Winter Holiday Assignment. For class 9 th

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1 Winter Holiday Assignment For class 9 th FRENCH HOLIDAY H.W 1. Ecrivez une lettre a votre pere decrivant votre nouvelle ecole. 2. faites les assignments dans le cahier English Holiday H.W 1- Read Gulliver s Travels. 2- Write an article on the following topics in about words in your note-book. (a) The Digital India (b) Sustainable Development Springs out from Sustainable Resources ( c) The Clean India Drive THE DALY COLLEGE, INDORE WINTER HOLIDAY ASSIGNMENT CHEMISTRY CLASS IX (MOLE CONCEPT) Calculation of number of mole from mass Key equation: Number of moles = Given mass of the substance/molar mass of the substance n = m / M 1. Calculate the number of moles in a) 52 g of helium b) 12 g of oxygen gas c) 20 g of water d) 11 g of CO 2 Calculation of mass from the number of moles Key equation: Mass = Number of moles x Molar mass m = n x M 2. Calculate the mass of a) 1 mole of nitrogen atoms c) Mass of 10 moles of sodium sulphate b) 0.5 moles of nitrogen atoms d) 0.5 moles of nitrogen gas Calculation of number of particles (atoms or molecules) from the mass Key equation: Number of particles = Given mass of the subst.x Avogadro constant Molar mass of the subst. N = m/m x N A 3. Calculate the number of a) Atoms in 46 g of sodium c) Molecules in 16 g of solid sulphur b) Atoms in one gram of gold (molar mass of gold = 200g/mol) Calculation of number of particles (atoms or molecules) when moles are given Key equation: Number of particles = Number of moles x Avogadro constant N = n x N A 4. Calculate the number of atoms in a) 0.2 moles of sodium b) 0.4 moles of water 5. A vessel contains 5.6 g of nitrogen gas. Calculate the following quantities if the molar mass of N atoms is 14 g/mol. (i) Moles of N 2 (ii) Number of N 2 molecules (iii) Number of N atoms 6. What is the number of water molecules in a drop of water which weighs 0.06g? 7. The amount of 4.4 g of substance X is reported to be 0.1 mol. What is its molar mass? 8. Which one of the following will have more number of atoms? Show by calculations (i) 100 g of sodium (ii) 100 g of iron ( atomic mass = 56 u) 9. Calculate the ratio of the number of molecules in 32 g of oxygen and 8 g of hydrogen. 10. Find the ratio of the number of molecules in 2 g of oxygen and 7 g of nitrogen. 11. How many moles of hydrogen atoms are there in one mole of water? What is the total number of hydrogen atoms in one mole of water?

2 12. On electrolysis 225 g of water gave 25 g of hydrogen and 200 g of oxygen. In another experiment when 10 g of hydrogen gas was burnt with 80 g of oxygen 90 g of water was formed. Show by calculation the validity of the law of constant composition, THE DALY COLLEGE, INDORE CLASS IX WINTER VACATION HOLIDAY HOMEWORK,2015 QUESTIONNAIRE POVERTY SURVEY Conduct the poverty survey of one family. Paste this in the notebook. Conclusions should be written in the notebook. NAME : FATHER S/ HUSBAND S NAME: ADDRESS: NO. OF FAMILY NUMBER: TOTAL MEMBERS= MALE ADULT FEMALE CHILDREN FAMILY IMCOME= Rs / month House Type House Less Kutcha Semi-Pucca Pucca Urban type Availability of normal wear clothing Less than 2 set of clothes 4 or more but less then 6 2 or more but less then 4 6 or more but less than or more Food Security Less than one square meal per day for major part of the year Normally one square meal per day but less than one square meal occasionally One meal per day throughout the year Two square meal per day with occasionally shortage Enough food throughout the year Number of people literate= Status of the Highest Literate Adult Illiterate Upto primary (Class V) Completed Secondary (Class X) Graduate / Professional diploma Post Graduate / Professional Graduate Labour Force Bonded labour Female and Child Labour Only adult females and no child labour Adults males only Adult male and female Others Means of Livelihood Casual Labour Subsistence Cultivation Artisan Salary Others Children Status Not going to school and not working Not going to school and working

3 Going to school and working Going to school and not working Type of Indebtedness For daily consumption purpose from informal sources For production purpose from informal sources For other purpose from informal sources Borrowing from only Institutional Agencies No indebtedness and possess assets Migration Casual work Seasonal employment Other forms of livelihood Non- migrant Other purpose Type of Assistance required from the government Wage employment/ TDPS( Targeted Public Distribution System ) Self employment Training and Skill upgradation Housing Loan /Subsidy more than Rs. 1 lakh or no assistance needed Others Problem(s) { if any } Conclusions DC, INDORE Physics Assignment for Winter Break Class IX 1. If the force applied on the body distances the body in the opposite direction of force applied then work done is (a) Positive (b) Negative (c) Zero (d) Data incomplete 2. S.I. unit of power is: - (a) J/s (b) Js (c) s/j (d) Js 2 3. What is the work done in lifting a body of mass 5Kg vertically through 9m? (a) 450J (b) -450J (c) 45J (d) 540J 4. How are Joule (J) and ergs (erg) related? (a) 1J = 10 7 erg (b) 1erg = 10 7 J (c) 1J = 10-7 erg (d) None 5. State the difference between Power and energy? 6. If a body is raised to height h then it will posses:- (a) Kinetic energy (b) Potential energy (c) Both (d) None 7. If a 100J of work was done, when a force of 12.5N acts, what was the distance moved by the force? 8. State the law of conservation of energy? 9. A man of mass 50 Kg runs up a flight of stairs having a rise of 5m, is 4s.

4 a) What is the work done by the man? b) What is the average power developed by the man? 10. Derive an expression for the kinetic energy of the body? Calculate the kinetic energy for a body of mass 5 Kg moving a velocity 2.5m/s Derive an expression for the potential energy of the body. Calculate P.E of body of mass 10Kg at a height of 10m. 12. A stone is thrown vertically upwards with a velocity of 40m/s. (a) At what height will its kinetic energy and potential energy be equal? (b) Calculate the P. E. of the body if it s mass = 10Kg The Daly College Winter Vacation Assignment( ) Class IX Quadrilaterals 1. The angles of quadrilateral are in the ratio 3 : 5 : 9 : 13. Find all the angles of the quadrilateral. 2 Show that the diagonals of a square are equal and bisect each other at right angles. 3 Show that if the diagonals of a quadrilateral bisect each other at right angles, then it is a rhombus. 4 ABCD is a rhombus and P, Q, R and S are the mid-points of the sides AB, BC, CD and DA respectively. Show that the quadrilateral PQRS is a rectangle. Area of parallelogram and Triangle 1) P and Q are any two points lying on the sides DC and AD respectively of a parallelogram ABCD. Show that ar (APB) = ar (BQC). 2) D and E are points on sides AB and AC respectively of Δ ABC such that ar (DBC) = ar (EBC). Prove that DE BC. 3) Diagonals AC and BD of a trapezium ABCD with AB DC intersect each other at O. Prove that ar (AOD) = ar (BOC) Circles 1. A circular park of radius 20m is situated in a colony. Three boys Ankur, Syed and David are sitting at equal distance on its boundary each having a toy telephone in his hands to talk each other. Find the length of the string of each phone. 2) If two equal chords of a circle intersect within the circle, prove that the segments of one chord are equal to corresponding segments of the other chord. 3 If the non-parallel sides of a trapezium are equal, prove that it is cyclic. Construction 1) Construct a triangle ABC in which BC = 7cm, B = 75 and AB + AC = 13 cm. 2. Construct a triangle ABC in which BC = 8cm, B = 45 and AB AC = 3.5 cm. 3). Construct a triangle XYZ in which Y = 30, Z = 90 and XY + YZ + ZX = 11 cm. Surface Area and Volume 1) The length, breadth and height of a room are 5 m, 4 m and 3 m respectively. Find the cost of white washing the walls of the room and the ceiling at the rate of Rs 7.50 per m2. 2) The diameter of a roller is 84 cm and its length is 120 cm. It takes 500 complete revolutions to move once over to level a playground. Find the area of the playground in m2.

5 3) A hemispherical tank is made up of an iron sheet 1 cm thick. If the inner radius is 1 m,then find the volume of the iron used to make the tank. 4) The capacity of a closed cylindrical vessel of height 1 m is 15.4 litres. How many square meters of metal sheet would be needed to make it? 5) What length of tarpaulin 3 m wide will be required to make conical tent of height 8 m and base radius 6 m? Assume that the extra length of material that will be required for The Daly College Class IX Computer Science Winter Vacation: Q1. Create a presentation (at least 10 slides) in Openoffice.org Impress on any of the following topics. 1. Food and Health 2. Disaster Management 3. Global Warming 4. Wireless technology 5. Future of Mobile Commerce 6. Convergence Technology 7. Communication Technology 8. 3rd Generation Mobile Telecommunications (3G) DC INDORE WINTER HOLIDAY HOMEWORK 2015 CLASS- IX Write the following experiment in your practical file. The student must remember the following instructions before starting practical work. A] Diagram should always be drawn large,neat & labeled on drawing sheet. B] Write the date of experiment on the top left corner of the page. C] Use only black lead pencil while drawing or sketching diagram. EXPERIMENT 1 : [a] To test the presence of starch in the given food sample. [b] To test the presence of adulterant metanil yellow in dal. EXPERIMENT 2 : To prepare stained temporary mounts of [a] onion peel and [b] human cheek cell, record observation and draw their labeled diagram. EXPERIMENT 3 : To identify parenchyma and sclerenchyma tissues in plants,striped muscle fiber and nerve cells in animal from prepared slides and to show their labled diagrams. EXPERIMENT 4 : To determine the percentage of water absorbed by raisins. EXPERIMENT 5 : To study the characteristics of Spirogyra / Agaricus /Moss / Fern:Pinus and an Angiospermic plant. Draw and give two identifying features of the group belong to.

6 EXPERIMENT 6 : To observe and draw the given specimen Earthworm, cockroach,bony fish and a bird. For each specimen record : [a] one specific Note:- Students those who have submitted this work need not to prepare. History H.W Class: IX Make a project on any one of the following. a) Evolution of clothing in Europe and Americas and Sumptuary laws of France. b) Clothing in Pre-colonial India, Caste restrictions on use of clothes and Changes in clothing under the Colonial rulers c) History of clothing materials Instructions: 1) use appropriate photographs wherever possible 2) Make your project work informative 3) It should not exceed to 10 pages in a scrap book or file. Your project will be as assessed on the following points 1. Creativity -3Marks 2. Content- 5 Marks 3. Neatness-2 Marks 4. Punctuality-3Marks 5. Viva-2

Holiday homework for classes IX

Holiday homework for classes IX D.C. INDORE HOLIDAY HOMEWORK - BIOLOGY CLASS IX 1) Explain (in detail) any one disease caused by each bacteria, virus, protozoa, fungi and genetic abnormality under the