Class: 9

Holiday Homework

Chemistry Work Sheet

I. Matter in Our Surroundings

1.  Why do we see water droplets collected on the outer surface of a glass container, containing ice?

2.  Explain why solids have fixed shape but liquids and gases do not have fixed shape.

3.  Why is it advisable to use pressure cooker at higher altitudes?

4.  What are fluids?

5.  Why is water liquid at room temperature?

6.  Cotton is solid, but it floats on water. Why?

7.  Why are solids generally denser than liquids and gases?

8.  Name the factors that affect evaporation.

9.  How is the high compressibility property of gas useful to us?

10.  With the help of an example, explain how diffusion of gases in water is essential?

11.  On a hot sunny day, why do people sprinkle water on the roof or open ground?

12.  Why to people perspire a lot on a hot humid day?

13.  A balloon when kept in sun, bursts after some time. Why?

14.  Pressure and temperature determine the state of a substance. Explain this in detail.

15.  Explain giving examples the various factors on which rate of evaporation depends.

II.Is Matter Around Us Pure

1.  Name the solutions which show the Tyndall effects

2.  Name some homogenous as well as heterogeneous mixtures

3  What are the differences between a physical change and a chemical change?

4  How is fog different from smoke?

5  Is water a compound? Prove your answer.

6  Calculate the concentration of 45 g salt present in 500 g of solution.

III. Study and prepare a tabular column for the first thirty elements of the Periodic table.

Your table should contain

· Name of the element

· Symbol of the element, and

· Atomic number of the element

GEOGRAPHY

A PROJECT ON DISASTER MANAGEMENT

OBJECTIVES OF THE PROJECT SHOULD BE TO:

· CREATE AWARENESS ABOUT DIFFERENT DISASTERS, THEIR CONSEQUENCES AND MANAGEMENT.

· PREPARE IN ADVANCE TO FACE SUCH SITUATIONS.

· ENSURE PARTICIPATION IN DISASTER MITIGATION PLANS.

· ENABLE THEM TO CREATE AWARENESS AND PREPAREDNESS AMONG THE COMMUNITY.

* THE PROJECT REPORT SHOULD BE HANDWRITTEN.

POLITICAL SCIENCE

ANSWER THE FOLLOWING QUESTIONS: -

1. What is direct Democracy?

2. Name one country which has direct democracy.

3. What do you understand by Indirect Democracy?

4. India’s Constitution is the lengthiest Constitution in the World. Give any three reasons for this.

5. Who conducts the elections to Parliament and state Legislative Assemblies in India?

6. Do the devices of referendum and initiative exist in India?

7. “A democratic government is a better government because it is more accountable form of government.” Explain

8. Distinguish between Democracy and Dictatorship.

9. Briefly describe the struggle against ‘Apartheid’ carried out in South- Africa. What was its result?

10. Describe the framing of the Indian Constitution by the Constituent Assembly.

HISTORY

Answer the following questions: -

I. THE FRENCH REVOLUTION

II.

III. NASIZM AND THE RISE OF HITLER

MULTIPLE CHOICE QUESTIONS

1. Which of the following can best define Nazism?

(a) Hitler’s determination to make Germany a great nation

(b) Extermination of Jews

(c) A system, a structure of ideas about the world and politics

(d) Hitler’s ambition of conquering the world.

2. Allied Powers in World War II

(a) Germany, Italy, Japan.

(b) Germany, Italy, Turkey

(c) UK, France, Italy

(d) UK, France, USSR, USA

BIOLOGY

1. Name the organelles which show the analogy written as under

a. transporting channels of cell……

b. power house of the cell…

c. packaging and dispatching unit of cell….

d. digestive bag of the cell….

e. storage sacs of the cell…….

f. kitchen of the cell …….

h. control room of the cell …..

2. How will absence of any one of the cell organelle affect the cell’s working?

3. What are the functions of nuclear membrane?

4. Write a note on Golgi apparatus and the functions it perform.

5. Why is endocytosis found in animal cells only?

6. Why do plant cells possess large sized vacuole?

7. There would be no plant life if chloroplast did not exist. Justify.

8. What would happen if if the plasma membrane ruptures or breaks down?

9. How is prokaryotic cell different from a eukaryotic cell?

10. Make a comparison and write down ways in which plant cells are different from animal cells.

11. Why does an organism – plant or animal, require different types of cells in their body? ( Or) Why plants and animals are made up of different types of tissues?

12. Why are xylem and phloem are called complex tissues? How are they different from one another?

13. Briefly describe striated and smooth muscles with their functions.

14. Describe the types of connective tissues along with their functions.

15. Describe the structure and function of different types of epithelial tissues.

16. Differentiate between parenchyma and sclerenchyma tissues.

17. Differentiate between meristematic and permanent tissues.

18. Describe the structure and functions of neurons.

19.How does cork act as a protective tissue?

20. Identify the type of tissues in the following: Skin, bark of tree, bone, lining of kidney tubule, vascular bundle.

Diagrams to practice: The diagrams need to be neat, clear and well labelled. (Draw 2 times each)

1. Various cells from human body.

2. Plant cell

3. Animal cell

4. Simple tissues (Plant): parenchyma, collenchyma, sclerenchyma,

5. Stomata

6. Complex tissues: Xylem and phloem.

7. Types of muscle fibres.

8. Neuron.

ENGLISH

Reading Comprehension Assessment Directions:

Q1. Read the passage. Then answer the questions below.

Summer Rain The worst days of any summer are the rainy ones. We spend all year looking forward to nice weather and long, hot days. All of winter, with its dreary gray days and bitter cold, we dream of those endless days at the beach, laying on the sand and soaking in the bright and burning sun. And then, summer comes, and it rains. As a child, I would wake up to rainy summer days and come close to crying. It wasn’t fair. We suffered through months of school and miserable weather for those scant ten weeks of freedom and balmy weather. Any day that I could not spend at the beach or playing ball with my friends seemed like a punishment for something I didn’t even do. On those rainy summer days, I had nothing fun to do and could only sit inside, staring out at the rain like a Dickensian orphan. I was an only child, so there was no one else to play with. My father worked from home, so I was not truly alone, but he could not actively play with me since he was technically at work. It was those days that I would resign myself to whatever was on television or any books that I could find lying around. I’d crawl through the day and pray each night that the rain would not be there the next day. As an adult, though, my opinion of summer rain has changed. When you have to work every day, summer is not as eagerly anticipated. Mostly, the days run together, bleeding into each other so that they no longer seem like separate entities and instead feel like continuations of the same long day. Everything seems monotonous and dull, and an ennui or listlessness kicks in. Such a mindset makes you cheer for anything new or different. I spend the winter dreaming of summer and the summer dreaming of winter. When summer comes, I complain about how hot it is. And then I look forward to the rain, because the rain brings with it a cold front, which offers a reprieve—admittedly one that is all too short—from the torture of 100° and humid days. Rainy days are still the worst days of the summer, but summer rain today means positively beautiful—and considerably cooler—weather tomorrow.

1) The passage makes use of language that is A. metaphorical B. rhetorical C. formal D. ambiguous

2) According to the passage, summer is different for adults because A. rain brings with it cold temperatures for the following days B. the weather is much warmer than it is for children C. they do not get a long time off from work for the season D. they better know how to occupy their downtime

3) According to the passage, which of the following is a true statement about the narrator as a child? A. He or she was often bored on summer days. B. He or she preferred cooler weather. C. He or she liked staying indoors. D. He or she had no siblings.

4) Compared to how he or she was as a child, the narrator as an adult is A. more realistic B. less excitable C. more idealistic D. less calm

5) As used in the final paragraph, the word reprieve most nearly means A. a permanent conclusion B. a short continuation C. a higher level of pain D. a temporary break

6) The author of this passage describes his or her feelings about rainy summer days. In general, how do you feel about such days? Do you agree with the author’s opinions, or do you not mind this type of weather? Briefly explain your views below.

Q2a) After a long vacation , your school is going to reopen in a couple of days . write a dairy entry describing your feeling about having to go to school .

2b) Write a Short Story on “A character living in poverty comes into an unexpected fortune”.

Q2a) Gap Filling 1

Reading is one of the best hobbies ….a…. (this / that / who / it) you can adopt. …..b…. (It / They / Them / Its) not only helps you to pass your leisure time usefully …..c…… (and / so / hence / but) also keeps you well informed. Besides that, it builds ……d…… (yours / your’s / your / its) vocabulary and helps you to …..e……. (improvement / improving / improves / improve) your expression. If you can’t decide ……f…… (whose / which / different / various) books to read, you should consult your parents or librarian.

Q2b) Gap Filling 2

The constitution of India came (a)…………… force on January 26th, 1950. (b) ……………   that time it (c) …………… not contain any specific provision dealing directly (d) ……………  the environment related issues, legislation (e) …………… provisions in India. In 1976, (f) ……………   the leadership of Prime Minister Mrs Indira Gandhi, the very first provision (g) ……………   the protection of the environment was incorporated (h) ……………  constitution through 42nd amendment. The objective of such legal provision (i) ……………   to improve and conserve the ecological (j) ……………   environmental assets of India.

Q3.Fill in the blanks with the appropriate form of the verb. Each question is followed by four suggested answers. Choose the most appropriate one.

1. We ——————- not hurry, we have got plenty of time.

a) needb) oughtc) mustd) should

2. I ——————- visit my parents every Sunday; now I go twice a month.

a) mustb) used toc) shouldd) will

3. Candidates —————— not write their names on the answer-sheets.

a) shouldb) mustc) oughtd) need

4. How ————— you call me a liar?

a) dareb) mustc) shouldd) would

5. Children ————— to respect their parents.

a) needb) oughtc) shouldd) must

6. In my youth I —————- exercise every day.

a) tookb) had takenc) was takingd) take

7. He said that he ——————- from fever for three days.

a) had been sufferingb) was sufferingc) sufferedd) is suffering

8. By this time next year, he —————– the construction of his house.

a) will have completedb) would completec) would have completedd) should have completed

9. He does not ——————– to go against the wishes of his father.

a) dareb) needc) oughtd) should

Q4.Edit the given Passage

In a bid to save the polar ice, experts are urging us to reconsidering

the way we live. The fossil fuels whom we burn in cars,

power plants, and factories are large to blame for the

greenhouse gases that are trapped excess heat in our atmosphere.

If we can produce less of these gases, we can help save

the polar ice. And saving the polar ice will help protecting the oceans and us.

Cycling, walking, and take public transportation, for example,

are pole-friendly activities. Encouraging your parents to switch

to efficient, compact fluorescent light bulbs, and turning the lights

and fans off when you’re not using they. Also save water and limits the use of plastics.

Q5.Complete the News Headlines

4. The birth of Dolly, the first clone sheep, …………………… (prove / proved / proving) that cells from anywhere in the body ……………………. (can / could / will) behave like a newly fertilized egg.

Q6.Literature

1. The Adventures of Toto2. The Happy Prince 3. The Last leaf

Please read and Answer the Questions in your Notebook.

FRENCH

Bilan 2 in the reader page: 76,77,78,79

INFORMATION TECHNOLOGY

Note: Submit the printout of the following practical

1. Design a cover pages for your practical record book using cover page option in Insert Menu.

2. Open a new document. Type in the heading of your Local newspaper. Divide your page into two columns. (Page LayoutColumns). Pick up an article from a newspaper and key it in. Try using column break and page break anywhere in the text.

3. Create a poster for your school carnival.

4. Create a worksheet using the sales data given below:

i. Create bar and line charts using this data. Enhance the design of your chart to make it more presentable.

ii. Calculate the total sales for each city. Create a pie chart representing the total sales of each city.

5. Create a presentation (10-12 slides) on ANY ONE of the given topics giving an appropriate name to the file.

· School Annual Day function.

· Sports Day.

· Independence Day.

· Healthy Diet.

· Savings Plan (Post Office).

· Effects of thoughts on water.

· Our place in the cosmos

· Effects of Global Warming

i. Insert relevant text on slides

ii. Use relevant clip arts and pictures

iii. Insert the relevant video clips

iv. Add the music files to enhance the effect of your presentation.

v. Apply different transition effects to your presentation slides.

vi. Use different animation effects for text and objects.

vii. Add speaker notes to each of your slides.

viii. Use tables and format them with different table styles.

viii. Print the handouts and submit it on the reopening day.

ix. Copy it to pen drive and submit on the reopening day

PHYSICS

1. Distinguish between speed and velocity.

2. What does the path of an object look like when it is in uniform motion?

3. What is the quantity which is measured by the area occupied below the velocity time graph?

4. When will you say a body is in i) uniform acceleration and ii) non-uniform acceleration.

5. A racing car has a uniform acceleration of 4m/s ². What distance will it cover in 10 seconds after start.

6. A farmer completes one round of circular track of diameter 300 meter in 60 seconds. What will be the distance covered and the displacement at the end of 2 minutes and 30 seconds?

7. A stone is thrown in a vertically upward direction with a velocity of 5m/s. If the acceleration of the stone during its motion is 10 m/s² in the downward direction, what will be the height attained by the stone and how much time will it take to reach there?

8. When do the distance and displacement of a moving object have the same magnitude?

9. Can a body have constant speed but variable velocity?

10. How will the equations of motion for an object moving with a uniform velocity change?

11. Uniform circular motion is an accelerated motion. Justify this statement with example.

12. A car travels from stop A to stop B with a speed of 30 km/hr and then returns back to A with a speed of 50 km/hr. Find

a) displacement of the car

b) distance travelled by the car

c) average speed of the car.

13. Write first equation of motion and derive them by graphical method.

14. Define circular motion and tell what is the difference between uniform motion in a straight line and circular motion.

15. Write second equation of motion and derive them by graphical method.

16. Give an example of a uniformly accelerated motion.

17. A person standing at A goes to B by following any of the paths 1,2 or 3. Which path can we measure to find the average velocity.

18. If the mass of a body and force acting on it are both doubled then what happens to its acceleration.

19. Give an example of a motion in which acceleration is non-uniform.

20. Can a body have constant speed but variable velocity?

HINDI

निम्नलिखितपरविज्ञापनबनाइए – 

(क) अंकलचिप्स     (ख) एशियनपेंट्स 

‘विद्यार्थीजीवन’ परअनुच्छेदलिखिए l

(स्पर्शभाग -1) ‘पाठतुमकबजाओगेअतिथि’काअध्यन l 

(संचयनभाग -1) ‘हामिदखाँ’पाठकोपढ़करसारअपनेशब्दोंमेंलिखिए l

Class: 9

Holiday Homework

Chemistry

Work S

h

eet

I

.

Matter in Our Surroundings

1.

Why do we see water droplets collected on the outer surface of a glass container, containing ice?

2.

Explain why solids have fixed shape but liquids and gases do not

have fixed shape.

3.

Why is it advisable to use pressure cooker at higher altitudes?

4.

What are fluids?

5.

Why is water liquid at room temperature?

6.

Cotton is

solid,

but it floats on water. Why?

7.

Why are solids generally denser than liquids and

gases?

8.

Name the factors that affect evaporation.

9.

How is the high compressibility property of gas useful to us?

10.

With the help of an example, explain how diffusion of gases in water is essential?

11.

On a hot sunny day, why do people sprinkle w

ater on the roof or open ground?

12.

Why to people perspire a lot on a hot humid day?

13.

A balloon when kept in sun, bursts after some time. Why?

14.

Pressure and temperature determine the state of a substance. Explain this in detail.

15.

Explain

giving examples the various factors on which rate of evaporation depends.

II.

Is

Matter Around Us Pure

1

.

Name the solutions which show the Tyndall effects

2

.

Name some homogenous as well as heterogeneous mixtures

3

What are the differences between a

physical change and a chemical change?

4

How is fog different from smoke?

5

Is water a compound? Prove your answer.

6

Calculate the concentration of 45 g salt present in 500 g of solution.

III. Study and prepare a tabular column for the first thirty el

ements of the Periodic table

.

Your table should contain

Ø

Name of the element

Ø

Symbol of the element

,

and

Ø

Atomic number of the element