KENDRIYA VIDYALAYA NFR NEW JALPAIGURI
Summer Vacation Home Work (2024-25)
Social Science
Class: IX
1. Write, memorise and understand the following terms:
( Write these terms in the Practical file, which have to be submitted
as the part of Portfolio for Internal Assessment . )
(i) History (ii) Sources of History (iii) Manuscripts (iv) Inscriptions
(v) Archaeology (vi) Official records (vii) Archive (viii)
Travelogue
(ix) Periodisation of
history (x) Colonialism (xi)
Environment (xii) Ecosystem (xiii)
Tectonic plates (xiv) Exogenic forces (xv) Endogenic forces (xvi) Weather
(xvii) Climate (xviii) Ocean currents
(xix) Waves (xx) Tides (xxi)
Longitudes (xxii) Latitudes (xxiii) Globe (xxiv) Map (xxv) Resources (xxvi)
Renewable resources (xvvii) Non-renewable resources (xxviii) Potential
resources (xxix) Actual resources (xxx) Resource conservation (xxxi)
Sustainable development
(xxxii) Equality (xxxiii) Diversity
(xxxiv) Discrimination (xxxv) Prejudice
(xxxvi) Stereotyping (xxxvii) Government (xxxviii) Legislative (xxxix) Executive
(xxxx) Judiciary (xxxxi) Democracy (xxxxii) Monarchy (xxxxiii) Constitutive
rules (xxxxiv) Constitution (xxxxv)
Constituent Assembly
2. Map Work
a. Write the names of the States and Union Territories
with their Capitals and locate the same on the outline map of India.
(Do the map work on the map of
India with outlined states boundaries).
b. On the outline map of Europe locate the following countries:
France, Russia, Germany, England, Italy,
Austria Poland, Greece, Spain and Portugal.
(These map works have to be submitted as the part of Multiple
Assessment for Internal Assessment)
Subject Enrichment Activity:
●
Project work on Disaster Management
(Refer CBSE Social Science
Syllabus Class IX & X 2024-25, page no.51 and 52.)
Summer
vacation holiday homework
Science
class 9th (2024-25)
1. Which one of the following sets of phenomena
would increase on raising
the temperature?
(a) Diffusion, evaporation, compression of gases
(b) Evaporation, compression of gases, solubility
(c) Evaporation, diffusion, expansion of gases
(d) Evaporation, solubility, diffusion, compression
of gases
2. Seema visited a Natural Gas Compressing Unit and
found that the gas can
be liquefied under specific conditions of
temperature and pressure. While
sharing her experience with friends she got
confused. Help her to identify
the correct set of conditions
(a) Low temperature, low pressure
(b) High temperature, low pressure
(c) Low temperature, high pressure
(d) High temperature, high pressure
3. The property to flow is unique to fluids. Which
one of the following
statements is correct?
(a) Only gases behave like fluids
(b) Gases and solids behave like fluids
(c) Gases and liquids behave like fluids
(d) Only liquids are fluids
4. During summer, water kept in an earthen pot
becomes cool because of the
phenomenon of
(a) diffusion
(b) transpiration
(c) osmosis
(d) evaporation
5. A few substances are arranged in the increasing
order of ‘forces of attraction’
between their particles. Which one of the following
represents a correct
arrangement?
(a) Water, air, wind
(b) Air, sugar, oil
c) Oxygen, water, sugar
(d) Salt, juice, air
6. On converting 25°C, 38°C and 66°C to kelvin
scale, the correct sequence of
temperature will be
(a) 298 K, 311 K and 339 K
(b) 298 K, 300 K and 338 K
(c) 273 K, 278 K and 543 K
(d) 298 K, 310 K and 338 K
7. Choose the correct statement of the following
(a) conversion of solid into vapours without passing
through the liquid
state is called vapourisation.
(b) conversion of vapours into solid without passing
through the liquid
state is called sublimation.
(c) conversion of vapours into solid without passing
through the liquid
state is called freezing.
(d) conversion of solid into liquid is called
sublimation.
8. The boiling points of diethyl ether, acetone and
n-butyl alcohol are 35°C,
56°C and 118°C respectively. Which one of the
following correctly represents
their boiling points in kelvin scale?
(a) 306 K, 329 K, 391 K
(b) 308 K, 329 K, 392 K
(c) 308 K, 329 K, 391 K
(d) 329 K, 392 K, 308 K
9. Which condition out of the following will
increase the evaporation of water?
(a) Increase in temperature of water
(b) Decrease in temperature of water
(c) Less exposed surface area of water
(d) Adding common salt to water
10. In which of the following conditions, the
distance between the molecules of
hydrogen gas would increase?
(i) Increasing pressure on hydrogen contained in a
closed container
(ii) Some hydrogen gas leaking out of the container
(iii) Increasing the volume of the container of
hydrogen gas
(iv) Adding more hydrogen gas to the container
without increasing the
volume of the container
(a) (i) and (iii)
(b) (i) and (iv)
(c) (ii) and (iii)
(d) (ii) and (iv)
11. A sample of water under study was found to boil
at 102°C at normal temperature and pressure. Is the water pure? Will this water
freeze at 0°C? Comment.
12. A student heats a beaker containing ice and
water. He measures the
temperature of the content of the beaker as a
function of time. Which of the following (Fig. 1.1) would correctly represent
the result? Justify your choice.
13. Fill in the blanks:
(a) Evaporation of a liquid at room temperature
leads to a——— effect.
(b) At room temperature the forces of attraction
between the particles of solid substances are———that those which exist in the
gaseous state.
(c) The arrangement of particles is less ordered in
the ——— state. However, there is no order in the ——— state.
(d) ——— is the change of gaseous state directly to
solid state without
going through the ———state.
(e) The phenomenon of change of a liquid into the
gaseous state at any
temperature below its boiling point is called———.
14. Match the physical quantities given in column A
to their S I units given in column B :
(A) (B)
(a) Pressure (i) cubic metre
(b) Temperature (ii) kilogram
(c) Density (iii) pascal
(d) Mass
(iv) kelvin
(e) Volume (v) kilogram per cubic metre
15. The non S I and S I units of some physical
quantities are given in column A and column B respectively. Match the units
belonging to the same physical quantity:
(A) (B)
(a) degree Celsius (i) kilogram
(b) centimetre (ii) pascal
(c) gram per centimetre cube (iii) metre
(d) bar (iv) kelvin
(e) milligram (v) kilogram per
metre cube
16. What does the odometer of an automobile measure?
a) distance covered by that automobile
b) Speed of the vehicle
c) Both of these
d) None of these
17.A bus starting from rest moves with a uniform
acceleration of for 2 minutes. Find the speed acquired
a) speed acquired = v = 12m/s
b) speed acquired = v = 13m/s
c) speed acquired = v = 11m/s
d) speed acquired = v = 14m/s
18.A racing car has a uniform acceleration of. What
distance will it cover in 10 s after start?
a)
S= 100 m
b) S=
300 m
c) S=
200 m
d) S=
250 m
19.What is the nature of the distance-time graphs
for non-uniform motion of an object?
a) it would a straight line
b) would a curve line
c) it would be linear
d) None of these
20. What can you say about the motion of an object
if its speed time graph is a straight line parallel to the time axis?
a) graph indicates that the object is travelling
with uniform velocity
b) graph indicates that the object is travelling
with non-uniform velocity
c) both of these
d) None of
these
21. A trolley, while going down an inclined plane,
has an acceleration of. What will be its velocity 3 s after the start?
a)
v = 6.2 cm/ s
b) v
= 6 cm/ s
c) v
= 6.4 cm/ s
d) v
= 6.6 cm/ s
e)
22. Water as ice has a cooling effect, whereas water
as steam may cause severe
burns. Explain these observations.
23.Alka was making tea in a kettle. Suddenly she
felt intense heat from the
puff of steam gushing out of the spout of the
kettle. She wondered whether
the temperature of the steam was higher than that of
the water boiling in
the kettle. Comment.
24. (a) Conversion of solid to vapour is called
sublimation. Name the term used to denote the conversion of vapour to solid.
Draw a llevel diagram of the process of sublimation.
(b) Conversion of solid state to liquid state is
called fusion; what is meant by latent heat of fusion?
25. Give one example each of an emulsion a sol, an aerosol,
a gel
26. How are sol, solution and suspension different
from each other?
27. Differentiate between saturated solution and
unsaturated solution.
28. What are colloidal solutions? How do they differ
from true solutions?
29. Classify the following substances into true
solutions and colloidal solutions:
Sugar solution, starch solution, milk, cod liver
oil, sulphur in water, sulphur in carbon disulphide
30. Explain why carbon dioxide is a compound not a
mixture. Give three reasons.
31. Define an element. Give one example each of a
solid element, a liquid element and a gaseous element. The physical state
mentioned are at room temperature, 25 degree Celsius.
32. i)A colloidal solution is always_________ in
nature.
ii) The solvent like medium in which colloidal
particles are disperse is called__________ medium.
iii) Colloid is a solution in which size of solid
particle lies between_________.
iv) In foam the dispers phase is gas and dispersion
medium is________.
33. What would you observe when
(a) A saturated solution of potassium chloride
prepared at 60°C is allowed to cool to room temperature.
(b) an aqueous sugar solution is heated to dryness.
(c) a mixture of iron filings and sulphur powder is
heated strongly.
34. Explain why particles of a colloidal solution do
not settle down when left
undisturbed, while in the case
of a suspension they do.
35. Would the distance travelled by the object also
be zero? Justify you answer.
36. How will the equations of motion for an object
moving with a uniform velocity change?
केन्द्रीय विद्यालय एन
एफ आर, न्यू जलपाईगुड़ी
ग्रीष्मकालीन अवकाश हेतु गृहकार्य
कक्षा- 9
विषय- हिन्दी
प्रश्न 1- ' लेकिन औरत जात पर सींग चलाना मना है, यह भूल जाते हो। ' हीरा के इस कथन के माध्यम से स्त्री के प्रति दृष्टिकोण को स्पष्ट कीजिए।
प्रश्न 2- हीरा और मोती ने शोषण के
खिलाफ आवाज उठाई लेकिन उसके लिए प्रताड़ना भी सही। हीरा-मोती की इस प्रतिक्रिया पर तर्क
सहित अपने विचार व्यक्त कीजिए।
प्रश्न 3- संत कबीर का संक्षिप्त
जीवन परिचय लिखिए।
प्रश्न 4- सखियाँ एवं सबद के आधार पर बताइए कि ' मानसरोवर ' से कवि का क्या आशय है ?
प्रश्न 5- ऊँचे कुल का जनमिया, जे करनी ऊँच न होइ। सुबरन कलस सुरा भरा, साधू निंदा सोइ।।
उपर्युक्त दोहे का अर्थ स्पष्ट कीजिए।
प्रश्न 6- अर्थ के आधार पर वाक्य भेद का प्रकार बताइए-
क-
सड़क पर खेलना मना है।
ख-
माली पेड़ लगा रहा है।
ग-
तुम कक्षा में प्रथम आओ।
घ-
अहा ! कितना रमणीय दृश्य है।
ङ-
समय मिलता तो हम क्रिकेट खेलते।
प्रश्न 7- निम्नलिखित शब्दों में
प्रयुक्त उपसर्ग बताइए
सम्मान , अत्यधिक , अनुज , अपितु , निष्काम
प्रश्न 8- निम्नलिखित में प्रयुक्त
प्रत्यय बताइए।
पल्लवित , राधेय , बंधुत्व , मानवीय , दयावान
प्रश्न 9- पाठ्य-पुस्तक से पाँच मुहावरे
छाँटकर लिखिए, उनका अर्थ बताते हुए मुहावरों का वाक्य प्रयोग
कीजिए।
प्रश्न 10- क्या आपको लगता है कि ' दो बैलों की कथा ' कहानी आजादी की
लड़ाई की ओर भी संकेत करती है ? अपने विचार व्यक्त कीजिए।
विषय संवर्द्धन गतिविधि (Subject Enrichment
Activity)
संत कबीर के समकालीन कई आध्यात्मिक गुरु और समाज सुधारक संत हुए हैं ; जैसे - संत रैदास , गुरुनानक आदि। संत कबीर के समकालीन किसी एक समाज सुधारक संत के बारे में जानकारी एकत्रित कीजिए और उनका जीवन परिचय, प्रमुख रचनाएं, समाज सुधार में उनके योगदान आदि को स्पष्ट कीजिए। (समस्त जानकारी एकत्र कर एक फाइल में संकलित करें।)
पोर्टफोलियो (Portfolio) -
मुंशी प्रेमचंद (समस्त जानकारी एकत्र कर एक फाइल में संकलित करें।)
Holiday Homework (Summer Vacation) for Class IX (2024-25) Subject
– Mathematics
Dear Students,
Summer vacation is the best and
the most fruitful time for learning and nurturing creativity.
Keeping this objective in mind we have planned diverse and exciting activities that will enhance
your knowledge and boost your creativity.
Get up early in the morning and see the rising sun. Do
indoor exercises/yoga and
stay healthy and fit.
“A healthy mind lives in a healthy body”. So play the sport
of your choice INDOORS. It will help to instill discipline, generate sporting spirits
and channelize your energies constructively.
Keep away from smartphones, virtual
games and digital
technologies. Spend quality time with your
elders and share your thoughts and
ideas with them.
“Mathematician’s Biography” about yourself
You have spent many hours in different Mathematics classes over the past years. Some of your experiences have been positive whereas some may have been challenging.
Let's write a:" Mathematician’s Biography" about yourself based on the following criteria:
1. The first paragraph should introduce your biography. Use an interesting opening sentence.
2. In the second paragraph write your best and the worst of your class in a few sentences. Be generic in your views.
3. In your third paragraph write
at least two strategies you have used to solve a problem
m a
t h e m a t i c a l l y.
4. In the final paragraph share what are you looking forward to and your worries about mathematics in this class. Conclude with your expectation of CGPA (Cumulative Grade Point Average).
5. Use complete sentences to express yourself.
Make a Chart of Formulas of Volume and Surface Area of Solid Figures as following
Instructions for making chart-
Use your imagination and art skills to draw figures and write names. The work should be handwritten. Printouts are not allowed.
Present your work neatly and as creatively as possible.
1. Solve the following questions in your homework notebook
2. Find 2 rational and 2 irrational numbers between 4 and 5.
3. Locate √5 on a number line.
4. Find two irrational numbers between 0.1 and 0.12
5. Find the decimal expansion of 11/17.
6. Give an example for each, if two irrational numbers, whose
(i) difference is a rational number.
(ii) difference is an irrational number.
(iii) sum is a rational number.
(iv) sum is an irrational number.
(v) product is a rational number,
(vi) product is an irrational number.
(vii) quotient is a rational number.
(viii) quotient is an irrational number.
7. Express 3.77777…… in the form of p/q.
8. Rationalise the denominator of 9. Simplify: (√5 + 2√3)(√5 - 2√3)
10. Solve: (i) (16-1/5)5/2 (ii) (0.001)1/3
11. The adjacent histogram shows weekly wages (in rupees) of workers in a factory.
From the histogram answer the following
i. In which wage -group are the largest number of workers being kept? What is their number?
ii. What is the amount which is obtained by the least number of workers? What is the number of such workers?
iii. What is the total number of workers?
 |
12. Using suitable algebraic identity TO solve 10922
* Complete Chapter 1 and 2 from NCERT Exemplar Textbook.
All these work should be done in new Notebook.
ACTIVITIES :
Activity 1 : Square Root
Spiral from √2 to √7.
Activity 2 : Area of Rectangle using Factorisation of Quadratic Polynomial.
Link for reference : https://youtu.be/BkhUyrEBKxw?si=EU_bkxSGUx1rt5eB
* This must be done in Practical File.
* Also prepare your portfolio as format sent in group.
ENGLISH
Forclass:-9
1. Write one page
diary entry for every week of your holiday.
2. Write a short bio
sketch of any two famous personalities.
3.
Read the story “How I taught my
grandmother;and present the story in form of cartoon on a chart paper.(It must have
dialogues also)
4. Write a short article
on any one:-
a) Global warming.
b) Adverse effects of technology on environment.
5. Gap Filling (Solved) (A) Fill in the blanks, choosing the most appropriate options from the ones given below. Write the answers in your answers in your answer sheet, against the correct blank numbers.
Education is defined as (a)__________ ability of a person to read (b) __________ write .But sadly ,millions of children (c) __________ uneducated in India .
41 (a) (b) (c) (I) an (II) the (III) some (IV) any (I) and (II) but (III) as (IV) while (I) aren’t (II) are (III) our (IV) were
6-(B) Complete the following paragraph by choosing the correct word from the options given below: When the old lady (a) …………… to her flat she saw at once that the burglars (b) ……………… in her absence. Though the burglars themselves (c) ……………….. no longer there she saw at once that they (d)………….. because there was a burning cigarette in the ash tray. Probably they (e)……………….. the lift coming up and (f) …………………… down the stairs.
(a) () (I) return (II) returning (III) returned (IV) had returned
(I) break (II) broke (III) had broken (IV) were breaking
(I) be (II) were (III) was (IV) are (I) just leave (II) just leaving (III) are just leaving (IV) had just left
(I) heard (II) hear (III) had heard (IV) hearing
(I) run (II) were running (III) ran (IV) had run
7- SENTENCE REORDERING/TRANSFORMATION (SOLVED) 1. Look at the words and phrases given below in jumbled form. Re-arrange them to form meaningful sentences. The first one has been done as an example. e.g.: Wheel is/ Human beings/ invention/ the/ greatest. The wheel is human beings greatest invention.
a. People/ Carried/ their belongings/ backs/ on their/ earlier
b. . c. Their life/ very adventurous/ made/ wheel/ easy/ and like to/travel/ distances/ people now-a-days/ long/ enjoy life/ and
8- Read the conversation between a teacher and a student. Complete the conversation in reported speech by choosing from the options given below.
Student: When is the Fancy Dress Competition being held, Sir?
Teacher: It is after two weeks. Are you taking part in it?
Student: Yes, sir! I am taking part as the engine driver.
The student asked the teacher (a) _________________. The teacher replied that (b) ______________________. The teacher then asked if (c) _____________________. The student replied respectfully that (d) _____________
9-. Read the dialogue given below an report it by filling in the blanks
Traffic police : You are going too fast. You have exceeded the speed limit.
Raena : I am late for my work. Please let me go this time
. Traffic Police : Don’t worry. You have to report at the Police Station only tomorrow.
The Traffic Police stopped Raena and told her that she was going very fast and that she (a)………………………………………………………Raena pleaded with the policemen and said that (b) …………………………………………………the traffic Police asked her not to worry and said that(c)…………………………………………….. .
10-Prepare your portfolio on the given format,
___________
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