Raw Materials to Finished Goods for Class 3 EVS - Orchids
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Raw Materials to Finished Goods for Class 3 EVS

  • Humans make a variety of things using the natural raw materials available. They harness these resources to convert them into usable forms. The clothes we wear are an example of such a process.
  • Apart from using fibres to make different types of clothes, we use wood to make furniture, clay to make pots, and plant pigments to prepare colours.

Fibre to Fabric

Question 1:

What Would Happen if Clothes Were Not Stitched?

Answer:

  • Stitching is a skill of making a variety of clothes.
  • Long unstitched clothes are not easy to manage and wear, so they are converted into suitable clothes for wearing.
Stitched clothes

Question 2:

What Is the Colour of Fibres Like Cotton and Silk? How Are They Coloured?

Answer:

  • Natural fibres like cotton and silk are white or colourless when obtained from their sources.
  • They are spun to make fibres which are coloured using various dyes before they are weaved or knitted to make clothes.
Dyeing

Question 3:

Why Does a Potter’s Wheel Always Round and Not Square?

Answer:

  • As long as there is any motor or machine for spinning the wheel, the wheel's shape does not matter.
  • But the wheel is circular in shape, so it can be convenient for the potter to use it. A shape with corners may be dangerous while working.
Potter’s Wheel

Question 4:

How Does Soft Clay Become Hard When Converted Into a Shaped Vessel?

Answer:

  • When a vessel made out of clay is allowed to dry, it loses water, making it hard.
  • Once these vessels are heated in a kiln, all water is lost, and they become harder and long-lasting.

Recycled Materials

Question 1:

Can We Use Old Sarees and Dhotis Again?

Answer:

  • Yes, since dhoti and saree are unstitched clothes, they can be converted into various dresses.

Question 2:

List the Things You Can Use to Make Designs on Clothes.

Answer:

The following things can be used to make designs on clothes—

  • Toothbrush
  • Designed wooden blocks
  • Leaves
  • Crushed paper
  • Cotton
  • Thread
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