Author Archives: bhavancbse

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 …

Continue reading “Combustion and Flame Class 8 Notes”

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 …

Continue reading “Coal and Petroleum Class 8 Notes”

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 …

Continue reading “Materials: Metals and Non-Metals Class 8 Notes”

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 …

Continue reading “Synthetic Fibres and Plastics Class 8 Notes”

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 …

Continue reading “Microorganisms: Friend and Foe Class 8 Notes”

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. …

Continue reading “Crop Production and Management Class 8 Notes”

CBSE Class 8 Science Notes CBSE curriculum of Class 8 Science Notes aims at helping students develop an understanding and evaluation of several basic concepts of physics, chemistry, and biology. Due to the vastness of syllabus, most of the students find it cumbersome to study chapters directly from the textbooks prescribed by their school. Most …

Continue reading “Class 8 Science Notes”

Playing With Numbers Class 8 Notes- Chapter 16 Numbers in General FormThe general form of a number is obtained by adding the product of the digits with there place values.1. The General Form of a Two Digit Numberab = a × 10 + b = 10a + bExample: 93 = 10 × 9 + 3= …

Continue reading “Playing with Numbers Class 8 Notes”

Introduction To Graphs Class 8 Notes- Chapter 15 Graphical methods used to present data is very efficient in organizing the data and understand them. There are various graphical methods which are mentioned below: While comparing among categories, the method which is appropriate is the bar graph. While comparing parts of a whole, pie-chart is the …

Continue reading “Introduction to Graphs Class 8 Notes”

Factorisation Class 8 Notes- Chapter 14 An expression can be factorised into the product of its factors. These factors can be algebraic expressions, variables and numbers also. Please refer Factorisation Class 8 Notes for more revision notes.