emanated on it. Using your own ideas and with the help of unit on 'Science' of MCB, illuminate the harmful aspect of mobiles. 10

3 You are Sunil/Sunila. The top ten gadgets that changed the world are television, telephone, camera, movie camera, microwave oven, video cassette player and recorder, video gaming consoles, walkman, personal computer and the cell phone. Write an article on the topic "We have become slaves to Modern Gadgets". 10

4. Videoconferencing is a Technology that enables people to meet and collaborate together through sight and sound no matter where they are in the world. Using inputs given write an article on : 10

Videoconferencing—A Revolution in the field of communication for your School Magazine.

5. You are Rajan/Rajni. On the occasion of Science Day, a speech competition is going to be organized in your school on the topic 'Latest Up-gradation of Technologies has Improved Our Lifestyle. Write the speech taking clues from the unit "Science".

6. You are Raghav, a science student. The visual shows that scientist have discovered something amazing. You feel that a lot needs to be done in India in the field of research for which scientists need to be encouraged and given incentives. Write a letter to the editor of a leading daily expressing your views.

7.. You are the captain of Everest House of your school. Write a speech to be delivered, in the morning assembly about 'The misuse of Scientific Knowledge' with the help of hints given below, ideas from the unit 'Science' and your own ideas. Do not exceed 200 words :

 Science-neither good or bad by itself. It all depends upon its use.

 Everything done by machine – no place for manual work.

 Science increases dissatisfaction with real life.

 Invention of destructive weapons.

8.. You are Ravi. You have come across the following news item in the news paper : Taking ideas from the unit 'Science' along with your own ideas, write a letter to the Editor of a newspaper in about 150 words describing both the benefits and drawbacks of using this high-tech device.

9. Complete revolution in life ………… Internet, E-mail, E-com, Computers etc. Science has bought about a revolution in every walk of life. We cannot even imagine today that life can continue without science. Write an article about 'The future of Information Technology'. Using ideas from the unit on 'Science' together with your own ideas in not more than 200 words.

10. To make every house equipped with appropriate electric power, it has been decided by the Government of India (Department of Non-Conventional Energy Sources) to popularize solar energy using the information given, below, write a letter to the editor 'The Times of India' New Delhi in order to create awareness among all for making use of solar energy. Write your letter in about 150 words.

11. You saw the following advertisement in a newspaper. You decide to give speech in your morning assembly on how advertisements of such gadgets are harmful to youth. Use ideas from the unit on 'Science' and your own ideas : 10

12. Nuclear energy has found more misuse than use for mankind's betterment. Highlight your views on the impact of Nuclear weapons on World Peace and how much it can be put for better use. Write an article on it. 10

13. The cloning of Dolly sparked off a vigorous debate on human cloning. The possible medical benefits were almost overlooked. David Simpson of 001, Mount Road, Hyderabad, decides to write a letter to the editor of a national daily how this might benefit the medical research. It may provide an insight into cancer. The cloned organs can give life to the millions who die waiting for donors. As David Simpson write the letter.

14. Excessive use of computers, Air conditioners electrical appliances etc. are only adding to the phenomena of global warming. Write a letter to the Editor of a National Daily expressing your concern as to how Scientific Inventions are proving detrimental to the environment and the need to limit their use. Sign yourself as Abhay/Asha.

15. Rampant Insecurity and the desire to dominate has led to a race among nations' to amass sophisticated weapons. You are concerned about the possibility of another world war and that of total annihilation of human race. Write a letter to the Editor of a national daily expressing your concern. Also offer suggestions. 10

16. Ultrasound machinery successfully detects hidden diseases and probable impairments in babies yet to be born. However the preference for a male child has led to the misuse of this technology. Write a letter to the editor expressing your views and giving suggestions to curb the menace of female foeticide. 10

17. You are Suhail/Suhela. You came across the following advertisement in a newspaper. You are promoted to write an article on the importance of computers in our daily existence and how they have acquired paramount importance in everyone's life. Give a suitable title to it : 10

18. Satellite Television has brought a wide range of channels to our living rooms. There is an easy access to all the channels irrespective of their appropriateness. This not only makes children TV addicts but also discourages critical thinking Write a letter to the Editor of a National Daily expressing the need to keep a check on the amount of TV being watched as well as the kind of channels being watched. Sign yourself as Veena/Vipul.