1.How Are Man-Made Things Prepared Using Natural Things?
- Natural things are used as raw materials for making various things around us.
- Petrol and diesel used in vehicles are products made from crude oil during its purification.
- The furniture we use is made using wood from trees.
- Products like paints and grease are made using the chemicals obtained during the purification of petroleum.
- Iron is obtained from natural minerals.
2.Why Are Specific Raw Materials Used to Make Different Man-Made Things?
- Each natural material has a particular property required to make specific man-made things.
- For example, soil can be a cheap and readily available resource to make clay for pottery.
- Wood has cellulose fibres that are essential for making paper. Therefore, wood is used to make paper.