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# Category Archives: Class VIII (S-II)

## Hindi VI-X

Hindi VI-X (Autumn Break 2017)

## English, VIII

Read the lesson The Great Stone Face and make a picture story .

## Social Science, VIII

1 Distinguish  between Birth rate  and  Death rate .  “Population  Explosion is  a problem  growing  by the  day” . Justify

1. Enlist the various  sources  on which  the people  of Chennai  depend  on for  water? What is the situation of water supply  in  Chennai?

1. How does the government   manage money  for  Public  facilities?
2. Who was Raja Ravi Varma and what was his contributions to art?
3. Give a detailed description of Imperial art?

## Sanskrit, VIII

इदम् शब्दस्य पुल्लिङ्ग, स्त्रीलिङ्ग , नपुंसकलिङ्ग रूपाणि लिखत |

## Science, VIII

 VIII Describe the various agricultural practices in organic farming followed in our country

## Hindi, VIII

१)सूरदास के बारे में चित्र सहित वर्णन कीजिए.

२)आख और हाथ से संबधित दस-दस मुहावरों का अर्थ
सहित वाक्य लिखिए.

## Maths, VIII

1. Make any two solid shape and find its volume, surface area.

2.Write and factorise any five expressions each of the form a)  (a+b)2 = a2+2ab +b2

1. b) (a-b)2 = a2-2ab+b2
2. c) (a2-b2) = (a+b)(a-b)
3. d) (x+a)(x+b) = x2+(a+b)x+ab

## Science VIII A, B, C

Paste the pictures of micro organisms, write how they are useful and also write their harmful effects.

## Maths, VIII

RATIONAL NUMBERS , LINEAR EQUATIONS IN ONE VARIABLE

1. Which rational number is called identity element for addition of  rational  numbers ?
2. 3x – 3 =   2x  +  2  ,   the   value of x is
1. Write the present age of a mother , if she is 2 years less than  three                  times her son’s age ,if her son’s age is x years.

4 .Which  rational number is multiplicative identity for rational numbers ?

1. If 2x -2 =  x +3  , then   x  is

7 . Find tha value of

8.Evaluate :    +

9.Evaluate :    +

10.Evaluate :     +

## Sanskrit, VII-X

Sanskrit VII-X (Shift-II)

## Social Science, VIII

VIII – Social Science  Holiday homework for Winter Break

1. Write a note on Sardar Bhagat Singh.

2.Describe women’s participation in the national movement.

3.Who was Subhash Chandra Bose?Describe his contribution to the Indian freedom struggle.

4.Describe post partition disturbances.

1. Give an account of the planning for development of the newly Independent India.

6.Write a short note on ‘Non-Alignment Movement’.

## Maths, VIII

Choose  the correct alternative :

1. The parallel sides of a trapezium are 28 cm and 16 cm and its are is 220 cm2. The distance between its parallel sides is

a) 5 cm                                  b) 10 cm                                   c)    15 cm                                d)   20 cm

1.  If an edge of a cube is doubled, then its surface area will become

a) twice                                 b) thrice                 c) 1/4 times                d)   four times

1.  The volume of a cube of edge 01 m3 (in cm3) is

a) 0.000001                           b) 1                        c)    0001                               d)   0.001

1.  The radius of a right circular cylinder is doubled keeping its height   same. The ratio between the volumes of new cylinder and the original cylinder is

a)  3 : 1           b) 4 : 1        c)   2 : 1      d)  8 : 1

1. A rectangular sheet of paper 44cm × 20cm is rolled along its length and a cylinder is formed. Find the volume of the cylinde
1. The diameter of a roller is 80 cm and its length is 126 cm. It takes 750 complete revolutions moving once over to level a playground. Find the area of the playground.
1. A cuboidal tin open at the top has dimensions 20 cm    16 cm   14 cm. What is the total area of a sheet of metal required to make 10 such tin
1. A piece of wire is the form of a rectangle whose length is 52cm and breadth is 36cm. It is cut at a point and bent in the form of a circle. Find the radius of the circle.
1. Find the area of trapezoid whose parallel sides are of lengths 10 cm and 12 cm and the distance between them is 4 cm.
1. The circumference of the base of a right circular cylinder is 176 cm and it is 1 m high. Find the lateral surface area of the cylinde
1. A pole of 8 m height casts a 10m long shadow. Find the height of the tree that casts a 40 m long shadow under similar conditions
1. If a pipe can fill a tank of capacity 50 l in 5 hours. Then how long will it take to fill a tank of capacity 75l
1. If the cost of 20m of a cloth is ` 1600, then what will be the cost of 24.5 m of that cloth.
1. A loaded truck travels 14 km in 25 minutes. If the speed remains the same, how far can it travel in 5 hours?
1. A car takes 4 hours to reach the destination by travelling at a speed of 60 km/h. How long will it take if the car travels at a speed of 80 km/h?

Date of submission: 4 January 2016

## Chemistry VIII C

Shift-II

• Collect the labels from the bottles of jams and jellies. Write down the list of contents printed on the labels.
• PROJECT
• Requirements: 2 test tubes, marker pen, sugar, yeast powder, 2 balloons and lime water.
• Take 2 test tubes and mark them A and B. Clamp these tubes in a stand and fill them with water leaving some space at the top. Put 2 spoonful of sugar in each of the test tubes. Add a spoonful of yeast in test tube B. Inflate the 2 balloons completely. Now tie the balloons to the mouth of each test tube. Keep them in a warm place away from the sunlight. Watch the set up every day for next 3 to 4 days.
• Record your observations and think of an explanation.
• Now take another test tube filled with1/4th   of lime water. Remove the balloon from the test tube B in such a manner that gas inside the balloon does not escape. Fit the balloon on the test tube and shake well.
• Observe and explain.

## Sanskrit VIII

अस्मद् शब्दः।   (द्विवारं लेखनीयम् )

Shift-II