Important topics covered in class 8 sound notes: What is sound? Production of sound Propagation of sound Human ear Amplitude Time Period Frequency of a…
Posts tagged as “NCERT”
Important topics Covered in Friction Notes for Class 8: Introduction Friction Factors affecting friction Friction: A Necessary Evil Increasing and reducing friction Fluid Friction Rolling…
Important topics covered: Adolescence Puberty Changes at puberty Secondary sexual characters Role of Hormones in Initiating Reproductive Function Reproductive Phase of Life in Humans How…
Important topics covered: Introduction Modes of reproduction Sexual reproduction Male reproductive system Female reproductive system Fertilization Development of embryo Viviparous and Oviparous Animals Zygote Asexual…
Cell – Structure and functions Important topics covered: Discovery of cell Cell theory Cell structure and function Types of cell Prokaryotic cell Eukaryotic cell Parts…
Important topics covered: Introduction Deforestation and its causes Consequences of deforestation Conservation of forest and wildlife Biosphere reserve Flora and fauna Endemic species Wildlife sanctuary…
Important topics in Combustion and flame notes: What is Combustion? Ignition temperature Inflammable substance How Do We Control Fire? Types of Combustion Flame Structure of…
Important topics covered in Coal and petroleum notes: Introduction Natural Resources Inexhaustible Natural Resources Exhaustible Natural resources Coal Petroleum Natural Gas Limited Natural Resources Introduction:…
Important topics covered in Materials: Metals and Non-metals Introduction Physical properties Conductivity Chemical properties Reactivity Difference between metals and non-metals Uses Introduction to metals and…
Important topics covered: Introduction to fibres and plastics What is synthetic fibre? Types of synthetic fibres Characteristics of Synthetic Fibres Plastics Plastics and the Environment…