sad

CBSE Syllabus for Grade VIII Science for Academic Year 2020-2021 CBSE Grade VIII Science Syllabus is beneficial to the learner  who are preparing for their examinations. The  CBSE Syllabus  is designed by the team of experts after a thorough research. Learner  must refer this syllabus every time whenever they study. It will help them in knowing the topics that they have to study. Moreover it will also provide weightage of each unit of Science subject. Download CBSE Grade VIII Science Syllabus PDF for 2020-2021 Chapter 1:  Crop Production and Management Chapter 2:  Microorganisms: Friend and Foe Chapter 3:  Synthetic Fibres and Plastics Chapter 4:  Materials – Metals and Non-Metals Chapter 5:  Coal and Petroleum Chapter 6:  Combustion and Flame Chapter 7:  Conservation of Plants and Animals Chapter 8:  Cell – Structure and Functions Chapter 9:  Reproduction in Animals Chapter 10:  Reaching the Age of Adolescence...

SYNTHETIC MATERIALS Polymer:-   A  polymer is made of small units.The monomers combine end-to-end under certain condition to form a polymer. For example cellulose is a polymer of glucose while hemoglobin is a polymer of amino acids. Polymerization :-                                      The process of formation of polymer from a monomer is called polymerization. Polymers can be classified into three types ·          NATURAL, ·          SEMI- SYNTHETIC ·          SYNTHETIC   TYPES OF FIBRES Fibres are also Polymers, so they are of above three types. TYPES OF FIBRE EXAMPLES Natural Cotton, jute, Silk, wool Semi synthetic Rayon (viscous, cuprammonium and acetat...