B. D. PUBLIC SCHOOL, BUDDHA COLONY, PATNA SUMMER VACATION ASSIGNMENT – 2015 CLASS – IX Dear children, The Summer Vacation is often taken as synonymous with fun and frolics, getting up late in the morning, playing for longer hours with friends, going on trips and watching fun-filled shows on television. But dear children, there are a lot of things that you can do to make your vacation more interesting and meaningful, along with doing all these fun and frolics. Here is a “Summer Vacation Activity Treasure Box” for you which will mould you for a better and successful forthcoming year. So, set out to hunt your Activity Treasure Box now. A few guidelines for your parents to make your long Summer break fruitful. 1. “ Knowledge is Power”. Therefore, encourage your child to cultivate reading habit because it enhances the knowledge acquired as well as develops the vocabulary, language skills and improves spellings. 2. “ A healthy mind lives in a healthy body”. So, encourage your child to play outdoor games because sports instill discipline, generate sporting spirits and channelize energy constructively. Also encourage him/her to play board games as chess, Ludo, Carrom, etc. 3. “ Communication- the human connection – is the key to personal and career success”. Therefore, converse with your child preferably in English to help him/ her get comfortable with the language. Also encourage your child to read children‟s magazines and story books. 4. Spend quality time with your child engaging him/ her in activities based on enhancing his/her powers of observation and imagination. 5. Sensitize your child about the rich culture and heritage by watching different informative channels like „ The National Geographic‟, „Animal Planet‟, etc. 6. Encourage your child to do the activities himself /herself and fix a specific time to do homework everyday. English 1. You are Saurabh / Surbhi. After the recent earthquake attacks in Nepal and India, you are in a state of shock and at the end of the day you express your feelings of fear, shock and concern about the people whose near and dear ones died and also about those who are still facing the catastrophic consequences of the earthquake. Write a diary entry about the same. 2. Write a letter to the editor of a national newspaper, highlighting the negligent attitude of those students who are passing their time purposelessly and aimlessly and also suggest some remedial measures to make such students realize the importance of time by utilizing each and every second purposefully. 3. Write a letter to your friend about how you plan to spend your summer vacation. 4. Read the following passage carefully :The Poem „ The Brook‟ describes the journey of the brook as it originates from wild places and mingles with the river. It parallels the journey of the brook with that of human life. Through this analogy, the poet suggests the -310. If a= cz , b = ax and c= by , then prove that xyz = 1 11. If 2x = 3y = 6z , prove that 1 + 1 x y = 1 z 12. ABC is a rhombus, whose three vertices A,B,C lie on a circle with centre 0. If the radius of the circle is 10cm. Find the area of the rhombus. 13. If the difference between the semi-perimeter „S‟ and the sides „a‟ , „b‟ and „c‟ of ABC are 8cm,7cm and 6cm respectively, find the area of ABC. 1. The perimeter of right triangle is 56cm. If its hypotenuse is 25cm. Find the area of the right triangle. 2. A right triangle has hypotenuse of length q cm and one side of length p cm . If q-p = 2cm, find the length of third side of right triangle in terms of q. 3. To verify the identity ( a+b)2 = a2+ 2ab + b2 by paper cutting and pasting. 4. Verify the sum of angles of a quadrilateral is 360o by paper cutting and pasting. Science 1. Due to increase in population of world, we are doing too much effort to improve the food resources. But in our society, we see that at every ceremony, spoilage of great amount of food takes place which is a type of curse for our society. Write some suggestions which you can give to our society men to stop it. How will you make a programme to initiate a positive way to do it ? 2. How do you prepare distilled water at your home using household things like pressure cooker, a metal pipe, a rubber pipe etc. Also define vaporization, evaporation and condensation. 3. Write and prove all the three equations of motion with constant acceleration. 4. List all the physical properties of three states of matter. 5. Draw all the possible s-t graphs and v-t graphs for uniformly accelerated motion. 6. There is a list of animals and the inventions they exemplify. Match the animal with the invention. A B a) bat (1) parachute b) fish (2) helicopter c) flying squirrel (3) hypodermic d) humming bird (4) radar e) Scorpion (5) electricity So. Science 1. Write the answer to all the questions ( including those related to the map ) given in the frist two chapters each from History and Geography of the book „Academic Map work‟ in Social Science. 2. Draw the picture of the political symbols that were used during the French revolution and explain them . ( Given on the page No. 12 and 15) 3. Draw the political map of India and locate all the states and the union territories on it. 4. Prepare a project work on the earthquake in the following format :- causes and impact - What to do during the earthquake. -45. The sun rises two hours earlier in Arunachal Pradesh as compared to Gujarat in the West but the watches show the same time. How does this happen ? 6. What do you know about :a) Censorship b) Coalition c) Communist state d) Coup e) Political prisoners 7. How do the medium and large farmers obtain capital for farming ? How is it different from the small farmers ? Computer 1. Draw the functional diagram of a computer along with its different components on a chart paper.