DAV PUBLIC SCHOOL, PRATAP VIHAR GHAZIABAD

HOLIDAY HOME WORK (2020-21)

CLASS- IX

SUBJECT – ENGLISH

Your holiday homework this year is a fun mix of all the aspects of the language. It has

been designed to ensure that you enjoy and learn at the same time.

1. Write an article on any two topic from the list given below in about 125-150 words.

(a) Environmental issues

(b) Technological development

(c) Women empowerment

(d) Importance of yoga and physical fitness

(e) Brain drain

2. Make a chart of 12 tenses along with the structure, rules and examples of each form.

Example- Simple Present - 1. I play hockey. (Affirmative)

2. I do not play hockey. (Negative)

3. Do I play hockey? (Interrogative)

4. Do I not play hockey? (Negative Interrogative)

3. Choose any 5 difficult words from the chapter 1 to 5 from each book(i.e. beehive and

moments). Write their meaning and also make sentence

Example :Book name - BEEHIVE Chapter name 1- The fun they had

S.NO Difficult word Meaning Sentence

1

2

3

4

5

4. Story writing task-

a) Read the given line and complete the story in 150-200 words. Give a suitable title to your

story.

Last Sunday, I was watching TV. Suddenly I heard people shouting outside………….

b) Aradhnastarted writing a story of “Two boys in a jungle”. Due to the pressure of heavy

engagements, you gave up, after writing a line or so. Taking help from the input given

below and basing on the introduction. Aradhna made, develop a complete story.

Veeru and Karim were young Keralites. Next week their school was going to organise a camp

near a forest in Ponmuddy.......

Outline: went out to explore forest… lost the way… Away from the camp… Cries of animals…

Heard “Trump Trump” sound… A large elephant… trumpted angrily… Came towards them…

A balloon… Started blowing… Big balloon… Hit hard with hand… Bang bang… loud noise…

elephant turned away… saved

Note: - All work to be done in the respective fair grammar notebooks/registers.

HINDI

1- महान कथाकार चन्द्रधर शमाा ‘गुऱेरी’ की लऱखी गई ककसी एक कहानी को ऩढ़िए | उसके उऩराांत कहानी का साराांश , उसके प्रमुख ऩात्रों की विशषेताओां,कहानी की भाषा और उदे्दश्य को अऩने शब्दों में लऱखखए |

2- कहानी के तत्िों (शीषाक,विषय-िस्तु,ऩात्र,िातािरण,सांिाद,घटना और उदे्दश्य) को ध्यान में रखकर कोई एक ऱघु कहानी की रचना कीजिए |

3- आऩके ऩाठयक्रम में ननधााररतप्रत्येक अऱांकार के दो-दो उदाहरण लऱख कर उसे सुांदर चचत्रो से सुसजजित कीजिए।

4. अभी तक कऺा में ऩढाए गए अध्यायों का काया व्यिजस्थत ढांग से अऩनी कॉऩी में करेंगे और ऩाठों की ऩुनरािजृत्त करेंगे |

विषय - संस्कृत

१. आत्मन ्हऱन्त शब्द के रूऩ लऱख कर याद करे |

२. कृ धातु ऱट् ऱकार ,ऱटृ् ऱकार , ऱङ्ग ऱकार ,ऱोट् तथा विधधलऱन्ग ऱकार के रूऩ याद करे ओर लऱखो |

३. ऩाठ १ से ७ मे से तीनो संधधयो का अभ्यास करे तथा सात- सात उदाहरण चनुकर लऱखे |

4. ऩाठ्यक्रम के आधार ऩर क्तत्िा , ल्यऩ ्, तुमुन ्,क्ततितु प्रत्यय का अभ्यास करे |प्रत्येक के चार -चार उदाहरण ऩढे गये ऩाठो से चनुकर लऱखे |

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MATHEMATICS

1. Define Natural numbers, Whole Numbers, Integers, Rational Numbers and Irrational

Numbers with examples.

2. Define Polynomials on the basis of terms as well as degree.

3. Plot the points (0, 4),(4,0),(0,-4) and (-4,0)on the graph paper. Name the figure

obtained on joining these points and find the area of it.

4. Plot the points (4, 1),(--4,1),(--2,-4) and (2,--4) on the graph paper. Name the figure

obtained on joining these points and find the area of it.

5. Mention all the Euclid’s Axioms.

6. Explain all the Euclid’s Postulates.

7. Define a Linear Equations in two variables.

8. Draw the graph of each of the following linear equations in two variables

(a) x = y (b) x = -- y (c) y = 5x (d) x = 4y

9. Explain Standard form of a Polynomial.

10. Draw ART INTEGRATION ACTIVITY on the single graph paper containing square,

rectangle, rhombus and trapezium.

PHYSICS

1. The velocity-time graph (see below Figure) shows the motion of a cyclist. Find (i) its acceleration (ii) its velocity and (iii) the distance covered by the cyclist in 15 seconds.

2. A girl walks along a straight path to drop a letter in the letterbox and comes back to her initial position. Her displacement–time graph is shown in below figure. Plot a velocity–time

graph for the same.

3. There are three solids made up of aluminium, steel and wood, of the same shape and same

volume. Which of them would have highest inertia?

4. Using second law of motion, derive the relation between force and acceleration. A bullet of 10 g strikes a sand-bag at a speed of 103 m/s and gets embedded after

travelling 5 cm.

Calculate

(i) the resistive force exerted by the sand on the bullet (ii) the time taken by the bullet to come to rest.

5. A truck of mass M is moved under a force F. If the truck is then loaded with an object equal to the mass of the truck and the driving force is halved, then how does the

acceleration change?

6. Derive three Equations of Motion using Graphical Method.

ABOVE QUESTIONS WILL BE DONE IN CLASS WORK NOTEBOOK

PROJECT WORK

NOTE: The work should be done on any type of A4 sheet as per your convenience. Keep

the sheets in a folder as it will also consider Portfolio.

1. Toy Car Speed Project

Use toy cars, 3/8 inch washers, meter sticks and books to create an experiment with multiple

variables. Create a ramp (between 20cm to 30cm in height) using books and three meter sticks

that are taped together side-by-side. Place different amounts of masses on the top of the toy

cars. Roll the differently weighted cars down the ramp one at a time, and record the time in

seconds that it took for each car to completely roll downhill. Conduct several trials by

manipulating ramp heights while keeping the mass constant.

Create a data table, graph and a written paper detailing how your experiment follows Newton's

second law of motion.

Write a conclusion also how this project proves Newton's second law, and how it follows the

formula of force = mass x acceleration

2. Explain the Newton’s laws of Motion from the Cricket game.

Above picture, shows that the Cricket game follows all the three laws of motion.

(i) How can we apply the Newton’s law s of motion for a cricket ball. Explain it with the help of

pasting pictures which showing the physics of cricket.

(ii) Why does a fielder in the game of cricket pull his hands backward when he catches a ball?

CHEMISTRY

Q 1. State any ten examples from your surrounding which are colloidal. Name them and

identify the dispersed phase and dispersion medium. Mention the answer in tabular form.

Q 2When ice at -10ºc is slowly heated, temperature of ice gradually increases till 0ºC, the temperature of system remains constant when ice changes into water and then further rises. Explain the observation with the help of graph. Q3. A gas jar containing air is placed upside down on a gas jar containing bromine vapour. It is observed that after some time the gas jar containing air also become reddish brown. (a) Explain why this happens. (b) Name the process involved. Q4.5mL of water was taken in a china dish and a test tube separately. These samples were then kept under different conditions as below: (i) Both samples were kept under a fan (ii) Both samples were kept inside a cupboard. State in which case, evaporation will be faster .Give reasons to your support. Q5.Sea water can be classified as homogeneous as well as heterogeneous mixture.' Q6. Identify the numbers 1,2,3,4.

Q7. (a) Dry ice is kept at room temperature and at one atmospheric pressure. (b) A drop of ink placed on the surface of water contained in a glass spreads throughout the water. (c) A potassium permanganate crystal is in a beaker and water is poured into the beaker with stirring.

(d) A acetone bottle is left open and the bottle becomes empty. (e) Milk is churned to separate cream from it. (f) Settling of sand when a mixture of sand and water is left undisturbed for some time. (g) Fine beam of light entering through a small hole in a dark room, illuminates the particles in its paths. Q8. The teacher instructed three students ‘A’, ‘B’ and ‘C’ respectively to prepare a 50% (mass by volume) solution of sodium hydroxide (NaOH). ‘A’ dissolved 50g of NaOH in 100 mL of water, ‘B’ dissolved 50g of NaOH in 100g of water while ‘C’ dissolved 50g of NaOH in water to make 100 mL of solution. Which one of them has made the desired solution and why? HOME WORK IS TO BE DONE IN CLASS WORK NOTE BOOK

SUBJECT - BIOLOGY

1. Prepare a model to compare plant cell and animal cell using common household items likegrains

and pulses, wool, thread, clay etc.

2. Complete the flowchart with appropriate term/ name/ function.

3. Draw a diagram to show the location of three types of meristematic tissues and also write their

function.

4. Differentiate between parenchyma, collenchyma and sclerenchyma on the basis of their cell

wall. Also draw the diagram of each.

5. In tabular form differentiate between xylem and phloem.

NOTE: THIS HOLIDAY HOME WORK IS TO BE DONE IN THE CLASS WORK NOTEBOOK ==============================================

Subject : Social Science ( History & Political Science)

1. Prepare a Bio sketch of Mahatma Gandhi and Nelson Mandela, two great personalities of the world and explain their contribution regarding their struggle against racial discrimination.

2. List five democratic and five non-democratic countries of the world and compare them. Also show them in the world political map.

3. On the physical map of France locate & level the following places: Bordeaux, Nantes, Paris, Marseilles

4. O n the political map of World locate and label the following places:

Major countries of First World War:

i. Central powers-Germany, Austria-Hungary, Turkey (Ottoman Empire)

ii. Allied Powers-France, England, Russia

Major countries of Second World war:

I Axis powers-Germany, Italy, Japan.

Ii Allied Powers-France, England, USA, Former USSR.

5. O n the political map of World locate and label the following places: Territories under German expansion (Nazi Power):

Austria. Poland, Czechoslovakia, Denmark, Lithuania, France, Belgium

(Note:- Revise all syllabus done in the online classes)

Geography/Economics

Q.1.Every student has to compulsorily undertake one project on Disaster Management .

Topics are:-1) Pocket guide on First Aid OR

2) Earthquake OR

3) Drought ( Any One)

Q.2. On an outline map of India mark and label the following :

(a) Mountain Ranges:- The Karakoram, The Zaskar, The Aravali

(b) Anai Mudi Peaks , Kanchan Junga Peaks

(c) Tropic of Cancer , Standard Meridian

(d) Malwa Plateau , Chhota Nagpur Plateau

Q.3.Define Working Capital? What is its effect on day-to-day farmingactivities?

Q.4. Explain four Non-farming activities in the village Palampur.

COMPUTER SCIENCE

Q1. Do the application based questions:-

i. Rohit Kumar is a Director Marketing of a company which requires him to travel extensively. He has to keep himself updated with the information of head office. He also

prefers to type using a keyboard instead of writing on the screen. Which type of computer

will you suggest him considering the nature of his job?

ii. I am the central Server of an airline company. I interact with customers and answer their queries regarding airline bookings, cancellations, and current flight status. Guess the type

of computer I am.

iii. Which type of computer system is used in appliances that have a digital interface, like microwaves, cell phones, and wrist watches? Kindly suggest.

iv. Dhruv has made a PowerPoint presentation for his science project. He wants to add some sound effects and voices in it. Which input device would you recommend him?

v. ICICI bank uses an input technology to process large amount of cheques quickly and accurately. Which technology does it use?

vi. The Cyber Olympiad Foundation uses a special device for making objective type questions and calculating scores of candidates. What is this device called?

Q2. Write the full form of the following:-

i. PROM ii. CRT

iii. LCD

iv. SRAM v. CPU

Q3. Do practice for Open Office Writer/MS Word for the following:

i. using Find and Replace feature ii. inserting images

iii. Creating shapes using drawing toolbar iv. Inserting tables v. Applying table border

vi. Deleting/inserting the rows/columns vii. Cutting/pasting/moving tables in the document

viii. Taking page preview ix. Page setting features

Do Q1 and 2 in your IT notebook.

Subject – Music

CLASS – IX

Write History of any 2 musical instruments,

Write biography of any 2 Indian musicians,

Draw the keypad and practice alankar 1 to 9 on keypad.

Note- Do all homework in music copy.

Subject – Physical Education

Q What do you mean by yoga? Explain its importance in daily life. Q Write down any five Asanas name and explain them. Q List down the events of track races. Q List down the field events in athletics.

Sub: Art

Attempt the following:

1. Make a landscape using water colors.

2. Make a basket by paper quilling.