Sorting Materials Into Group - Chapter Wise CBSE Solved Question and Answer Based On NCERT
Points To Remember:
There is large variety of material around us. This material can be used to make large variety of objects.
It is possible that object can be made up of a single material or of different type of material.
Different materials have different properties. Such as hard or soft, smooth or rough, shiny or not shiny etc.
Some materials are soluble in water such as salt while some are insoluble in water such as sand, oil.
Some materials are there through which things can be seen. These are called transparent. But some materials are there through which things cannot be seen. These are called opaque.
Materials through which objects can be seen but not clearly are called translucent.
Grouping of materials on the basis of their similarities and differences makes it easy to study their properties.
