Complete Explanation of CBSE Notes
Reaching the Age of Adolescence Class 8 Notes- Chapter 10 It is only after the puberty sets in, humans become capable of reproduction. The class 8 science chapter 10, discusses the various changes that hormones are responsible for making a child grow into an adult. The period in life where the body undergoes change resulting …
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Reproduction in Animals Class 8 Notes – Chapter 9 Reproduction is vital for the continuation of species. There are two modes of reproduction in animals, they are: Sexual reproduction – A type of reproduction in which gametes are produced by the reproductory parts and fuses to form a zygote which later develops into a new individual …
Cell – Structure and Function Class 8 Notes – Chapter 8 A cell is the basic structural unit of an organism. The cell was first discovered by Robert Hooke, until then very little was known about the cell. Cells are assembled to make the body of an organism. Organisms made of more than one cell …
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Conservation Of Plants And Animals Class 8 Notes – Chapter 7 The government imposes methods, rules and policies to protect and conserve forest and wildlife. National parks, wildlife sanctuaries, biosphere reserves etc., are protected areas for the conservation of animals and plants present in an area. Biosphere – Areas meant for the conservation of biodiversity. They …
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CBSE Class 8 Chapter 6 notes – Combustion and Flames Combustion is a chemical process in which a substance reacts with oxygen and liberates heat. Substances that undergo combustion are said to be combustible. Sometimes, during combustion light is given off as flames or a glow. Oxygen in the air is essential for combustion. The …
Coal and Petroleum Class 8 Notes – Chapter 5 Around 300 million years ago, the dense forest in wetland areas was buried under the soil due to flooding. They were compressed, as more and more soil deposited over them. Under high pressure and temperature, the dead plants were converted to coal. The other exhaustible natural …
Materials Metals and Non-metals Class 8 Notes – Chapter 4 Everything around us is categorized into either metals or non-metals. Hence, it is important to know what non-metals and metals are and how to distinguish them. The class 8 science chapter 4 discusses the various physical and chemical properties of metals and non-metals. To help …
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CBSE Class 8 Science Chapter 3 Notes: Synthetic Fibres And Plastics Clothes that we wear on a daily basis are made of fabrics. Fabrics are made of fibres which are obtained from natural and artificial sources. Wool, silk, and cotton are a few examples of natural fibres and fibres like polyesters and terylene are a few …
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CBSE Class 8 Science Chapter 2 Notes: Microorganisms If you observe a drop of water from the pond through a microscope, you will see a lot of tiny rounded structures. These tiny creatures are known as microbes or microorganisms. They are all around us and are so small in size that they cannot be seen with …
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CBSE Class 8 Science Chapter 1 Notes – Crop Production And Management Till 10,000 B.C.E human beings led a nomadic life, wandering in groups from place to place in search of food and shelter. Later, as the population grew they found methods to cultivate land and produce rice, vegetables, and other food crops. Thus, ‘Agriculture’ emerged. …
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CBSE Revision Notes