HAPPY HOURS SCHOOL SESSION 2022-23 CLASS XII- SCIENCE HOLIDAY HOMEWORK SUBJECT English SYLLABUS 1. Read any one of the following books and prepare a short presentation focusing on the characters, the plot, the social context and critical appraisal. (To be done on A4 sheets and compiled in a folder. Suggested Books: ➢ To Kill a Mocking Bird by Harper Lee ➢ Jane Eyre by Charlotte Bronte ➢ The Invisible Man by H G Wells ➢ The Catcher in the Rye by JD Salinger ➢ Great Expectations by Charles Dickens ➢ Lost Spring Stories of Stolen Childhood by Anees Jung ➢ Not without my daughter by Kamla Das 2. TED Talks are a great way to get inspired and motivated to improve one both personally and professionally. They act as a cure as they have the power to soul raise and reaffirm your faith in onerous circumstances. Given below are suggestions of some Ted Talks to be watched and get inspirited. ➢ Inside the mind of a master procrastinator: Tim Urban ➢ How great leaders inspire action: Simon Sinek ➢ The power of vulnerability: Brene Brown ➢ The surprising science of happiness: Dan Gilbert ➢ The thrilling potential of sixth sense technology: Pranav Mistry ➢ Angela Lee Duckworth: Grit: the power of passion and perseverance ➢ Julian Treasure: How to speak so that people want to listen ➢ A powerful way to unleash your natural creativity: Tim Harford ➢ Be humble-----and other lessons from the philosophy of water: Raymond Tang ➢ Your elusive creative genius: Elizabeth Gilbert There are many more inspirational talks available, so don't stop at just these. These ten can give you a basis for finding your inspiration. After you find the one that vivifies, write a brief analysis of it. (120-150 words) Later we use it as a speaking skill activity too. Physics Prepare a softcopy of the investigatory project that has been allotted to you as per your roll numbers. A list for the same will be shared in the class WhatsApp group. In case of a query, you may co-ordinate with the subject teacher (Mr. J.K. Joshi). Chemistry 1) PROJECT • Prepare a Project on the topic allotted according to your roll number. • Topics: (1) ROLL NO. 1-6: Study the presence of oxalate ions in guava fruit at different stages of ripening. (2) ROLL NO. 7-12: Study of quantity of casein present in different samples of milk (3) ROLL NO. 13-18: Soya bean milk and its comparison with the natural milk with respect to curd formation, effect of temperature and taste. (4) ROLL NO. 19-23: Study of the effect of potassium bisulphite as food preservative under various conditions (temperature, concentration, time etc). (5) ROLL NO. 24-28: Study of digestion of starch by salivary amylase and effect of pH and temperature on it. (6) ROLL NO. 29-33: Comparative study of the rate of fermentation of the following substances: (a) Wheat flour, (b) Gram flour, (c) Potato juice, (d) Carrot juice, (e) Orange juice etc. (7) ROLL NO. 34-38: Extraction of essential oils present in sounf (aniseed), ajwain (carom) and elaichi(cardamom). (8) ROLL NO. 39-43: Study of common food adulterants in fat, oil, butter, sugar, turmeric powder, chilli powder and black pepper. ➢ ➢ ➢ ➢ ➢ ➢ ➢ ➢ ➢ ➢ ➢ ➢ Biology INSTRUCTIONS: (1) Send a soft copy of the project to the teacher. Also save a soft copy for yourself. (2) Use internet to get the pictures/ images of relevant topic. (3) project report should include: Topic of the investigatory project Name of student with class and section and session. ACKNOWLEDGEMENT-Acknowledging the Institution, Teachers and persons who have helped. CERTIFICATE INDEX with page numbers. PROJECT OVERVIEW AIM MATERIALS REQUIRED PRINCIPLE INTRODUCTION PROCEDURE OBSERVATION RESULTS BIBLIOGRAPY Prepare a softcopy of investigatory project on a topic approved by the subject teacher (Mrs. Azra Sayeed). The project report should include: ➢ ➢ ➢ ➢ Cover page Acknowledgement Certificate Index ➢ ➢ ➢ ➢ Mathematics I. Project overview Case Study Conclusion Bibliography Complete the activities given below in Activity file as per Roll No Roll No – 01 to 16 – 1. To find analytically the limit of a function f (x) at x = c and also to check the continuity of the function at that point. 2. To understand the concepts of decreasing and increasing functions Roll No – 17 to 32 – 3. To understand the concepts of local maxima, local minima and point of inflection. 4. To construct an open box of maximum volume from a given rectangular Sheet by cutting equal squares from each corner. II. Solve the Miscellaneous Exercise of chapter 5 (textbook) in HW notebook. Computer Science Music Physical Education Economics Write a program that prompts for a phone number of 10 digits and two dashes, with dashes after the area code and the next three numbers. For example, 017-555-1212 is a legal input. Display if the phone number entered is in valid format or not and display if the phone number is valid or not (i.e., contains just the digits and dash at specific places) Practice Raag Bageshri and the written work of Unit 5.2. Make a collage on IPL (Indian Premier League) for the year 2022-23 Guidelines for Project Work in Economics: • Learners will complete only ONE project in each academic session. • Project should be of 3,500-4,000 words (excluding diagrams & graphs), preferably hand-written. • It will be an independent, self-directed piece of study. • The project will be done in 2 phases. Phase 2 will take place after the completion of Phase 1 PHASE-I In this phase students must select the topic for the Economics Project Work either from the Economic surroundings or as per interest. Thereafter students will collect data by preparing a questionnaire. The data so collected will be organized in schedules or in chart form. Learners may work upon the following lines as a suggested flow chart: Choose a title/topic Collection of the research material/data Presentation of collected material/data Marking scheme: [ For PHASE –I] S.No. Heading 1. Relevance of the topic 2. Knowledge Content/Research Work Marks Allotted 03 06 Suggestive list of projects ➢ Contemporary Employment situation in India ➢ Inclusive Growth Strategy ➢ Currency War – reasons and repercussions ➢ Health Expenditure (of any state) ➢ Sarwa Siksha Abhiyan – Cost Ratio Benefits ➢ Impact of Political relations on trade For more details, please refer to the given link https://cbseacademic.nic.in/web_material/CurriculumMain23/SrSec/Economics_SrSec_ 2022-23.pdf PLEASE NOTE: ➢ Summer vacations commence from 30 May 2022. ➢ School reopens on 04 July 2022. HAPPY HOLIDAYS!!!