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what is sieving used for?

Sieving is used for separating the mixtures containing components of different sizes. It is defined as the process of separating smaller particles from bigger ones by passing them through a sieve. For example, a mixture of sand and stones can be separated by the process of sieving. Fine sand particles pass through the holes of the sieve, while stones which are big in size remain on the sieve.

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  • sieving - it is a method used to separate fine particles from the bigger ones . the finer particles pass through the sieve and drop down . the bigger oes remain behind .
  • eg . - sand is separated from pebbles by sieving .

tea leaves are separated from tea by sieving . (filtration)

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PLACES WHERE SEIVING IS USED ARE:

AT CONSTRUCTION SITE : STONES AND PEBBLES ARE REMOVED FROM GRAVEL

AT HOME : TO SEPARATE BRAN FROM FLOUR.

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A sieve is used when you are cooking something and you need to get rid of the lumps, such as when you are making a cake, you often sieve the flour before adding it to the mixture so that it is not lumpy. A sieve can also be used when you are cooking something like vegetables and want to get rid of the water you have boiled them in. You would hold the sieve over the sink and then pour the vegetables and water into the sieve and you would be left with just the vegetables because the water would go through the little holes in the sieve and down the sink.

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