RAVINDRA PUBLIC SCHOOL

HOLIDAYS HOMEWORK 2012-13

CLASS X

BIOLOGY

1)Make a activity file and note down the given activities

a)Chlorophyll is necessary for photosynthesis.

b)Carbon dioxide is necessary for photosynthesis.

c)Light is necessary for photosynthesis.

d)Study the action of saliva and starch.

e)Carbon dioxide is produced during respiration.

f)Carbon dioxide is produced alcoholic fermentation.

g)Demonstration of photo tropism.

2)Make a project on any one topic in science.

3)Write and learn all the extra questions from life processes.

Chemistry

1)Write any twenty (20) examples of Chemical reactions. Balance the chemical equations and write the name of the type of chemical reactions

2)Write short notes on-

a)Rancidity

b)Corrosion of metals

3)Do any 15 activities, 5 for each-Physics, chemistry and biology(Science) in a separate Activity File.

Physics

Revise: Current and potential difference. Ohm’s law. Resistance and resistivity. Resistance in series and parallels. Numerical problems on Ohm’s law and resistance combinations (NCERT TEXT BOOK).

English (Language & Literature)

1)Do read and learn the answers of the questions of the lessons & poems covered upto the ist week of May. Complete the textual exercises of the lessons & poems 100.

2)Write down 5 topics to each category given below in your H.W note book

  1. Formal & Informal letters
  2. Stories
  3. Articles
  4. Biographical sketch

3)Project work:

Make a list of the famous personalities who were autistic in their childhood e.g. Einstein. Collect information about them and write in your scrap book. You can also paste their pictures in your note book.

-Surf the internet and collect information about the universe and astronomical objects.

English Communication

1.Do revise and learn the answers of the textual questions along with the exercises with MCQ's and without MCQ's taught upto the week of ist May.

2.Pen down five related to each category given below un your HW note book

a)Notice

b)Message

c)Diary Entry

d)Profiles

e)Data Interpretation

f)Dialogue writing

g)Descriptions (people, objects or events)

h)Formal letters

i)E-Mails

3.Project

You have to interview MR.XYZ MLA of your constituency or SHO of your nearly police station or president of your colony/society. Draft a questionnaire for the interview. Also draft a report on interview.

4.Do complete unit 1 to 5 of your work book

Math

1.Revise Chapter 1,2 and 3 for FA-1 test

2.Do at least 25 sums based on chapter 1,2 and 3 each from an extra book in a separate notebook.

3.Make a chart on any topic of Mathematics

4.Make a geometrical model on any topic

5.Do a project work in your activity note book.

Social Science

1.Prepare a presentation on lesson Resource & Development on a decorative sheet. It contains the sheets of each and every topic of the chapter

2.Prepare a dictionary containing meaning of difficult words of each chapters of SA-1. it should be arranged in an alphabetical order (Chapter-wise)

  1. Read, write and learn Question. Answer of lessons done in class till 2nd week of May In a separate copy.

COMPUTER

  1. Collect information on any three Convergent technologies like GSM, 3G and 4G
  2. Prepare a time line of the launch of each version of the Windows Operating System.
  3. Suppose you are a member of Environment Club of your School.

Create a poster to put across the message that if we have to reduce the effect of

Carbon dioxide from our environment the Need to Plant More Trees. Take

printout & paste it in your computer file.

4. Collect information about use of computers in the following fields:

  1. In creating animation effects in movies
  2. In criminal investigation
  3. In the field of fashion designing
  4. Business (E-commerce and E-trading)
  5. Collect information about IT companies, their products, their achievements etc.
  6. WHOIS , Wi MAX, CYBERCRIME , ANDROID
  1. Make a collage on the topic"Convergence of technologies"
  2. Write a formal letter to your school principal with a request to allow an

Educational tour to Rajasthan. Give reasons and justification for the same.

Format the letter as per the following specifications :-

Font--Times New Roman Right and left margins--0.5"

Text size—14


Sanskrit

Hindi