CLASS IX HOLIDAY ASSIGNMENT “A healthy nation is always a wealthy nation.” One can think of a healthy mind only in a healthy body. Both physical and mental well being are the perquisites of great achievement in man’s life!! INSTRUCTIONS/GUIDELINES a) Your full name and class must be written CLEARLY on the folder. b) Make the folder attractive. c) Each item must begin on a fresh page. d) Overall presentation – layout/neatness/grammar/spelling/illustration and handwritten. e) Assignments must be submitted on the first day when the school reopens. f) Compile all the work and submit it in a clear bag. ENGLISH Your holiday homework this year is a fun mix of all the aspects of the language. It has been designed to ensure that you enjoy and learn at the same time. Do the homework in a folder using A4 size coloured sheets and present it beautifully. WRITING + GRAMMAR SECTION 1. Last week you bought an automatic VIP Washing machine from a famous electronic shop Kuwait. Now you find that the machine is not cleaning clothes properly. Write a letter to the dealer, complaining about the same and requesting him to change the Washing Machine at the earliest. (word limit: 150-200 words). 2. The Information Technology has provided new avenues to the students for knowledge, creativity, discovery as well as job opportunities at home and abroad. Computers have brought in a silent revolution. Write an article in 150-200 words showing how the information technology has provided the younger generation with new opportunities, joys of discovery and thrill of creativity. 3. Write an article on each of the following with relevant pictures. Pollution Child labour 4. Write a story in about 150 - 200 words to illustrate ` Do good, get good `
Transcript
CLASS IX
HOLIDAY ASSIGNMENT
“A healthy nation is always a wealthy nation.”
One can think of a healthy mind only in a healthy body. Both physical and mental
well being are the perquisites of great achievement in man’s life!!
INSTRUCTIONS/GUIDELINES
a) Your full name and class must be written CLEARLY on the folder.
b) Make the folder attractive.
c) Each item must begin on a fresh page.
d) Overall presentation – layout/neatness/grammar/spelling/illustration and handwritten.
e) Assignments must be submitted on the first day when the school reopens.
f) Compile all the work and submit it in a clear bag.
ENGLISH Your holiday homework this year is a fun mix of all the aspects of the language. It has
been designed to ensure that you enjoy and learn at the same time. Do the homework
in a folder using A4 size coloured sheets and present it beautifully.
WRITING + GRAMMAR SECTION 1. Last week you bought an automatic VIP Washing machine from a famous electronic shop Kuwait. Now you find that the machine is not cleaning clothes properly. Write a letter to the dealer, complaining about the same and requesting him to change the Washing Machine at the earliest.
(word limit: 150-200 words). 2. The Information Technology has provided new avenues to the students for knowledge, creativity, discovery as well as job opportunities at home and abroad. Computers have brought in a silent revolution. Write an article in 150-200 words showing how the information technology has provided the younger generation with new opportunities, joys of discovery and thrill of creativity. 3. Write an article on each of the following with relevant pictures.
Pollution
Child labour
4. Write a story in about 150 - 200 words to illustrate ` Do good, get good `
5. Read the long reading book `Moments’ and write a summary about each story with
a moral.
6. Pick up 20 words from `BEEHIVE’ [literature reader], find their dictionary
meanings and use them in your own sentence.
7. Give a vivid description about the famous Indo-Anglican writers like Ruskin
Bond, RK Laxman and Mulk Raj Anand and their famous writings.
8. Prepare a scrap book on `the game I like most’ with attractive captions and pictures.
MATHEMATICS
1. If 2a = 3 + 2b, prove that 8a3 – 8b3 – 36ab = 27.
2. Factorise : 4(x2 + 1)2 + 13(x2 + 1) – 12.
3. Factorise : (2x – y – z)3 + (2y – z – x)3 + (2z – x – y)3.
4. a2 + b2 + c2 = 30 and a + b + c = 10, then find the value of ab + bc + ca.
5. If a + b = 11 and a2 +b2 = 61 find a3 + b3.
6.
7. If a – b = 2 and ab = 3 find a3 – b3 .
8. Factorise 25 x2 – 49y2.
9. One of the factor of the polynomial x3 + 4x2 – 3x – 18 is x + 3 then factorise the given
polynomial.
10. Factorise y2 + 10y + 21
11. If x – 2 is a factor of 3x4 - 2x3 + 7x2 – 21x + k. find the value of k.
12. Draw a quadrilateral whose vertices are (3, 2), (2, 3), (–4, 5) and (5, –3).
13. Plot the points P (1, 0), Q (4, 0) and S (1, 3). Find the coordinate of the point R such that
16. If the point (–1, –5) lies on the graph of 3x = ay + 7, then find the value of a.
17. Sum of the digits of a two digit number is 14. If we add 18 to the original number, the
digits interchange their places. Write two equations for these two statements.
18. Find the complement of the following angles: (i) 58 (ii) 45
19. Find the supplement of the following angles: (i) 90 (ii) 120
20. Two parallel lines are cut by a transversal such that one of the interior angles is 57. Find
each of the interior angles.
21. Two supplementary angles are in the ratio 3:2. Find the angles.
22. Find the measure of an angle, if seven times its complement is 10 less than three times
its supplement.
23. In figure AB // CD. Find the value of x
24. In the given figure x : y : z = 5 : 4 : 6. If XOY is a straight line find the value of x, y and z
25.
Individual Activity
The day is 26th
December ,2004.The place is a costal district of Andhra Pradesh. You are reporter for a leading national newspaper, covering the Asian Tsunami. Write a front page report on the devastation all round you and the relief mechanism in action
Project Work
Material Required:-File(Red colour),A4 Size paper (should not exceed 15 papers )and Pictures
GEOGRAPHY INDIVIDUAL ACTIVITY
(Based on Disaster Management)
Imagine you are a member of NCC, ten members from your group have been selected
to help and study about the Haiti Earthquake that occurred on 12th
January 2010. Make a detailed report on the Origin, Cause and Relief Operations that took place. What aid materials would you carry and how would you go about helping in the relief operations .
Project Work
Material Required:-File(Blue colour),A4 Size paper ( should not exceed 15 papers ) and Pictures
HISTORY & CIVICS
1. Prepare a list of countries under following two different groups:-
Group 1:- The countries that have changed their form of government from
democratic to undemocratic government.
Group 2:- The countries that have changed their form from undemocratic
to democratic groups.
2. Prepare a list of 10 major decisions taken in your family in last one year and find
out whether they have been taken in a democratic manner or not.
3. “Democratic governments suffer from various deficiencies”. Explain.
4. Can we say that democracy is the most suitable form of government? Give
reasons for your answer.
5. Explain the significance of French Revolution in the history of France.
Subject: Economics
Project Work
1. Write a Village economic activity in your areas. (15 pages)
2. Write answer of mid-term exam question paper.
3. Make a hand guide of economics.
PHYSICS
1. A motorcyclist drives from A to B with the uniform speed of 30 km/h and returns
back with the speed of 20 km/h. Find the average speed?
2. A Car is travelling at 20 m/s along a road. A child runs out into the road 50 m ahead
and the car driver steps on the brake pedal . What must the car's deceleration be if
the car is to stop just before it reaches the child?
3. A Car is travelling along the road at 8m/s. It accelerates at 1m/s2 for a distance of
18m. How fast is it travelling?
4. A train starting from rest move with a uniform acceleration of 0.2m/s2 for 5 min
calculate the speed acquired and the distance travelled in this time?
5. A car acquires a velocity of 180km/h in 20sec starting from rest find a) acceleration
b) average velocity c)the distance travelled in this time
6. A bullet blasts from the barrel of a gun upward in the vertical direction with an
initial speed of 700 m/s. Find the maximum altitude reached by this bullet and the
time needed to reach it.
7. A train accelerated from 20km/hr to 80km/hr in 4 minutes. How much distance
does it cover in this period?
8. Cars moving along a straight line at a speed of 54km/hr stop in 5s after the brakes
are applied. (a) Find the acceleration, assuming it to be constant. (b) Plot the graph
of speed versus time. (c) Using the graph. Find the distance covered by the car after
the brakes are applied?
9. A body starts from rest and moves with a uniform acceleration of 5m/s2 for 5s and
then it moves with a constant velocity for 4s. Later it slows down and comes to rest
in 5s. Draw the velocity graph for the motion of the body and answer the following
questions:
a. What is the maximum velocity attended by the body?
b. What is the distance travelled during this period of acceleration?
c. What is distance travelled when the body was moving with constant velocity?
d. What is the retardation of the body while slowing down?
e. What is the distance travelled by retarding?
f. What is the total distance travelled?
10. Brakes applied to a car produces an acceleration of 5m/s2 in the opposite direction
to the motion. If car takes 1.5s to stop after applying the brakes. Calculate the
distance travelled by it?
BIOLOGY
Write the answers of the following questions:
1. What are meristematic tissue?
2. How do biotic and abiotic factors affect crop improvement?
3. Differentiate between xylem and phloem.
4. How does RER and SER support membrane biogenesis?
5. If lysosomes are known as suicidal bags?
6. Which type of meristem cambium belong?
7. Identify the type of tissue at the following locations in plant body:
a) Husk of coconut b) Stalks of leaves
c) In the veins of leaves d) In aquatic plants for buoyancy
8. Name the chemical present in the cell wall of sclerenchyma, which makes it hard
and stiff.
9. State two important function of areolar tissue.
10. What would happen if all the stomata present on the leaves of a plant are
blocked?
11. Differentiate between parenchyma, collenchyma and sclerenchyma on the basis
of:
a) Intercellular spaces b) Cell wall structure
12. Which one is an oil yielding plant amount the following:
a) Lentil b) Sunflower c) Cauliflower d) Hibiscus
13. How do biotic and abiotic factors affect crop improvement?
14. What are macronutrients and why are they called macronutrients?
15. What is the egg laying variety in poultry called as?
16. What are the desirable agronomic characteristics for crop improvement?
17. Why do we classify organism?
18. Explain the three basic features for grouping all organism into five major
kingdoms.
19. Write down the hierarchic categories which are generally used for classification
of animal.
20. Write the difference between algae and fungi.
21. Which division of the plant kingdom are called as cryptogams? Why are they
called so
22. Differentiate between bilateral and radial symmetry.
23. Briefly describe the nitrogen cycle in the environment. Draw a well labeled
diagram.
24. Cheek epithelial cells are an example of:
a) Squamous epithelial cells b) Cuboidal epithelial cells
c) Columnar epithelial cells d) All of these
25. Which method is commonly used for improving cattle breeds and why?
26. Name a living tissue and a dead tissue, which provide mechanical support in
plants.
27. Differentiate between plant cell and animal cell. Draw diagram.
28. What is the significance of having cell membrane around a living cell?
29. Give three features of cardiac muscles.
30. What is the function of ozone layer?
CHEMISTRY
1. Give one example to show that gases diffuse in liquids.
2. Tabulate any two differences between mixtures and compounds.
3. A) What happens when acetone is poured on the palm?
B) Name the process involved in the following changes
Liquid to Solid
Solid to Gas
Gas to Liquid
Solid to Liquid
4. List three differences between mixtures and compound.
5. Name and describe the method used for the separation the components present
in a sample of ink. List its any two applications.
6. How can we separate a mixture of two miscible liquids?
7. Draw a neat labelled diagram of the apparatus used for separating acetone and
water (forming a miscible mixture) from their mixture.
8. Can all mixtures of two or more miscible liquids be separated by this process?
9. List two criteria needed for using this process.
10. Distinguish in tabular form between solids, liquids and gases under the following
characteristics.
a) Intermolecular attraction
b) Density
c) Fluidity
d) Diffusion
e) Kinetic energy of particles at a given temperature
11. What is evaporation? In the following examples state which factor is responsible
for the change in rate of evaporation and how?
a) Clothes dry faster on a windy day
b) Wet clothes dry faster on spreading them
c) Clothes dry faster in sun than in shade.
d) Clothes take longer time to dry on a rainy day.
12. Rohan added small amount of common salt in water taken in a graduated
cylinder, on dissolution there was no detectable change in the level of water.
Explain why it is so?
13. A substance has a definite volume but no definite shape. State whether this
substance is solid, liquid or gas.
14. Give reasons;
a) A sponge can be pressed easily still it is called a solid.
b) Water vapours have more kinetic energy than water at the same
temperature
c) Naphthalene balls disappear with time without leaving any solid.
15. Account for the following;
a) Hydrogen is considered an element.
b) Water is regarded as a compound
16. What is the physical state of water at
a) 250◦C
b) 100◦C
17. What is meant by evaporation? What are the factors on which rate of
evaporation depend on?
18. List any two properties that liquids have common with gases.
19. Give two reasons to justify that iron almirah is solid at room temperature.
20. What happens to the heat energy which is supplied to the solid once it has
started melting?
21. Identify the physical changes from the following
a) Melting of ice
b) Rusting of iron
c) Sublimation of iodine
d) Burning of magnesium in air
COMPUTER SCIENCE
Write in detail about the following with pictures and with its references
[book/magazines/websites]
1. Create a PowerPoint presentation any topic with audio/video/pictures with
animations.
2. Role of Cyber law , Cyber-crime law , International cyber law, its ethics and institutes
giving training in cyber law courses
3. Make a crossword / puzzle / maze with questions and its answers [separately]
related to computers.
4. Any one latest invention in the computer field.
MUSIC
1.Make a chart of any famous musician and his biography.
2.Make a chart of Piano/ Keyboard all notes on staff of ‘G’ clef & ‘F’ clef.
