Despite of sun we all can

have fun…………….

So, Vacation is here for a

sweat retreat…….

Dear Students

Holidays are meant

to give you a brief respite

from the gruelling routine

and to rejuvenate you, but

you must ponder on few

things.

Follow Mantra’s of

peaceful life i.e. to wake

up early and practise yoga

for 20 minutes a day.

Eat all summer fruits

on regular basis.

Drink plenty of water,

relish juices and

shakes.

Avoid eating junk

munchies.

Protect yourself from

scorching sunlight and

avoid going out in sun.

(Wear sunglasses and

cap if necessary)

Assign a permanent

workplace and

worktime. This brings

system and discipline

to your life.

Excel your strengths

and work on your

weaknesses to be

remarkable in every

field.

Enhance and inculcate

creativity and

innovation in the

assigned homework.

(Most innovative and

creative work will be

appreciated)

Enroll yourself to

something new. Join

hobby classes and

summer camps to

develop holistically.

8th

Note:

Summer Vacations will start from 1st

June 2019.

Do your homework neat and clean.

School will reopen on 24th June 2019.

Summer Vacation homework is to be

submitted by 27th June 2019. Grades

for same will be awarded in the

internal assessment.

Do the following questions on A4 sheet in a decorative way.

1. Write useful and harmful effects of various microorganisms. (At least 5 each)

a. With its uses paste pictures.

b. Collect information about antibiotics which are banned by various countries and why? (At least 5)

2. Study about “Shakti Mission” of India, collect the following information and write.

a. How are they classified?

b. Function of satellites.

c. Uses of satellite.

d. Disadvantage of satellite.

3. Study about Hybridized variety of plants and animals. Answer the following.

a. Name the hybridized species.

b. What are its characteristics?

c. Who developed it and where was it developed?

4. Explain the importance of gravitational force in the existence of life on earth.

5. Explain 10 useful examples of atmospheric pressure.

6. Read and prepare 20 main points from lesson 1, 2, 3, 5 & 11. Also learn question answer.

7. Study about frictional force from every day life. Where is it useful and harmful? Explain.

8. Design a poster depicting the three R’s of plastics to save environment.

9. Make a chart of Nitrogen Cycle OR Petroleum Refining.

10. Learn the viva questions from lab manual of lesson 1, 2, 7, 9 & 10.

Activity

11. Take plastic bottles of different sizes and shapes. Make holes at different position and fill them with water.

Investigate the effect of the following on the pressure of water stream coming out.

a. Shape of the bottle

b. Size of the hole

c. Position of the hole

d. Level of water

12. Collect some bottles of Jams, Jellies, pickle, food cans and food wrappers. Read the packing details carefully and

find out about the contents, preservatives used and date of manufacturing and expiry. Are there some more

information given? If so, mention that also.

Paste the wrappers and tabulate the information below it.

13. Interview your grandmother or grandaunt and find out how they used to preserve food when there were no

refrigerators and factories making preserved foods.

Model

14. Make only one working model from the given topics.

a. Pollution-Preventive methods.

b. Global Warming

c. Conservation of Energy

d. Technology on Agriculture

e. Science in everyday life.

OR

Make only one non-working model from the given topics.

a. Plant and animal cell (By using

food grains & clay)

b. Human Eye (By using clay)

c. Human Ear (By using clay)

d. Electroscope

e. Refining of Petroleum

1. Design your own newspaper including the following details.

News headlines of May and June.

Article on ‘Cyclone Fani’.

Advertisements

Riddles with crossword

Sports Column

2. Make a collage based on any two events during the World War I (Use A3 size sheet).

3. Suppose you were one of the victims of Tsunami. Write a diary entry for the same on A4 size sheet.

OR

Make a project on the Earthquake prone areas of the world. Also write the reasons for the same.

4. Make a chart on ‘Tenses’.

5. Do Question 1of Page nos. 5, 6, 8, 10, 15, 16 & 18.(Compacta)

6. Do Practice of Tenses in separate Notebook (Subject Verb Agreement).

7. Make a beautiful bookmark for your literature reader. Decorate it and write an inspirational quotation which

inspires you.

1. Find the distance between sun and all planets and write it in exponential form.

2. Make a comparative study of the point table of various teams of IPL (2019) and represent in form of bar graph.

3. Learn and write cubes and squares of numbers 1 to 30.

4. Make two puzzles based on squares and square roots.

5. Write biography of two Indian Mathematicians with their achievements.

6. Make a project on “Uses of Mathematics in our Daily Life” with 10 examples.

7. Do activity 1to 4 from Laboratory Manual in Maths Notebook.

Assignment Work

1. Find the value of m, if −4

5

6÷

−4

5

2𝑚 =

−4

5

3.

2. Solve: 473 × 67 + 473 ×33 by using distributive property.

3. What is the value of −110253

× 28353

4. What is the value of A : 6125 × 𝐴 3

= 35

5. There are two numbers such that sum of the numbers is 50 and the difference is 14. Find the difference of their

cubes.

6. Find 110 + 121

7. Find the Pythagorean triplet whose smallest member is 12.

8. Find the least perfect square divisible by each one of 8, 9 and 10.

9. Find the decimal fraction which when multiplied by itself gives 176.252176.

10. Ranjit makes a cuboid of plasticine of sides 5cm, 2cm and 5cm. How many such cubes will he need to form a

cube.

11. Find twenty rational numbers between 2

3and

4

5 .

12. Write in standard form :

(a) Size of bacteria is 0.00001275m . (b)The speed of light is 300,000,000m/sec.

13. Evaluate : 64

1331

3

14. If 3𝑥−1 = 81 then find 𝑥𝑥 .

15. If 2𝑥 + 4 – 2𝑥+2 = 3 then find .

16. The scale of a map is given as 1:30000000. Two cities are 4cm apart on the map. Find the actual distance

between them.

17. Divide the sum of −13

8and

5

12by their difference.

18. The product of two numbers is 7260. If one number is 15 times the other number, find the numbers.

19. Simplify: 5×3𝑛+1−4×3𝑛

5×3𝑛+2−4×3𝑛+1

20. If 3p-1 ÷ 81 = 32p-1 then find the value of p .

21. By what rational number should be divide (−2

9) to get (-1) ?

22. Evaluate: 41+ 42 + 43+ 44.

23. If y be the reciprocal of the rational number 𝑥, then find the reciprocal of y.

24. If (−5

7)ˉ⁴× (

−5

7 )¹² = {

−5

7

3}𝑥 × (

−5

7 )ˉ¹ , find value of 𝑥.

25. Find the greatest number of six digits which is a perfect square.

26. By what smallest number should 18252 be multiplied so that the product becomes a perfect cube? Also find the

cube root of the product.

27. Write in Standard form :

a) 1 micron is equal to 1

1000000 m.

b) Diameter of a wire on a computer chip is 0.000003 m.

28. Find (𝑥 + y) ÷ (𝑥 − y) where 𝑥 = 3

4 and y =

−7

4 .

29. Find the value of 45 20.

30. Find square root of 106929 by division method.

31. Two numbers are in ratio 5:4 . If difference of their cubes is 61, find the numbers.

32. Write the quotient when the sum of a 2 digit number 39 and number obtained by reversing the digits is divided

by:

a) 11 b) Sum of digits

33. A monkey could climb 6m of a round pole in 1 minute but slipped 3m in the next minute. What time

will it take him to reach the top of the pole which is 21 m long?

34. Find the volume of a cubical box if the cost of painting its outer surface is Rs.1440 at the rate of Rs.15 per sq.

m.

35. Show that 676 is a perfect square. Find the number whose square is 676.

36. Find the least square number which is exactly divisible by each of the following 20, 15, 6 and 9.

37. Find a Pythagorean triplet whose one member is 101.

38. (a) Find square root of 20736 by prime factorization method.

(b) Find square root of 4064256 by long division method.

39. In a right angle triangle ABC, ∠B = 90°. If AB = 6cm, BC = 8cm, Find AC.

40. Find the square root of 5 upto 5 decimal places.

41. Find the difference between largest and smallest of the fractions 11

16 ,

6

11 and

3

8

42. By which smallest number 37044 be multiplied so that the perfect is a perfect cube?

43. A General wishes to draw up his 36581 soldiers in the form of a solid square. After arranging them he found

that some of them are left over. How many are left?

44. What should be added to − 7

12 to get

5

6 ?

45. If P = −4

5 , Q = −

8

7 and R= −

15

8 ,then verify that P x ( Q – R) = P x Q – P x R

46. If 4𝑚 +

14 . 2.2𝑚

2 × 2−𝑚

1

𝑚 = 2k find 2k-2.

47. Solve 𝑥𝑝

𝑥𝑞 𝑝+𝑞

× 𝑥𝑞

𝑥𝑟 𝑞+𝑟

× 𝑥𝑟

𝑥𝑝 𝑟+𝑝

.

48. Simplify : 25 ×𝑡−9×10

3125×𝑡−8 .

49. By what number should 3

−5 −7

be divided to get −5

3

4?

50. Find 𝑥 if −2

3 −18

× −3

2

9=

−2

3

3𝑥−7.

1 . Make a paper collage on ‘Forest wealth’ highlighting causes of degradation and measures to conserve forest

wealth.

2. Design a poster highlighting energy conservation tips which you would like to implement at your school.

3. Collect information about “Ayushman Bharat Yojna” started by government and write a report on A4 size

sheet.

4. Make a club with your family members and friends and do exercise in the morning in any park. Click some

photos doing different exercises. Prepare a collage with these pictures.

5. Complete page no: 21 to 43 in Map Practice.

6. Learn –Chapter -1 to 4 (History), Chapter – 1,2 (Geography), Chapter – 1,2 (Civics)

7. Prepare a report on “Lok Sabha Election – 2019” and answer the following questions:

a) Who is the present Election Commissioner of India?

b) Which party won Lok Sabha election 2019?

c) What is EVM and when was it used first time?

d) What is VVPAT?

e) Write the number of Lok Sabha seats in each State and Union Territory.

f) Write the number of Lok Sabha seats won by different political parties in different State and Union Territory

g) What is the function of Election Commission? How does it monitor elections?

h) Define the following: Election campaign, Election Manifesto, Election Petition.

i) Who gives symbols to party?

j) What is voting age in India at present and what was it earlier?

k) Write full form of the following: NDA, UPA, AIADMK, TMC, BJP, SP, BSP, CPI,INC, TDP,SAD.

8. With the help of a globe or an atlas, observe the location of any five countries of the following continents

a. Asia b. Africa c. Europe d. South America

Locate these countries on the map of world and paste on A4 size sheet. Write information about currency,

capital and language of these countries.

9. Paste a political map of India showing all the states, capitals and neighbouring countries.

10. Paste a political map of Haryana showing all the districts with headquarters.

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Note: Do your holidays homework on A4 size sheet.

1. Write about any five online service which we use

in our daily life.

2. Write application of computer in the field of :-

Science and Technology

Communication

In school and class rooms

Medical Science

Space Aviation

3. Write atleast 20 shortcuts keys used in MS Office.

1. Draw the following on A4

size sheet (a) Clean India , Green India

(Poster)

(b) Indian Tourism(Painting)

(c) My ideal man/woman(Pencil

sketch)

1. Read Newspaper daily and prepare 100 current affair questions from 1st June to 20th June.

2. Write 20 new good thoughts.

1. Do ten question from each topic – Ch.1 Series completion & Inserting the missing character, Ch.3 Coding Decoding , Ch.15 Dot Situation, Ch.2 Analogy & Classification , Ch.4 Blood Relation , Ch.12 Figure Matrix.