Plastic is widely used because it is lightweight, durable, and versatile. It can be molded into various shapes and sizes, making it useful for packaging, household items, and industrial products.
Category: Class 6 Science
NCERT Solutions and Important Questions for class 6 Science for CBSE exams 2020-2021.
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Natural materials come from nature and require minimal processing, like wood and cotton. Man-made materials are chemically processed and engineered for specific properties, like plastic and glass. They differ in origin and usage.
Metals are strong, hard, and durable. They are good conductors of heat and electricity, making them ideal for tools, machinery, and electrical wiring. Metals are also malleable and can be shaped easily.
Wood is useful because it is strong, durable, and can be easily shaped. It is used in construction, furniture making, and as fuel. Its natural availability makes it a widely used material.
Man-made materials are those created by humans through chemical processes, like plastic, glass, and synthetic fibers. These materials are designed to have specific properties for particular uses, like durability or flexibility.