HOLIDAY HOMEWORK 2016-17
Class: VIII
1. INTEGRATED PROJECT:
In accordance with the guidelines of CBSE we are incorporating integrated project based learning
wherein students will prepare projects for all the subjects based on a common theme. This endeavor
has been taken up with the objective of inculcating the approach of integrating diverse subjects or
fields and the spirit of collaborative learning.
THEME: ENVIRONMENT
General Instructions:
 Integrated project of all subjects to be done in Scrap Book (only).
 The areas to be covered are suggested below. You can of course use your creativity and innovation for
new ideas too!
 Credit will be awarded to original drawings, illustrations and creative use of materials.
 The project needs to be developed and presented in this order:
 Cover page showing project title, student information, school and Academic year.
 List of contents with page numbers.
 Acknowledgements (acknowledging the institution, offices and libraries visited and persons
who have helped).
 The works to be done in this sequence only- 1. English, 2. Mathematics, 3. Science, 4. Social
Science, 5. Second Language.
 The last page should have Bibliography/ Sources of information from where you have
collected your information.
ENGLISH
1. Create 2 slogans of your own which focus on conservation of our environment.
2. You are a correspondent of the Daily Newspaper in your city. Submit a report highlighting the pollution
level, the environmental problems faced by the local citizens and what initiatives that have been taken by the
local authorities and the citizens especially focusing on the Swacch Bharat Campaign. (100- 150 words)
CRITERIA FOR EVALUATION:
Innovativeness, Presentation, Creativity, Content and Grammar& Spellings.
MATHEMATICS
1. Select a city and collect the data of maximum and minimum temperature recorded for the duration of past 3
years during summer and winter.
2. Represent the collected data (seasonal variation in temperature) by using Bar graph or Pictorial graph or Pie
graph.
3. Interpret the graph drawn by you. (You may refer www.imd.gov.in)
CRITERIA FOR EVALUATION:
Content, Knowledge & Relevant Data, Presentation, Creativity, Explanation
SCIENCE
1. Make an investigatory project on any one inspirational and famous environmentalist of India / World. The
project should be made on the following guidelines :
 Name and picture of the environmentalist
 Age and Nationality
 Details of the work
 Application and future prospects of his / her work
 How his / her work changed the society / world
 Above content not to exceed three pages.
2. You must have learned about the properties synthetic fibres and plastics. Do, you think plastics are always
bad for environment? Justify your answer.
 Enlist some advantages of plastics and how plastics help us to protect forest.
 Give difference between biodegradable and non-biodegradable plastics.
 Can you find more information about non-biodegradable plastics?
 How can you reduce the usage of plastics and polythenes in your surrounding?
 Find out the expansion of the abbreviation related to plastics and polymers like TEFLON,
PTFE, PET, PHB, and PHV.
 Find out the building blocks of the following polymers: POLYESTER, POLYSTYRENE,
POLYTHENE, BAKELITE, and RUBBER.
3. You have studied about force and pressure and learnt that all changes occur due work done by force and
pressure. Which forces or pressures are responsible for the following natural changes causing disaster :
a. Earthquake
d. Cyclone
g. Formation of pressure belt
b. High tide and low tide
e. Tsunami
h. Flood
c. lighting during thunderstorm
f. Trade winds
i. Volcanic eruption.
CRITERIA FOR EVALUATION:
Content, Presentation, Innovation and creativity, Research & Investigation
SOCIAL SCIENCE
1. Write about the Ecological Impact of Industrial Revolution.
2. With the help of pictures write about the hazards of environmental pollution on the health of human beings.
CRITERIA FOR EVALUATION:
Accuracy of Facts, Creativity, Organization & Presentation, Timely Submission
2ND LANGUAGE-HINDI
1.महात्मा गाांधी ने “स्वच्छ भारत” का सपना दे खा था A “स्वच्छ भारत” bl vfHk;ku dks lQy cukus ds fy, vki fdl rjg ls viuk
;ksxnku nsxa s A de ls de nl lq>ko dh rkfydk cukb, A
2 fuEufyf[kr fp= dk o.kZu 120&150 ‘kCnkssa esa dhft, A
CRITERIA FOR EVALUATION:
Presentation, Quality of suggestion, Language Accuracy, Creativity
2ND LANGUAGE-GERMAN
Schreiben Sie 100 Wörter ,wie haben Sie ihre Umgebung und Stadt sauber und schön gemacht.(Write 10 ways
in German to keep your surroundings and city neat and clean in about 120 words)
CRITERIA FOR EVALUATION: Kreativität, Ideen, Pünktlichkeit, Vokabular
2ND LANGUAGE-FRENCH
Ecrivez 10 façons de garder votre environnement propre, faites des phrases en français en 150 mots. (Write 10
ways in French to keep your environment safe and sound in about 120 words)
CRITERIA FOR EVALUATION:
Contenu, Présentation, Ressources & Originalité, Vocabulaire et phrases formation, temps de soumettre.
2. ENGLISH BOOK REVIEW:
General Instruction:
English Book Review needs to be done in stick file/ A-4 sized sheets/coloured pastel sheets.
Read the book, THE SIGN OF FOUR and do the following assignment:
1. Information about the author, your favourite incident or chapter from the book, your reason for
liking the book.
2. Write pen-pictures of the following characters:
a. Sherlock Holmes b. Dr. Watson c. Mary Morstan
3. MATHEMATICS WORKSHEET/EXERCISE:
General Instruction:
Mathematics worksheet/exercise needs to be done in stick file/ Mathematics notebook.
Cubes and cube roots
Choose the correct option (Question No. 1 – 4)
1. The cube root of –64 is
(a) 2 (b) –2 (c) –4 (d) 4
2. 36 is multiplied by x to get a perfect cube. The value of x is
(a) 32 (b) 2 (c) 6 (d) 4
3. Which of the following is a square number and also a perfect cube?
(a) 144 (b) 125 (c) 16 (d) 64
4. The cube root of 1.331 is
(a) 1.1 (b) 0.011 (c) 0.11 (d) 1.01
5. Fill in the blanks
(a) The cube of an ___________ natural number is odd.
(b) The cube of a ___________ integer is negative.
(c) Cube of a natural number along with one zero ends with ___________.
6. Find the cube of
(a) 0.8 (b) 4.3 (c) –5.1 (d)-18 (e)-32
7. Find by using Prime factorization whether the following are perfect cubes?
(a) 13284 (b) 91125 (c) 10648 (d) 17576 (e) 39304
8. Find the least number by which the following must be multiplied to make them perfect cubes.
(a) 1323 (b) 5400 (c) 14400 (d) 2560
9. Find the least number by which the following must be divided to make them perfect cubes.
(a) 53240 (b) 1024 (c) 2187 (d) 5400
10. Find the cube root of
(a) 1331 (b) 3375 (c) 15625 (d) 35937(e) 42875 (f) 13824 (g) 261827(h) -343/ 729 (i) –
0.001331 (j) 0.002197
12. Find the cube root of 216 x 1331.
13. Find the one.s digit of the cube of 3031
14. Cube of any odd number is even. Yes/No. Why?
15. Find the cube root of 27000.
16.
Find
the
cube
root
of
17576.
17. Anubhav makes a cuboid of plasticine of sides 5 cm, 3 cm, 5 cm. How many such cuboids will he
need to form a cube?
18. Is 5488 a perfect cube? If not, find the smallest natural number by which 5488 must be multiplied
so that the product is a perfect cube
19. Is 5324 a perfect cube? If not, then by which smallest natural number should 5324 be divided so
that the quotient is a perfect cube?
Squares and Square roots
Choose the correct option:
1. Which of the following is a perfect square number?
a. 2061 b. 23453 c. 222222 d. 1057
2. Which of the following would end with digit 1?
a. 1232 b. 1612 c. 822 d. 772
3. The squares of which of the following would be odd numbers?
a. 434 b. 2826 c. 7779 d. 82004
4. Without adding, find the sum. 1 + 3 + 5 + 7 + 9
a. 16 b. 9 c. 36 d. 25
5. Without doing any calculation, find the numbers which are surely perfect squares.
a. 441 b. 257 c. 408 d. 153
Fill in the blanks:
6. Numbers like 1, 4, 9, 16, and 25 ... are known as ___________.
7. All square numbers end with __________ at unit’s place.
8. When a square number ends in _______, the number whose square it is, will have either 4 or 6 in
unit’s place.
9. Square numbers can only have _________ number of zeros at the end.
10. Find the perfect square numbers between 30 and 40.
11. Find the smallest number by which 9408 must be divided so that the quotient is a perfect square.
Find the square root of the quotient.
12. Find the least number that must be subtracted from 5607 so as to get a perfect square.
13. Is 23453 a perfect square?
14. Without calculating square roots, find the number of digits in the square root of 305809.
15. Without adding, find the sum: 1+3+5+7+9.
16. How many numbers lie between squares of 30 and 31?
17. Find the square root of 144 by using method of repeated subtraction.
18. Find the smallest number by which 2100 must be multiplied so that the product becomes a perfect
square. Find the square root of the number so obtained.
19.
11025 students are sitting in a lawn in such a way that there are as many students in a row as
there are rows in the lawn. Find the number of rows in the lawn.
20. Find the greatest number of five digits which is a perfect square.
21. Find the least number which must be subtracted from 45156 to make it a perfect square.
22. Find the square root of 39.0625 by division method.