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प्रश्न
Distinguish between.
Man made material and natural material.
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उत्तर
| S. No. | Natural materials | Man-made materials |
| 1. | Natural materials are those materials, which occur in nature on their own. | Man-made materials are a type of material that doesn't occur naturally and is made by humans. |
| 2. | They are both renewable and non-renewable in nature. | They are non-renewable in nature. |
| 3. | They help in the economic development of people. | They help in economic as well as social development. |
| 4. | They are eco-friendly. | They are not environmentally friendly. |
| 5. | They are not manufactured in factories. | They are manufactured in factories. |
| 6. | Examples: wood, rock, minerals, water, soil, etc. | Examples: glass, plastic, artificial thread, thermocol, etc. |
संबंधित प्रश्न
Fill in the blanks with appropriate words.
Like synthetic fibres, plastic is also a _______
Write uses of PVC.
Explain the effect of following materials on environment and human health.
1. Plastic
2. Glass
3.Thermocol.
Can you replace the following packaging material with those which can be recycled or reused.
Dry eatables in polythene.
HOTS
The Tamil Nadu Government has banned the use of one-time use throwaway plastics. Why do you think this is important?
PVC (polyvinyl chloride) is a thermoplastic and is used for making toys, chappals, etc. Bakelite is a thermosetting plastic and is used for making electrical switches, handles of various utensils, etc. Can you write the major difference between these two types of plastics?
Unscramble the jumbled word given below, related to synthetic material.
Laspict
A syringe that is made from a type of plastic called ______.
Mention a few household products in which microbeads can be found.
The used plate is easy to recycle.
