GURU HARKRISHAN PUBLIC SCHOOL VASANT VIHAR NEW DELHI HOLIDAYS HOME WORK

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GURU HARKRISHAN PUBLIC SCHOOL VASANT VIHAR NEW DELHI HOLIDAYS HOME WORK - 2018-19 CLASS IX NOTE : Homework should be done in A4 size sheets & should be put up in a separate folder for every subject.

1 GURU HARKRISHAN PUBLIC SCHOOL VASANT VIHAR NEW DELHI HOLIDAYS HOME WORK CLASS IX NOTE : Homework should be done in A4 size sheets & should be put up in a separate folder for every subject. ENGLISH 1. Design an English magazine which should have the following requirements : a) An attractive cover page b) Name of the magazine c) An article on hygiene d) A small story e) Jokes f) English riddles g) Advertisement h) Idioms and proverbs i) Crosswords/ Puzzles j) Famous sayings of the eminent personalities 2. a) Describe your favourite place. b) Describe your favourite person. 3. Write a story beginning with the leading sentence - Walking down the long corridor I saw... - I went to see off my friend at the railway station and... Page 1 of 7

2 HINDI Page 2 of 7

3 PUNJABI Page 3 of 7

4 SCIENCE (PHYSICS) Q1.The odometer of a car reads 2000km at the start of a trip and 2400km at the end of the trip. If the trip took 8h. Calculate average speed of the car in km/hr and m/s. Q2.Starting from rest, Ravi paddles his cycle to attain a velocity of 6m/s in 30s.Then he applies brakes such that the velocity of the cycle comes down to 4m/s in next 5s.Calculate the acceleration of the cycle in both cases. Q3.An object starting from rest travels 20m in first 2s and 160m in next 4s.What will be the velocity after 7s from the start. Q4.Derive second equation of motion graphically. Q5.The velocity time graph of a body is a straight line parallel to the time axis. What does it signify? Q6.What is represented by area under velocity time graph of a body? Q7.An object is dropped from rest at a height of 150m and simultaneously another object is dropped from rest at a height 100m.What is the difference in their height after 2s if both objects drop with same acceleration?how does the difference in heights vary with time? Q8.A satellite revolves around earth at a distance of Km.Evaluate distance and displacement after one complete revolution. Q9.Give differences between uniform acceleration and non-uniform acceleration. Q10.The brakes applied to a car produce a acceleration of 6m/s 2 in the opposite direction. If the car takes 2s to stop after the brakes calculate the distance it travels during this time. 11 Project for Roll No Evaluate pressure exerted on the plain surface by science, maths & social science books of class 9 th using its different faces. Compare pressure differences with respect to different faces. CHEMISTRY 1. Compare the properties of solids, liquids and gases in a tabular form. 2. Draw very neat, colorful and well labelled diagram for the following Page 4 of 7

5 (a) To show that one crystal of potassium permanganate is made of millions of tiny particles. (b) To illustrate the process of sublimation. (c) To show the particles of solids, liquids and gases. 3. Name the processes (a) Solid changing to liquid. (b) Solid changing to gas. (c) Gas changing to solid. (d) Liquid changing to solid. (e) Gas changing to liquid. (f) Liquid changing to gas. (g) Intermixing of different types of particles. 4. (a) List the properties of liquid that are common with gases. (b) List the properties of liquids that are common with solid. 5. Project for Roll No Note down the temperature of any 10 consecutive days. Convert the temperature from degree Celsius scale to Kelvin scale and Fahrenheit scale. BIOLOGY Q1 Draw a plant cell and label the parts which: A. Determines the functions and development of the cell. B. Packages materials coming from the endoplasmic reticulum. C. Is site for many bio chemical reactions necessary to sustain life? D. Is a fluid contained inside the nucleus? Q2 Name the tissue that makes husk of coconut. Write three Characteristics of this tissue. Q3 Water hyacinth float on water surface. Explain. Q4 Give the names of the following:- A. Tissue concerned with the conduction of food materials. B. Tissue capable of cell division. C. Minute pores present in the epidermis. Q5 What is xylem? Name the four elements of xylem and write Function of it. Q6 Project for Roll no. 30 onwards Give a constructive way of dealing with plastic waste. To what use re-cycled plastic be put? How does it help to save our environment? Page 5 of 7

6 MATHS Do all the activities in a scrapbook. NCERT book page number is given for reference. Q1 Prove angles opposite to equal sides of an isosceles triangle are equal through an activity. (Pg-121) Q2 Prove inequalities in a triangle through activity method.(pg-129) Q3 Prove properties of a parallelogram through paper cutting and pasting.(pg -139) Q4 Prove parallelograms on the same base and between the same parallels are equal area through activity method. (Pg-156) Q5 Prove equal chords of a circle are equidistant from the Centre through an activity. (Pg-177) Q6 Write about the mathematician and their contribution in the field of mathematics. 1) Heron (For Roll No. 1-9) 2) Euclid (For Roll No ) 3) Pythagoras (For Roll No ) 4) Archimedes (For Roll No ) 5) Thales (For Roll No. 37 onwards) SOCIAL SCIENCE Make a project on cyclone OKHI Collect information about any one of the following personalities : o NAPOLEON BONAPARTE (For Roll No. 1-15) o KARL MARX (For Roll No ) o ADOLF HITLER (For Roll No. 31 onwards) Give an account of the river Ganga and the Krishna Collect information about the Karnataka Assembly elections May Write a report on Poverty in India covering its causes, magnitude and consequences. Note- 1. One file of project is to be submitted. 2. Rest of the homework to be done on A4 size sheets and put together in a separate file. Page 6 of 7

7 COMPUTER SCIENCE 1. Make a project file on the given topic (The Project may contain pictures) 1. Digital India (For Roll No. 1-12) 2. Biometric Security System (For Roll No ) 3. Cloud computing (For Roll No ) 4. Latest Super Computers (For Roll No. 37 onwards) 2. Make a Chart/ Collage/Presentation/Model on the given topic (Any one) 1. NETWORK TOPOLOGY 2. SECONDARY STORAGE DEVICES 3. VIDEO CONFERENCING 4. CYBER SECURITY 3. Write an article on the given topic in your notebook (100 words) Importance of computer Education Page 7 of 7

ARMY PUBLIC SCHOOL BIRPUR, DEHRADUN HOLIDAY HOMEWORK SESSION: SUBJECT: ENGLISH CLASS: IX

ARMY PUBLIC SCHOOL BIRPUR, DEHRADUN HOLIDAY HOMEWORK SESSION: SUBJECT: ENGLISH CLASS: IX SUBJECT: ENGLISH 1. Read Gulliver s Travels (whole novel). 2. Revise the syllabus done for first periodic in July. 3. Write a book review of ANY book outside your syllabus. (Subject Enrichment) 4. Use