how can we classify materials on the basis of appearance
Answers
Answer:
Classification Of Materials
Let us discuss the classification based on their physical properties:
Appearance:
Materials can be differentiated from each other on the basis of their looks. Some like diamond and gold are shiny in nature i.e. lustrous. Whereas some other materials like graphite and wood do not appear shiny and are generally known as non-lustrous materials. Objects like iron, gold, and copper which are lustrous in nature are often considered as metals.
Materials
Hardness:
While washing utensils, we observe that the sponge can be compressed to some extent whereas the utensils are generally incompressible. In a similar manner, there will be materials like chalk that can be scratched easily whereas others like aluminium cannot be scratched. Materials that can be compressed or scratched easily are referred to as easy substances. Whereas materials that are difficult to scratch and compress are termed as hard substances.
Materials
Transparency:
You might have played hide and seek game numerous times in your childhood days. In this game, we always try to hide so that no one can see us. We generally hide behind the back of objects like sofa and wall. These objects are preferred as one cannot see through these objects. These objects are known as opaque objects for example tree, iron sheet etc. Whereas, material through which we can clearly see the objects are known as transparent objects. For example glass etc. Materials through which objects are partially visible are known as a translucent object. For example oily patch paper.
Explanation:
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Answer:
the anything that occapaiat space is called material