Diwali Holiday Homework - 2017 Class X (B and C)

Subject Diwali Break Homework English 1) Read Chapters 18 to 21 of 'The Story of my Life' and write the summary.

2) Please read and prepare an analysis of the themes of “Not Marble, nor the Gilded

Monuments (Sonnet 55) by William Shakespeare, and “Ozymandias” by Percy

Bysshe Shelley. Both these analyses should not be more than 150 words in

length. This is to be done in your notebook, not on separate sheets of paper.

(Whether a poem has been taught in class or not is not as important as your

own response to a work of literature, unaided by someone else’s analysis).

Hindi 1) nhikoyh ds volj ij vkius ^ ihVj baXySaM^ dh iks”kkdksa dh ,d nqdku [kksyh

gSa] bl ds fy, vki ,d foKkiu fyf[k,A 2) f{kfrt Hkkx&2 ikB & ;g narqfjr eqldku ¼ i’B la[;k &41½ iz”u la[;k &

2 ]3 dk mRrj fy[ksaA 3) ikB&^ ,d dgkuh ;g Hkh^ ¼i’B la[;k& 100½ ls iz”u la[;k & 4 vkSj 5 dk

mRRkj fy[ksa A Mathematics Solve the worksheet.

Science Physics – Solve the worksheet.

Chemistry – Solve the worksheet.

Biology –

1 . Solve the questions of the chapter " How do organisms reproduce ?''

2 . Make a project work on the topic " Sexual reproduction in human beings ''

3 . Complete the practical file work .

4 . Collect facts related to human chromosomes and their composition . Paste

them nicely over a chart paper .

5 . Write a paragraph on the topic " Life without biology '' Social

Science

History – Solve the worksheet.

Civics - Complete the worksheet of Ch - 7 Outcomes of Democracy in the fair notebook.

Geography – Prepare a project on any "Natural Disaster" . The project needs to be

filed with your name, class and section clearly mentioned. The cover page should

carry the name of the project. The project should be of 15- 16 pages.

You may select any recent natural disaster and discuss its cause, effect(both long

and short term), steps taken to help the victims etc. Relevant pictures and

information about the disaster should be included.

Computer Solve the worksheet.

SAPPHIRE INTERNATIONAL SCHOOL

DIWALI HOLIDAY HOMEWORK

CLASS – 10 BC

SUBJECT-CHEMISTRY WORKSHEET

1. Explain oxidation and reduction with respect to the following reaction:

MnO2 + 4HCl MnCl2 + Cl2 + 2H2O.

2. What do you mean by chemical reaction?

3. What do you mean by chemical equation?

4. Explain how tooth decay occurs with respect to pH value change.

5. Explain Dobereiner's Law of triads.

6. Explain why carbon cannot form C4-

and C4+

but can form covalent compounds?

7. What do you understand by single, double and triple bond? Explain with example.

8. What is the functional group for Alkenes , Alkynes, Alcohols, Carboxylic acids,

Aldehydes, Amines, Ketones, Alkyl halides.

9. Define allotropy. Name the three crystalline allotropes of carbon and mention their

respective shapes.

10. Draw electron- dot structure of the following:

a) O2 b) CH4 c) N2 d) H2O

11. What do you mean by the following:

a) Catenation b) Tetravalency c) Hydrocarbons d) Saturated hydrocarbons

e) Acid- base character of metal oxides and non- metal oxides f) Ionic Bond

12.Show the formation of Na2O by the transfer of electrons. What are the ions present in

these compounds.

13.What is Galvanisation?

14.What is an alloy? Give example. What do you understand by amalgam

15. What is thermite reaction? Write down its application.

16. Write down the difference between roasting and calcinations.

17. Why hydrogen gas is not evolved with most metals when metals react with dilute nitric

acid?

18. What do you understand by water of crystallisation? Explain with an example.

19.How is the concentration of hydronium ion affected when a solution of acid is diluted?

20. Why covalent compounds generally poor conductors of electricity?

21. Translate the following statements into chemical equation and then balance them:

i) Copper reacts with oxygen to give cupric oxide

(ii) Zinc oxide reacts with carbon to give zinc and carbon monoxide

(iii) Lead nitrate undergoes thermal decomposition to give lead oxide , nitrogen dioxide and

oxygen

(iv)Calcium oxide reacts with water to give calcium hydroxide.

22. Write down the IUPAC name for the following:

a) CH3CH2CH2OH b) CH3COOH c) CH3COCH3 d) CH3Br e) HCHO

23. Draw the structure of the following:

a) Pentanal b) Ethyne c) Propanol d) Chloropropane e) Hexanoic acid

24.Sodium reacts vigorously with cold water, magnesium reacts with hot water while gold

does not react with water. How can you arrange sodium , magnesium and gold in order of

reactivity? Explain.

25.What were the limitations of Newland’s law of octaves?

CLASS – 10 BC,

Subject - Computer

HTML Worksheet

Name : ______________________ Class : _______

Study the following HTML codes carefully.

<HTML>

<HEAD>

<TITLE> Company Profile, Camembert International </TITLE>

</HEAD>

<BODY>

<H1> CAMEMBERT INTERNATIONAL</H1>

"Many’s the night I dreamed of cheese – toasted, mostly." Robert

Louis Stevenson

<H2> What We Do </H2>

<HR>

We make cheese. Lots of cheese; more than eight tons of cheese

a year. Your Brie, your Gouda, your Havarti, we make it all.

<H2>Why We Do It</H2>

<p> We are paid an awful lot of money by people who like cheese.

So we make more. Cheese is not just for mice anymore, you

know. These days <I> everybody </I> is getting into cheese.

On sandwiches, salads, with meat, or alone. It’s the perfect

complement to an appetite. So remember. <p><p>

<b>Say cheese!</b>

</BODY>

</HTML>

Questions:

1. Where will the phrase "Company Profile, Camembert International" appear?

2. What affect will the <h1> tag have on the phrase "CAMEMBERT INTERNATIONAL"?

3. What text (if any) will be italicized?

4. What text (if any) will appear in bold type? (be careful)

5. What are the two sections of an HTML document?

Diwali Holiday Assignment

Class 10 BC (History)

Chapter – The Making of a Global World

Short Answer type Questions

1. Who two countries were the richest prior to 18th century?

2. What is silk route? What role did this play in linking other countries?

3. Name the explorer who discovered the sea route to the Americas.

4. What is referred to as El Dorado which attracted travellers?

5. What is Corn Law? Why was it abolished?

6. Why is the year 1885 significant in the history of colonisation?

7. Give two examples which reflect socio-cultural fusion between Caribbean people

with indentured Indians.

8. What is rinderpest?

9. What was the most powerful weapon of the Spanish conquerors?

10. What is meant by the term Canal Colonies?

11. What is referred to as ‘Chutney Music’?

12. What happened at the Congress of Berlin?

13. Who is V. S. Naipaul? What is his main achievement?

14. What is meant by ‘Cowrie’? for what purpose were these used?

15. What is meant by indentured labour?

Long Answer type Questions

1. Explain the three types of flows within the international economic exchanges during

1815-1914.

2. How did food habits travel from one place to another in the process of cultural

exchange?

3. Why 19th century was indentured system referred to as the new ‘system of slavery’?

4. Examine the conditions in the 19th century which compelled the Indians to become

indentured labourers and migrate to other countries in search of work.

5. Explain how with new technology people of one part of the world could have

imported varieties of food from other parts of the world at a lower cost?

Diwali Holiday Homework

Arithematics Progression

Worksheet – Spherical Mirror Images

1 1 1

i od d f

i i

o o

h dh d

In every problem, draw a ray

diagram to confirm your answer.

1. A concave mirror has a focal length of 18 cm. Where will an image form if an object is placed

58 cm from the mirror? If the object is 12 cm tall, what will be the height of the image? Is the image erect or inverted? _________ real or virtual? __________

2. Where will the image form if the same object is placed 36 cm in front of the same mirror as in #1? How tall is the image? Is the image erect or inverted? _________ real or virtual? __________

3. Where will the image form if the same object is placed 32 cm in front of the same mirror as in #1? How tall is the image? Is the image erect or inverted? _________ real or virtual? __________

C F

C F

C F

Diwali Holiday HomeworkClass - 10 BC , Physics

Worksheet – Spherical Mirror Images

4. Where will the image form if the same object is placed 6.0 cm in front of the same mirror as in

#1? How tall is the image? Is the image erect or inverted? _________ real or virtual? __________

5. Where will the image form if the same object is placed 15 cm in front of a convex mirror with a focal length of 18 cm? (Hint: The focal length is behind the mirror.) How tall is the image? Is the image erect or inverted? _________ real or virtual? __________

C F

C F