J.K.G. International School

J.K.G. INTERNATIONAL SCHOOL INDIRAPURAM Class- ix Summer Vacation Home Assignment Session 2017-18 English:-

 Write diary entry about any one of the important events which has taken place in your life.  Read the novel ‘Gulliver’s Travel’ (Part-1)  Do remaining worksheets (Me n Mine) of the chapters coming in UT-1.  Revise the syllabus for UT-1. Science:- 1. Prepare for periodic test-1 2. Complete your practical file. 3. Do worksheet -3 (Motion) in your note book. Math:- Do Ques. 1 to Ques.24 in separate notebook. Q1. Write three irrational numbers between √3 and √5 . Q2. Give a rational approximation to √3 correct to two places of decimals. Q3. Simplify : a) b) 2. +3. +4. c)

Q4. If √3= 1.732, find the value of . Q5. If x + = √3 find the value of x3 + . Q6. Find the value of x : - 5=0. Q7.If x=√2 +1, find value of (x- )2.

Q8. Show that : - - - - = 5 Q9. Express 1.41919…. in the form of p/q where p and q are integers and q ≠0. Q10. Express 1.3222… + 0.353535…. as fraction in simplest form . Q11. If √2= 1.414, √3 = 1.732, then find the value of

Q.12 If x= , then find the value of qx2 – 2qx +q.

Q.13 Use the factor theorem to determine whether x-1 is a factor of 2 x3 + 5 x2 - 7 Q.14 Use identity to factorise:- 8p3 – 27q3 -36p2q + 54pq2 Q.15 Simplify:- (a+b)3 + (a-b)3 + 6a(a2-b2) Q.16 Find the value of 27x3 + 8y3 if 3x + 2y = 20 and xy = Q.17 Factorise :- p 3(q - r)3 + q 3(r - p)3 + r 3(p - q)3 Q.19 If x+y+z = 1 , xy+yz+zx = -1 and xyz = -1 find the value of x3+y3+z3 Q.20 Two lines which are both parallel to the given line , are parallel to each other . Prove the theorem. Q.21 Prove that an equilateral triangle can be constructed on

any given line segment. Q.22 Find the area of the triangle whose vertices are (0,4), (0,0) and (2,0)by plotting them on graph. Q.23 Plot the points P(1,0), Q(4,0) and S(1,3). Find the coordinates of the point R such that PQRS is a square. Q.24 Factorise:- a7 – ab6 Q.25 Make a report on Euclid’s life and its achievements. (Do it as an activity in lab manual).

Social Science:- Q1. When did Louis XVI ascended the throne of France? What were the causes of an empty treasurey at the time of his accession? Q2. How was the system of estates in France Society organized? Q3. What led to the formation of Jacobin club? From what did it derived its name? Who were its members? What were its achievements? Q4. Write a note on slavery in the French colonies. Q5. How did the revolution affect the everyday life of the people in France? Q6. What was ‘Guillotine’? Q7. What was the importance and value of the Reign of Terror in the history of French revolution? Q8. Describe how the Himalayas were formed? Q9. Give an account of the northern plains of India. Q10. Describe the main features of the Himachal or Lesser Himalayas. Q11. Describe the features of outer Himalayas. Q12. Describe the divisions of the Himalayas that have been demarcated by the river valleys. Q13. Which region is known as Terai? Q14. How was the Peninsular plateau formed? Describe its min features. Q15. Write a short note on Coastal Plains. Q16. Describe the significant differences between Himalayan and the peninsular rivers. Q17.Why are rivers important for the country’s economy? Q18. Differentiate between drainage and a drainage basin? Which river has the largest drainage basin in India and in the world? Q19. Describe the importance of Lakes for human beings. Q20. What are the causes for river pollution? Q21.Compare the features of Democratic and Non-Democratic Government. Q22. Write a short note on rule of law and respect for rights in a democracy. Q23. Describe the main features of Democracy. Q24. What is the main aim of Production? Describe its requirements. Q25. Who provides the labour for Farming? Describe the condition of farm labourers. Q26. What is the value of using modern farming methods for higher yield? Q27. How do the chemical fertilizers affect the soil groundwater, river and lakes? Q28. What is the status of land area under cultivation in Palampur? Q29. What is the difference between Land and Capital? Q29. How re wages of labourer paid in Palampur? Q30. Which are the main non-farming activities in Palampur? Q31. How do the medium and large farmers obtain capital for farming? Q32. How did the spread of electricity help farmers in Palampur? Q33. MAP WORK---(India Physical) Mountain and Hill Ranges- The Karakoram, The Zaskar, The Patkai bum, The Vindhiya Range, The Aravali and the Cardamum hills. Q34. What are the main factors for the formation of drainage patterns? What are different patterns? How these pattern develop? Q35.Write the main features of the Ganga River system. Q36. Write a note on the fresh water lkes. Q37. After being joined by its tributaries how does the Ganga flow into theBay Of Bengal? Q38. Write the difference between Tributaries and Distributaries of a river.

Art:- Q1: Make one Craft activity using any waste material.

OR Q2: Prepare a book cover design.

Information Practices:

1. Learn Ch-1 and Ch-2 for UT1. 2 Learn the key points of Summary of Ch-1 and Ch-2. 3 Identify the local TV programs that are using Video Conferencing. Make a list of advantages while watching the program? Also list what are the disadvantages of video conferencing that you notice.