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SUMMER BREAK HOLIDAYS HOMEWORK (2019-20)Class IXSCIENCEQ.1 What are the characteristics of particle of matter?Q.2 Tabulate the difference in characteristics of states of matter on the basis of rigidity, compressibility, density and kinetic energy.Q.3 why-? (a) Evaporation produces cooling. (B) Rate of evaporation of an aqueous solution decrease with increase in humidity.(C) Sponge though compressible is a solid.(D) All the water of the earth get evaporated during hot summer days.Q.4 Differences between plant cell and animal cell.Q.5 Draw a labeled diagram of plant cell and animal cell.Q.6 Write the role of followings in a cell-A) Lysosome (B) Golgi bodies (C) Gene (D) Mitochondria (E) PlastidQ.7. Write one word for the following-A) Power house of a cellB) Skeletal system of a cellC) Kitchen Of a plant cellD) Factory of protein synthesisQ.8 Draw the Displacement –Time graph-A) Rest position B) uniform Motion C) Non uniform motionQ.9 Draw the velocity –Time graphA) Rest B ) Uniform velocity C) Uniform accelerated motion D) Uniform decelerated motion.Q.10 Define the – speed , retardation and Displacement.ENGLISHReading Section:Four Comprehension passagesWriting Section:Two diary EntryTwo Article WritingTwo story WritingGrammar Section:Two Editing PassagesTwo Omission PassagesTwo exercises of Gap FillingTwo exercises of Sentence TransformationTwo exercises of jumbled sentencesLiterature:Revise the chapters which have been taught from the Supplementary Reader(Moments)? and Textbook(Beehive)MATHEMATICSChapter: Real NumbersWrite the following in decimal form and say, what kind of decimal expansion each has?39/1005184/132/15329/500Represent geometrically the number 5.26 on the number line.Rationalize 1/7+ 3- 2Show that( 1/3-8) - (1/8-7) + (1/7-6) – (1/6-5) + (1/5- 2)Do all the worked out examples from the [ NCERT ] If a = 2x-12x-2 , b = 2-x2x+1 and a-b = 0Find the value of x.Express 0.6 + 0.7 + 0.47 in the form pq , where p and q are Integer and q ≠ 0Chapter: Polynomials 1. Define the following terms and give example of the following -: a) Monomialb) Binomialc) Trinomiald) Constant polynomiale) Linear polynomialf) Quadratic polynomialg) Cubic polynomial f) Biquadratic polynomial2. The Polynomial P(x) = x4 - 2x3+3x2-ax+3a-7When divided by (x+1), leaves the remainder 19. Find the value of a. Also, find the remainder, when p(x) is divided by (x+2) 3. Learn and write all the Algebraic Identities given in your textbook. Solve the following by using suitable identities a) (104)3 b) 25x2 + 4y2 + 9z2 – 20xy – 12yz +30 zx c) If a+b+c = 9 and ab +bc+ ca = 40, then find the value of a2+b2 +c2 d) 105×106 (without multiplying directly) e) If a + b =12 and ab= 27, find the value of a3+b34. If x2+ 1 x2= 7, Find x3+1/x3 , using the positive value of x+1/x.5. The polynomials 3x3 + ax2+ 3x + 5 and 4x3 + x2 – 2x + a leaves remainder R1 and R2, when divided by (x-2) respectively, if R1-R2=9, find the value of a .6. Do all the worked out examples from the chapter [NCERT]ACTIVITIES-:Chapter - Real Numbers Construct a square root spiralChapter – polynomialVerify the Algebraic Identity by paper cutting and pasting (a+b)2 = a2 + b2 + 2ab SOCIAL SCIENCEStudents are requested to do their homework in scrapbook only.Q1. Preparation of 5 questions of 1 mark not MCQ from the following chapters:-French RevolutionIndia Size and locationWhat is democracy and why democracyThe story of village Palampur.Q2. On the outline map of India locate the following :-Neighbouring countries of IndiaPalk straitTwo island country of IndiaQ3. On the outline map of France locate the following:-ParisBordeauxNantesQ4. Revision of four above chapters for periodic test.Q5. Collect & paste atleast 5 pictures &news related to election RMATION TECHNOLOGY (IT)All assessments and exercises of unit 1 must be done in your computer notebook.Session 1 to 5 of unit 2 must be completed in your computer notebook. ................
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