OSWAAL CBSE Continuous and Comprehensive Evaluation (CCE) QUESTION BANK WITH COMPLETE SOLUTIONS Science Class 8 For Term I and 2 Published by : OSWAAL BOOKS 1/11, Sahitya Kunj, M.G. Road, Agra -282002 (UP) India 0562-2857671, 2527781 0562-2854582, 2527784 www.OswaalBooks.com
[email protected] 2004 OUR DISTRIBUTORS © Publisher Oswaal Books CONTENTS • Syllabus iv - viii • Sample Question Paper (for SA-I & SA-II) i - viii 1. Crop Production and Management 1 - 6 2. Micro-Organisms : Friend and Foe 7 - 15 3. Synthetic Fibres and Plastics 16 - 21 4. Materials : Metals and Non-Metals 22 - 29 5. Coal and Petroleum 30 - 34 6. Combustion and Flame 35 - 42 7. Conservation of Plants and Animals 43 - 49 8. Cell - Structure and Functions 50 - 55 9. Reproduction in Animals 56 - 63 10.Reaching the Age of Adolescence 64 - 70 11.Force and Pressure 71 - 75 12.Friction 76 - 80 13.Sound 81 - 86 14.Chemical Effects of Electric Current 87 - 92 15.Some Natural Phenomena 93 - 98 16.Light 99 - 105 17.Stars and the Solar System 106 - 112 18.Pollution of Air and Water 113 - 119 ll Science Syllabus Class-VIII Questions Key Concepts Resources 1. FOOD (Periods - 22) Crop production Crop production Crop production : How are different food crops produced? Soil preparation, selection of seeds, sowing, applying fertilizers, irrigation, weeding, har vesting and storage; nitrogen fixation, nitrogen cycle. What are the various foods we get from animal sources? Micro-organisms What living organisms do we see under a microscope in a drop of water? What helps make curd? How does food go bad? How do we preserve food? Activity/ Processes Micro organisms – useful and harmful. Interaction and discussion with local men and women farmers about farming and farm practices; visit to cold storage, go- downs; visit to any farm/ nursery/garden. Preparing herbarium specimens of some crop plants; collection of some seeds etc; preparing a table/chart on different irrigation practices and sources of water in different parts of India; looking at roots of any legume crop for nodules, hand section of nodules. Microscope, kit materials; information about techniques of food preservation. Making a lens with a bulb; Observation of drop of water, curd, other sources, bread mould, orange mould under the microscope; experiment showing fermentation of dough – increase in volume (using yeast) – collect gas in balloon, test in lime water. 2. Materials (Periods - 26) Materials in daily life Are some of our clothes synthetic? How are they made? Where do the raw materials come from? Do we use other materials that are synthetic? Do we use cloth (fabric) for purposes other than making clothes to wear? What kind of fabric do we see around us? What are they used for? Synthetic clothing materials. Other synthetic materials, especially plastics; usefulness of plas