SUMMER HOLIDAY HOMEWORK ( ) CLASS-IX

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Hilary Rose Glenn
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1 CLASS-IX ENGLISH Make a table presenting sentences of all the 12 forms of Tenses in both Active and Passive forms with their structure. [Note: Make use of pink file.] HINDI 1- ^lkf[k;kwa vksj lcn* dfork dk izfrik fy[ksaa 2- vkt dh mihkksdrkoknh lalñfrgekjs jhfr fjoktksa dks fdl rjg izhkkfor dj jgh gs\ vius vuqhko ds vk/kkj ij,d vuqpnsn fyf[k,a 3- ^vkink&izca/ku* bl fo"k; ij yxhkx 300 'kcnksa esa fuca/k fy[ksaa 4- vius fe= dks vius cm+s HkkbZ ds fookg esa lfeefyr gksus ds fy, fuea=.k Hksft,A uksv& ^, Qksj lkbt ds izkstdv isij esa* lhkh x`gdk;z djuk gs A MATHEMATICS Do the following in Maths Lab Manual. Mathematics Lab Manual S. No. Name of the Activity Page No.(Book) 1. To make a square root spiral by paper folding method To verify the identity a 3 +b 3 =(a+b)(a 2 -ab+b 2 ) To verify the different criteria of congruence of triangle using the method of tracing geometrical figures To derive the formula for area of a rhombus To study the effect of algebraic operations (multiplication and division by a non-zero number) on linear equations in two variables, graphically To verify the mid-point theorem for triangle, using paper cutting and pasting To explore the properties of diagonals of the following quadrilaterals : a. parallelogram b. square c. rectangle d. rhombus To verify that if the angles subtended by the chords of a circle at the centre are equal, then the chords are equal, using the method of paper cutting To find the formula for the curved surface area of a right circular cylinder, using the method of paper cutting and pasting To find the probability of getting two heads, when two coins are tossed simultaneously through an activity. 118 Assignment Please do in the project file (any colour) 1. If x + y = 12 and xy = 32, Find the value of x 2 + y 2. Page 1 of 5

2 2. If 3x + 2y = 12 and xy = 6, find the value of 9x 2 + 4y Write the following cubes in the expanded form: (i) (3a + 4b) 3 (ii) (5p 3q) 3 4. If find the values of each of the following: (i) (ii) 5. If x - = 7, then evaluate x 2 - and x If a + b + c = 15 and a 2 + b 2 + c 2 = 83, find the value of a 3 + b 3 + c 3 3abc. 7. Factorize: (i) 6ab b ac 2bc (ii) 9(2a b) 2 4(2a b) If x 3 + ax 2 bx + 10 is divisible by x 2 3x + 2, find the values of a and b. 9. Using factor theorem, factorize each of the following polynomials: (i) x 3 6x 2 + 3x + 10 (ii) 2y 3 5y 2 19y Which one is not a polynomial (a) 4x 2 + 2x 1 (b) (c) x 3 1 (d) y 2 + 5y + 1 SCIENCE Explain the change of state of matter with labelled diagram in A-4 size paper. PHYSICS 1. Write any two differences between distance and displacement. 2. An object may appear to moving for one person and stationary for some other. Explain with an example. 3. Abdul while driving to school, computes the average speed for his trip to be 10km/hr. On his return trip along the same route, there is less traffic and the average speed is 20km/hr. what is the average speed of Abdul s trip? 4. A ball is gently dropped from a height of 50 m. If its velocity increases uniformly at the rate of 10 m s -2, with what velocity will it strike the ground? After what time will it strike the ground? 5. A car moves on a circular path of radius 10m. It completes 5 revolution in 5 minutes. What is its average speed? 6. A car moves on a straight road for first half time with the constant speed of 20 ms -1 and the next half time with a constant speed of 60 ms -1, then calculate average speed. Page 2 of 5

3 7. At a given instant, the speed of a scooter is 54 km/h and after 10s it become 18km/h; calculate its acceleration, assuming it to be constant. 8. A body travel 200 cm in the first 2s, and 220 cm in the next 4 s. What will be the velocity at the end of the 7 th second from the start? 9. A train starting from rest attains a maximum speed of 54km/h in 30 s with uniform acceleration, it then travel with this speed for 40 s and is then brought to rest in further 30 s with uniform retardation, calculate the total distance travelled. 10. Prove that (i) v 2 =u 2 +2as and (ii) s= ut +(1/2)at 2. CHEMISTRY Draw well labelled diagram of following :- 1. Plant Cell 2. Animal Cell 3. Parenchyma Tissue 4. Collenchyma Tissue 5. Sclerenchyma Tissue Note:- Use small Drawing sheet SOCIAL SCIENCE Prepare a project on human-induced hazards (select any one of them) covering the following points: Definition List of human-induced hazards Causes Effects Measures to control it GUIDELINES FOR PREPARING PROJECT WORK IN SOCIAL SCIENCE 1. The total length of the project work will be 15 pages. 2. The project work will be handwritten and credit will be awarded to original drawings. 3. The project report will be developed in this sequence:- I. Cover page showing project title, student information, school and year II. Preface III. Acknowledgement (acknowledging the institution, offices and libraries and person who have helped) IV. List of contents V. Introduction VI. sub topics Page 3 of 5

4 VII. planning and activities to be done during the project, if any VIII. Conclusion IX. Bibliography X. Picture gallery (labeling of the pictures) XI. Teacher s report Teacher s report in the given pro forma will be attached at the end of the report PROJECT EVALUATION PROFORMA SCHOOL S NAME:... ADDRESS OF THE SCHOOL:... STUDENT S NAME:... ROLL NO...CLASS... SECTION...SESSION... Teacher s remarks 1. Initiative, cooperativeness and participation Aesthetic presentation, visual appeal, expression and neatness Content accuracy, creativity, originality, analysis of different perception, performance in the oral/written tests Date of submission Total marks Overall remarks Teacher s signature Date INFORMATION TECHNOLOGY Make a project on chapter Mastering Typing Do the typing practice using Typing Master or any other typing programme. Make command on Alphanumeric keys and Punctuation keys. Practice following Test Text in Typing Master : Page 4 of 5

GUIDELINES FOR PREPARING PROJECT: 1. The total length of the project work will be 15 pages. Use A4 size paper. 2. The project work will be handwritten and credit will be awarded to original drawings.

5 GUIDELINES FOR PREPARING PROJECT: 1. The total length of the project work will be 15 pages. Use A4 size paper. 2. The project work will be handwritten and credit will be awarded to original drawings. 3. The project report will be developed in this sequence :- Cover page showing project title, student information, school and year Preface Acknowledgement (acknowledging the institution, offices and libraries and person who have helped) List of contents Introduction sub topics planning and activities to be done during the project, if any Conclusion Bibliography Picture gallery (labeling of the pictures) Teacher s report ART Draw the following figures in Art copy. 1. Birds (from art book) NOTE: Please submit all the assignments on Page 5 of 5

Locus Locus. Remarks

Locus Locus. Remarks 4 4. The locus of a point is the path traced out by the point moving under given geometrical condition (or conditions). lternatively, the locus is the set of all those points which satisfy the given geometrical