Question

write a paragraph on principles of sorting materials into groups​

Answer 1

Explanation:

The process of sorting and grouping objects/things according to some basis is called Classification. It makes study of large number of objects of different type easier, simple, systematic and convenient. Different types of materials have different properties.

Answer 2

Explanation:

Objects around us have different shapes, sizes, colours and uses. But do you know what they are made up of? Well actually, they are made up of one or more materials such as paper, glass, plastic, cloth, wood, metal, mud, soil, cotton, etc. Interesting? Let’s find more about sorting materials into groups in this section…