8th Std Science Ch 17 Man-made Materials Part 1 | Plastics, Thermoplastics & Thermocol | SSC

8th Std Science – Chapter 17: Man-made Materials (Part 1)

In this video we explain Plastics & Thermocol clearly and exam-wise — strictly as per the textbook. Learn what plastics are, why they are widely used, their types (thermoplastics vs thermosetting plastics), common examples like PVC, PE, PS, Bakelite, Melamine, their properties and uses, and why plastic is an environmental concern.
We also cover thermocol (polystyrene) — preparation, uses (packaging, plates), health hazards and pollution risks. Finally, get simple board-answer points and practical tips (4R principle: Reduce, Reuse, Recycle, Recover) for classroom and exams.
Key topics in this part

Definition of man-made materials & plastics

Thermoplastics (polythene, PVC, PP, etc.) — properties & uses

Thermosetting plastics (Bakelite, Melamine) — properties & uses

Thermocol: uses, combustion hazards, health effects

Plastic: non-degradable nature & environmental impact (degradation table)

Simple exam-ready points, examples & 4R principle for pollution control
📚 Perfect for: Class 8 SSC students, parents & teachers — for revision, MCQs and short/long answers.
🎓 Subscribe to Galaxy Classes for full textbook-aligned Science revision with clear diagrams & exam tips.

(Textbook reference: Chapter 17 — Plastics, Thermocol, properties & environmental effects)

#8thStdScience #SSC #Chapter17 #ManmadeMaterials #Plastics #Thermoplastics #Thermosets #Thermocol #ScienceRevision #GalaxyClasses
.

Видео 8th Std Science Ch 17 Man-made Materials Part 1 | Plastics, Thermoplastics & Thermocol | SSC канала GALAXY CLASSES