Types of Materials


 
 
Concept Explanation
 

Types of Materials

We may use many materials in our daily life. Some are made up of natural materials such as wood, cotton, stones and clay. A material can be used to make different kinds of things. For example: glass can be used to make bowls, tumblers, window panes etc.

  • The material may be naturally occurring or man - made. For example, wool, cotton, jute and marble are naturally occurring materials.
  • Glass, paints, steel, cement, thermocole, plastic, nylon are man - made materials.
  • Clothes are one of our basic needs. We wear clothes mainly to protect our bodies from weather conditions, such as heat, cold and rain. We wear different types of clothes according to climate, occupation, culture, traditions and daily needs. People in different regions of the world wear different types of clothing.
  • People living in hot countries wear light coloured clothes. People living in cold countries prefer woolen clothes to keep them warm like coats, sweaters, jackets etc.
  • The clothes that we wear daily, the towels, the curtains, etc., are made from different types of fabrics. Fabric is commonly called cloth.
  • Clothes are made of different materials. We get these materials from both plants and animals.
  • Clothing material can  be broadly classified into two types based on the material used  : Natural material and Artificial material.
  • Types of Materials :

  • Natural fibres are of two types: plant fibres like cotton and jute and animal fibre like wool and silk. The fibres made from simple chemical molecules called monomers. 
  • Monomers join in large number to form a long chain of molecules called polymers. The polymers which occur in nature are called natural polymers.
  • Cellulose, silk, wool, proteins are natural polymers. The polymers which are made in laboratories from small molecules are called man - made polymers for example nylon, polythene, rayon etc.
  • Sample Questions
    (More Questions for each concept available in Login)
    Question : 1

    Which of the following are correct ?

    (a) The material may be artificially occurring or man - made. For example, wool, cotton, jute and marble are naturally occurring materials.

    (b) Glass, paints, steel, cement, thermocole, plastic, nylon are man - made materials.

    Right Option : B
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    Explanation
    Question : 2

    Which of the following are correct :

    (a) Wool, cotton, jute and marble are naturally occurring materials.

    (b) Cellulose, silk, wool, proteins are natural polymers.

    (c) Glass, paints, steel, cement, thermocole, plastic, nylon are man - made materials.

    Right Option : D
    View Explanation
    Explanation
    Question : 3

    Which of the following is a animal fibre ?

    Right Option : C
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    Explanation
     
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