Science

Light is an essential part of our daily life. It helps us see objects around us and is fundamental to many natural phenomena. In this chapter, we learn about the…

Introduction Nature presents many amazing phenomena that can be observed around us. Some of these phenomena are lightning, thunder, electric sparks, magnetism, earthquakes, etc. Understanding these natural events helps us…

Introduction When an electric current passes through a conducting solution or molten compound, it causes chemical changes. These changes are called chemical effects of electric current. This chapter explains electrolysis,…

Introduction The period of life when the body undergoes several physical, mental, and emotional changes is known as adolescence. This stage marks the transition from childhood to adulthood. In humans,…

eproduction in Animals – Class 8 Science Notes Introduction Reproduction is the biological process by which living organisms produce new individuals of the same kind. It helps in the continuation…

Conservation of Plants and Animals The conservation of plants and animals is vital for maintaining the balance of ecosystems. Over-exploitation, habitat destruction, and environmental changes have resulted in the endangerment…

Introduction to Combustion and Flame Combustion is a chemical process in which a substance reacts with oxygen to produce heat and light. This reaction is commonly known as burning. The…

Meta Description: Introduction to Coal and Petroleum Coal and petroleum are fossil fuels, which are non-renewable sources of energy. These fuels were formed millions of years ago from the remains…

Introduction to Microorganisms Microorganisms are tiny living organisms that are invisible to the naked eye. They can be found everywhere — in the air, water, soil, and even inside the…

Introduction to Crop Production and Management Crop production is the process of growing plants for food, fiber, medicinal use, and other purposes. To ensure healthy and high-yielding crops, it is…