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1 Winter Break Assignment – 2015-16 Class – VIII Subject English Winter Break Assignment 1. Read any novel of your choice and write the book review in you language notebook. 2. Make an attractive poster on a chart paper on the topic ‘SAY NO TO TERRORISM’ Hindi Sanskrit French Compréhension écrite, Conjuguer les verbes suivantes : Prendre, Boire, Être, Avoir et Faire au temps (Passé Composé, Présent, Futur proche, Futur simple et Impératif) German On an A4 size chartpaper discuss either, the German eating habits, Clothing, industry or a historical event. Write a paragraph describing your own room in German (using the prepositions) in your notebook.. Mathematics 1. Divide: a4- b4 by a-b 2. Solve: ( 7a + 5b)2 - ( 7a – 5b )2 3. Factorize: 48ax2 - 75ay2 4. Solve: ( 1/2 ) -2 + (1/3)-2 + ( 1/4 )-2 5. Factorize: 6xy – 4y + 6 -9x 6. Factorize: 7a 2 + 14ab + 7b2 7. Find the factors of: 25a2 – 4b2 + 28bc - 49c2 8. Divide: 32 ( x2yz + xy 2z + xyz2 ) by 4xyz 9. Factorize and divide: 8p ( p2 +6p +8 ) by ( p + 4 ) 10. Factorize: P2 - 256 11. Using suitable identity find the value of i. a) 992 b) 512 - 492 c) 23 x 27 12. Factorize: a) 16 ( x + y ) 2 – 25 ( x- y )2 b) x2 - y2 13. Solve: ( 7a + 5b)2 - ( 7a – 5b )2 14. Solve: ( 30 + 4-1 ) X 22 15. Evaluate: 16. Find the product of: b3 x (3b11 ) x (3b25 ) 17. Find the value using identity: 2 (a) (x + 5) (x + 5) (b) (a + 4) (a + 7) (c) (2a + 9b) (2a – 9b) 18. Solve: 19. Find the value of ‘x’ for which, 5 2x +1 = 125 20. Simplify: 21. Write the degree of each of the following polynomial. a) X3 - 3X2 + 1 – X b) 2X5 - 6X3 + 7X - 9 22. Classify the following polynomials as Monomials, Binomials, and Trinomials. (a) 2Y - 3Y2 + 4Y (b) 1000 (c) 2P + 2q 23. Add: ab – 2bc , 2bc - 3ca , 5ca – 3ab 2 3 3 24. Subtract: 2x – 3y FROM 4y - 5x2 25. Subtract: 4a – 2ab +3b FROM -5ab - 2a + 3b 26. Find the value of: 3y ( 2y - 7 ) - 3 ( y – 4 ) - 63 For y = -2 27. Subtract: 3x2 – 7y2 + 6x - 5 from 4x2 – 3xy + sy2 – 3x + 5y + 7 28. Simplify: (a + b ) ( 2a -3b - +c ) – ( 2a – 3b ) c 29. Simplify 30. Evaluate ( Physics NOTE : PASTE THIS PAPER IN YOUR CW/HW NOTE BOOK & WRITE THE ANSWERS OF THE FOLLOWING QUESTIONS. Q.1 What is light ? Q.2 write the laws of reflection . Q.3 What is the value of angle of reflection for normal incidence? Q.4 Name the mirror which forms virtual and erect image . Q.5 Name the mirror which forms real as well as virtual image depending on the distance of the Object. Q.6 Which lens can be used as magnifying glass. Q.7 Name the mirror which is used as rear view mirror in automobiles. Q.8 A plane mirror forms an image of an object at a distance of 10cm. What is the distance of the Object from the mirror. Q.9 Draw and explain the functioning of human eye. Q.10 What is the difference between rod and cone type of cells ? Q.11 What is colour blindness ? 3 Q.12What is common between Diwakar, Ravindra Jain & Helen A. Keller. Q.13 If the angle between incident light ray and plane mirror is 40 degree .What will be the angle Of reflection ? Q.14 What happens when white light is incident on a glass prism ? Write the name of the Phenomenon and explain it . Q.15 Name the bird having large cornea , large pupil and large number of rods. Chemistry THE DALY COLLEGE, INDORE CLASS VIII SUBJECT –CHEMISTRY Winter Holiday Homework NAME:……………………………………… SECTION…………………………….. Q.1Explain how water control fires? Ans:--------------------------------------------------------------------------------------------------- Q.2 What would you do when the clothes of a person catches fire? Explain. Ans------------------------------------------------------------------------------------------------------- 4 Q.3 How will you control fire generated by electrical appliances? Give reason also. Ans: Q.4 Why do we see this device in most of the public places? What is it’s use? Ans: ____________________________________________________________ Q.5 Draw a well labelled diagram of a flame. 5 BIOLOGY WINTER HOLIDAY HOMEWORK 2015 "Draw and label any one of the following diagram” (A) Life cycle of frog. (B) Male reproductive system. (C)Female reproductive system. Use A4 size card sheet, shed the diagram with colour or use any innovative idea of making diagram. History & Civics Make a flash card on A4 size paper on any social reformers of the modern India covering the following items. 1. Birth 2. A picture of the social reformer 3. Important contribution in social, educational etc. 4. Death The work will be assessed on the following points: 1. Creativity-3Marks 2. Content- 5Marks 3. Neatness-2Marks 4. Punctuality 3Marks 5. Viva- 2Marks Geography Do a Case study on Jamshedpur Iron & Steel Plant in your notebook under the following topics- 1. Classify the industry under the following headings- a. On the basis of raw material b. on the basis of size c. On the basis of ownership 2. Year of Establishment. 3. Location with Map. 4. Factors of Location- (a). Sources of raw material (b). Power supply (c)Water supply. (d)Capital (e)Transport.(f)Market.. 5. Role played by TISCO in the industrial and regional development. Computer Science Note: Write the code for the following programs in your note books. Q1. Q2. Q3. Q4. Q5. Write a program to find greater of two numbers using IF THEN ELSE condition. Write a program to calculate grades of a student’s result using SELECT CASE statement. Write a program to print your name 10 times using FOR loop. Write a program to print even numbers from 1 to 40 using FOR loop. Write a program to calculate grades of a student’s result using IF THEN ELSEIFcondition.