Synthetic Fibres and Plastics Class -8 Science Ch. 3 NCERT

Synthetic Fibres and Plastics Class -8 Science Ch. 3 NCERT udemy course

Synthetic Fibres and Plastics Class -8 Science Ch. 3 NCERT

This course explores the fascinating world of synthetic fibers and plastics, focusing on their properties, uses, and environmental impacts. Students will learn why certain fibers are called synthetic and understand the differences between natural and synthetic materials. Through various exercises, they will identify characteristics of materials like nylon, rayon, and acrylic, while examining their strength, durability, and applications in daily life.

The course highlights key concepts such as thermoplastics and thermosetting plastics, explaining their distinctions and practical uses in products like saucepan handles and electrical switches. Students will also classify materials into recyclable and non-recyclable categories and understand why plastics are preferred for specific purposes, such as food storage, due to their non-corrosive and lightweight nature.

Environmental awareness is a significant focus, as students explore the 4Rs—Reduce, Reuse, Recycle, and Recover—and discuss the threats plastics pose to ecosystems. Topics like biodegradable versus non-biodegradable materials and the importance of avoiding excessive plastic use are covered in depth. Additionally, the course examines the health care industry's reliance on plastics and their role as insulators in various applications.

By the end, students will grasp the benefits and drawbacks of synthetic fibers and plastics, enabling them to make informed choices about their use and environmental responsibility.