NCERT Science Class 8

The Class 8 Science curriculum for CBSE (Central Board of Secondary Education) covers a wide range of topics aimed at fostering a fundamental understanding of scientific principles and their applications. Here’s a summary of what students typically learn:

1. Crop Production and Management: Students learn about various methods of crop production, including preparation of soil, selection of seeds, and agricultural practices like irrigation and crop rotation.
2. Microorganisms: Friend and Foe: This section explores the world of microorganisms, their beneficial and harmful roles, and methods of controlling their growth.
3. Synthetic Fibers and Plastics: Students delve into the production, properties, and uses of synthetic fibers and plastics, as well as their environmental impact and recycling.
4. Materials: Metals and Non-Metals: This unit covers the properties of metals and non-metals, their extraction, and applications in daily life.
5. Coal and Petroleum: Students learn about the formation, extraction, and uses of fossil fuels like coal and petroleum, as well as the environmental consequences of their usage.
6. Combustion and Flame: This section explores the process of combustion, types of flames, and fire safety measures.
7. Conservation of Plants and Animals: Students study the importance of biodiversity, conservation strategies for plants and animals, and the impact of human activities on ecosystems.
8. Cell: Structure and Functions: This unit introduces students to the basic structure and functions of cells, including different organelles and their roles in living organisms.
9. Reproduction in Animals and Plants: Students learn about the reproductive processes in animals and plants, including sexual and asexual reproduction, as well as the life cycle of flowering plants.
10. Force and Pressure: This section covers the concepts of force, pressure, and their effects on objects, along with practical applications and safety measures.
11. Friction: Students explore the causes and effects of friction, its role in daily life, and methods of reducing friction.
12. Sound: This unit introduces students to the nature, propagation, and properties of sound, along with its applications and effects.
13. Chemical Effects of Electric Current: Students learn about the chemical changes produced by electric current, including electrolysis and its applications.
14. Some Natural Phenomena: This section covers natural phenomena like lightning, earthquakes, and tsunamis, along with safety measures and preventive strategies.
15. Light: Students explore the nature, properties, and behavior of light, including reflection, refraction, and optical instruments.

Through these topics, the Class 8 Science curriculum aims to nurture a scientific temperament among students, encouraging curiosity, critical thinking, and an understanding of the world around them.