MODERN B.P PUBLIC SCHOOL

SUMMER BREAK HOMEWORK OF CLASS IX ENGLISH

1)  Read English newspaper daily and cut five article from the old newspapers and paste them in a notebook.

2)  Make a chart of ‘Tenses’

3)  Write article on the following topics.

a)  Junk Food

b)  Importance of Sports and Games.

c)  Ban ‘Child Labour’.

d)  Problem of Obesity

4)  Complete the following stories with the help of the beginning lines.

1.  It was very stormy night. I was alone ______

2.  Last evening, I went to the market. I saw crowd ______.

3.  Once there was a farmer. He had four sons ______

5)  Read volume, I and II of Novel Gulliver’s Travels

6)  Revise all syllabus done in the class.

SUMMER BREAK HOMEWORK OF CLASS IX SCIENCE

1.  Give an example of uniform circular motion.

2.  If on a round trip, you travel 6 km and then arrive back home, Calculate your displacement after completing the trip.

3.  Which force governs the motion of moon around the earth?

4.  Define osmosis.

5.  Why does (second)2 occurs in the unit of acceleration?

6.  What are the two dissimilarities between plant cell and animal cell?

7.  Gases completely fill the vessel in which they are kept. Give reasons.

8.  State two factors which determine the rate of diffusion of a liquid in another liquid.

9.  How temperature in the celsius and the kalvin scale related? Convert 375 K to Celsius scale.

10. How will you separate a mixture containing Kerosene and Petrol (difference in their boiling point is less than 25 K) Which are miscible with each other? Explain.

11. Explain any three factors which effect the rate of evaporation.

12. After winters people pack off their woolens by keeping Napthalene balls in them. With passage of time there balls become smaller in size. Why does this happen? What type of change is involved during this process?

13. Describe an activity to determine the melting point of ice.

14. Illustrate with an example that evaporation causes cooling?

15. (a) Illustrate with an example that physical and chemical change can take place together.

(b) Which of the following are chemical changes?

i.  Mixing of iron filing and sand.

ii.  Growth of plant

iii.  Rusting of iron

iv.  Freezing of water.

16. Distinguish between a suspention and a colloidal solution in two ways a tabular form giving one example of each.

17. Draw the diagram of smooth muscle cell and a sperm cell. Comment on the variety of shapes of cell by taking additional examples.

18. (a) Describe the term Compressibilty.

(b) Compare and explain Compressibility of air, water, oil and sand.

19. Explain the following terms with an example.

a)  Homogeneous mixture

b)  Heterogeneous mixture.

20. Give one example each of the type of motion when:

a)  Acceleration is positive

b)  Acceleration is negative

c)  Acceleration is zero.

SUMMER BREAK HOMEWORK OF CLASS IX SOCIAL SCIENCE

1.  Make an atlas of the following topics using scrap book of coloured pages.

I.  On the physical map of the world

a)  Continents

b)  Oceans

II.  On the political map of the world locate & label the following countries-

c)  France, Germany, Italy, US.A, U.K, India, China, Japan & Russia.

III. On the physical map of India.

d)  Neighbouring Countries

IV.  On the political map of India

e)  Indian states with their capital

f)  Type of soil

g)  National parks

h)  Wild life & bird sanctuaries.

2.  As you know due to excess use of water we are facing the problem of water scarcity everywhere in India. There is a need of hour to create awareness among people about water harvesting. so make a project about ‘Water harvesting’ and also explain how is it a good measure in over coming shortage of water with the help of examples of the Ralegaon Siddhi and also explain what efforts do you think helped the people of the Ralegaon Siddhi village in Ahmednagar to overcome the problems of drought?

SUMMER BREAK HOMEWORK OF CLASS IX MATHS

1.  Express each of the following decimals in the form pq:

i.  0.585

ii.  23.43

2.  Represent 3.5, 10.5 on the real number line.

3.  Simplify each of the following by rationalizing the denominator:

i.  7+357-35

ii.  16-5

4.  Simplify:

i.  25×24316×8

ii.  16×2-4×216×2-2×2

5.  If a+b = 10 and ab =21 find the value of a3+b3

6.  Simplify x-1xx+1xx2+1x2x4+1x4

7.  If x2 +1 x2 =27 find the values of each of the following:

i.  X +1 x

ii.  X - 1x

8.  If a2+b2+c2 = 250 and ab + bc + ca =3 find a+b+c.

9.  Factorise 2x4 + x3 -14x2 – 19x – 6

10. Plot the following points on the graph paper.

i.  (2, 5)

ii.  (4, -3)

iii.  (-5, -7)

iv.  (7, - 4)

v.  (-3, 2)

vi.  (7, 0)

vii.  (-4, 0)

11. The taxi fair in a city is as follows. For the first kilometer, the fare is Rs. 8 for the subsequent distance it is Rs. 5 per km. Taking distance covered as x km and total fare as Rs. Y. Write a linear equation for this information and draw its graph.

12. If the points A (3, 5) and B (1, 4) lie on the graph of the line ax+by =7 find the value of a and b.

13. Solve the equation 2x+1 = x-3 and represent the solution on:

i.  Number line

ii.  The Cartesian plane

14. In fig 8.39 POS is a line find x

4x

600 400

P 0 S

15. If two lines intersect, then vertically opposite angles are equal. Prove it.

16. In fig 9.19 if QT⊥PR ∠TQR = 40 and ∠SPR = 30 find PRQ and PSQ

P

T

Q S R

17. The angles of Triangles are (x – 40)0, (x – 20)0 and (2X-10)0: find the value of x.

18. In fi8g 8.79 if AB∥CD EF ⊥CD and ∠GED = 1260 find ∠AGE, ∠GEF AND ∠FGE

A G F S

C E D

19. Prove that the angle between internal bisector of one base angle and the external bisector of the other angle of a Triangle is equal to one one-half of the vertical angle.

20. Compute the value of x in each of the following figures.

A

D

B

C

Do Activities in Lab Mannual:-

Activity No. Page No.

1.  6 23

2.  8 25

3.  11 31

4.  16 54

5.  20 60