2015

Bhartiyam International School

Winter Holiday Homework

Bhartiyam International School

Holiday homework (2014-2015) Subject: ENGLISH

Class :IX Name : ______

I. Make a collage on an A3 size sheet or chart paper (A 3 size only).

Use powerful visuals/photographs cut out from newspapers and/or

magazines and sayings/quotes/slogans made from alphabets/whole

slogans or quotes cut out from magazines/ newspapers etc. There

should be bare minimum use of poster colors and sketch pens. Ensure

that the colour scheme is visually pleasing and eye catching. Use any

ONE of the following socially relevant themes:

a. Save the girl child/Stop female foeticide

b. Save the environment

c. Educate the girl child

d. Stop child labour

e. Global warming

II. Read the remaining chapters of Gulliver’s Travels. Write its

summary in a booklet form. You will be evaluated on the same.

III. Research on, select and paste any one poem of at least 20 lines by

any one of the poets whose poems are in your Literature Reader:

Robert Frost/ Wordsworth/Tennyson/Kahlil Gibran/Shakespeare in

A4 size paper.

Q 1. Write a critical appreciation of the chosen poem.

Q 2. Learn the poem to be recited in class for the poem recitation.

Bhartiyam International School Holiday homework (2014-2015)

Subject: HINDI

Class :IX

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Bhartiyam International School HOLIDAY HOMEWORK (2014-15)

Subject: Mathematics

Class: IX 1. A hemi spherical bowl of internal diameter 36 cm contains a liquid.

This liquid is to be filled into cylindrical shaped bottles of radius 3 cm

and height 6 cm. How many bottles are required to empty the bowl?

2. The radii of the internal and external surface of a metallic spherical

shell are 3 cm and 5 cm, respectively. It is melted and recast into a

solid right circular cylinder of height 102

3 cm. Find the diameter of the

base of the cylinder.

3. A solid consists of a cylindrical section of length 6.5 cm and

surmounted by a cone at one end, a hemisphere at the other end.

Given that common radius is 3.5 cm and total height of the solid is

12.8 cm, find the volume of solid.

4. Determine the ratio of the volume of a cube to that of a sphere which

will exactly fit inside the cube.

5. 30 circular plates, each of radius 14 cm and thickness 3 cm are placed

one above the other to form a cylindrical solid. Find :

I. Total surface area II. Volume of the cylinder so formed.

6. A classroom 7m long, 6.5 m wide and 4 m high. It has one door 3 m x

1.4 m and three windows each measuring 2 m x 1 m. The interior

wall is to be colour washed. Find the cost of colour washing at the

rate of Rs 3.50 per m2.

7. The percentage of marks obtained by a student in examination is

given below.

Find the probability that the student gets :

I. A first class in a subject (at least 60% marks) II. A distinction in a subject (75% above)

III. Marks between 70% and 80% in a subject

8. The number of deaths due to drugs in different cities are given below:

Find the probability of a city in which :

I. More than 70 people die

II. Less than 70 people die III. At least 60 people die IV. What lesson did you learn from the above information?

9. 500 persons took a dip in a rectangular tank which is 80 m long and

50 m broad. What is the rise in the water level in the tank if average

displacement of water by a person is 0.04 m3?

10. If h, c and v are the height, curved surface area and volume

respectively of a cone, prove that 3vh3 – c2h2 + 9v2 = 0

11. The diameter of a sphere is decreased by 20%. By what per cent will

curved surface area decrease?

12. Construct a ∆ ABC in which BC = 5.6 cm, < B = 30˚ and the difference

between the other two sides is 3 cm.

13. A coin is tossed 80 times with the following outcomes: head : 35

times and tail : 45 times. In a single throw of a coin, if E is the

event of getting a head, verify that P(E) + P(not E) = 1.

14. Construct a ∆ ABC in which base BC = 5.2 cm, < B = 60˚, and AB + AC =

7.6 cm.

15. Construct a triangle whose perimeter is 15 cm and sides are in the

ratio 3: 4: 5.

16. A copper wire of diameter 6 mm evenly wrapped around on a

cylinder of length 15 cm and diameter 49 cm to cover its whole

Examination subjects

I II III IV V

% marks 58 64 76 62 85

City A B C D E F

No.of deaths 52 60 65 75 80 72

surface. Find the length and volume of the wire. If the specific

gravity of copper is 9 g per cu. Cm, find the weight of the wire.

17. A lead pencil consists of a cylinder of wood with a solid cylinder of

graphite fitted into it. The diameter of the pencil is 7 mm, the

diameter of the graphite is 1 mm and the length of the pencil is 10

cm. Calculate the weight of the whole pencil, if the specific gravity of

the wood is 0.7 g/cm3 and that of the graphite is 2.1 g/cm3

18. The volume of two spheres are in the ratio 64 : 27. Find the

difference of their surface areas if the sum of their radii is 7 cm.

19. Construct a triangle ABC such that BC = 6 cm, AB = 6 cm and median

CD = 4 cm.

20. The paint in a certain container is sufficient to paint an area equal to

9.375 m2. How many bricks of dimensions 22.5 cm x 10 cm x

7.5 cm can be painted out of this container?

Holiday Assessment of Inter Class Competition

Little Editor: Make Your Own Newspaper

A special competition for budding Editor at Bhartiyam

Make your own newspaper minimum of 4 pages with the title of your

choice.

Instruction to be followed:

1. Make use of A-3 sheets for making newspaper.

2. Make sure that the name of the newspaper should not be copies from

anywhere, it should be self made.

3. Handmade pictures or cuttings can be used anywhere in the newspaper.

4. The colour choice should be decent and attractive.

5. Font size:

6. Heading should be written in bold and there font size of heading should

be different from text.

7. The newspaper should include following sections : Sports, Literature,

International news, National news, Business/finance/economy, Politics,

Weather, Classified ads, Entertainment/comics/crossword

puzzle/horoscope, Arts, culture, literature, Tourism/travel tips,

Computers, Automobiles, Style/fashion, Cooking/cuisine,

Health/medicine, Magazines and other supplements, Science Technology.

Sample – 1 Sample – 2 Sample – 3

Bhartiyam International School HOLIDAY HOMEWORK (2014-15)

Subject: Science

Class: IX Chemistry

1. State the postulates of

I. Dalton’s theory

II. Rutherford’s model

III. Bohr’s atomic model

IV. What objections were raised against Rutherford’s model

of the atom? Who eradicated these drawbacks from

Rutherford’s model?

2. Verify by calculating that

I. 5 moles of CO2 and 5 moles of H2O do not have the same

mass.

II. 240g of calcium and 240g of magnesium elements have a

mole ratio of 5:3.

(At mass H=1u, Ca=40u, Mg=24u)

3. An ion X2- contains 10 electrons and 8 neutrons. What are the atomic

number and the mass number of the element X?

4. Learn the atomic number and atomic masses of 1-25 elements of the

periodic table.

Physics

1 Read the activities listed below. Reason out whether or not work is done in

the light of your understanding of ‘work’.

(a) Seema is swimming in the pond. (e) An engine is pulling a train.

(b) A donkey is carrying a load on his back. (f) Food grains are getting dried

in the sun.

(c) A windmill is lifting water from a well (g) A sailboat is moving due to

wind energy.

(d) A green part is carrying out photosynthesis.

2. What will happen to the amount of work done if?

(a) The magnitude of the force applied is increased?

(b) The displacement of the body is reduced?

3. From the following activities listed below, state whether or not the work is

done. Give reasons also.

(a) An apple is falling off a tree. (f) A man is holding a bucket of water.

(b) A girl is pushing a book on a table. (g) A coolie is lifting a load on his head.

(c) A horse is pulling a cart. (h) A cat is flying due to moving air.

(d) Sunil is reading a book. (i) A man is climbing the stairs.

(e) A man is pushing a wall (j) A ball is thrown upwards in the air.

4. When is the work done by a force on a body said to be positive? Give 2 examples.

5. When is the work done by a force on a body said to be negative? Give 2 examples.

6. State with reason whether the work done in following is positive or negative:

(a) Work done by a man in lifting out of the well a bucket tied by means of a rope.

(b) Work done by gravitational force in the above case ‘a’. (c) Work done by friction on a body sliding down an inclined plane.

(d) Work done by applied force on a body moving on a rough horizontal plane with uniform velocity.

(e) Work done by resistive force of air on a vibrating pendulum to bring it to rest.

7. Define one-joule energy.

8. Explain with help of an activity

(a) A moving object possesses energy and can do work.

(b) An object moving faster can do more work than an identical object moving relatively slow.

9. Derive the formula for kinetic energy : KE = 1/2mv2

10. How is the kinetic energy of a moving body affected if its velocity is tripled?

11. What would have a greater effect on kinetic energy of an object – doubling the mass or doubling the velocity?

12. A stretched spring can do work. Explain with help of an activity.

13. What happens to the potential energy of a body if

(a) Its mass is tripled? (d) It is lowered halved to its original height?

(b) Its mass is reduced to one-fourth? (e) The body is taken from the poles to the equator?

(c) It is raised four times the original.

14. Give reasons:

(a) Winding the spring of our watch, the hands of the watch move,

(b) A bullet is released on firing the pistol.

(c) An arrow moves forward when released from the stretched bow.

15. What kind of energy transformation takes place in the following gadgets?

(a) Solar cell (b) telephone (c) electromagnet (d) electric heater

16. Prepare an electricity bill of your house for the month of Dec 2014. Take due

care of the electric appliances and their daily usage.Rate of electricity Rs

3.00/unit for first 200 Units and their after Rs 3.75/ unit.

Biology

1. To read and learn chapter-7, Diversity in living organisms.

2. Go through the experiment no-29 and 30 from the lab manual and

answer the following questions:

i. What are rhizoids?

ii. What is the group of pinus plant?

iii. Frogs do not have gills yet they can live for a long time

buried in mud or water. How do they respire?

iv. Name the different parts of pinus plant.

v. Name two adaptations which cockroach has for terrestrial

life.

vi. Frogs and toads can see very well in water but we could not

see. Why?

vii. Chameleon is adapted to which habitat

viii. Name important aerial adaptations of birds.

Note: Assignment to be done in notebook of biology and chemistry

respectively.

Revision test will be conducted for chapter- Diversity in living

organisms and Experiment no. 29 and 30 of biology after winter breaks.

Subject: Social Science

Class: IX

1. Critically analyse the given programmes and policies of the Government

with your observation and justification. ( Word

limit:200)

a. Project Tiger

b. Ganga Action Plan

c. MNREGA

d. Saansad Adarsh Gram Yojana

e. National Food for Work Programme

(Note: Use separate A4 sheet for each write-up)

2. Form minimum 10 questions along with the answers from each chapter

taught in class for SA2.