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Flash Cards: Methods of Separation in Everyday Life

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Methods of Separation in Everyday Life - Flash Cards

These flash cards cover important concepts from Methods of Separation in Everyday Life in Curiosity for Class 6 (Science).

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What is handpicking?

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Handpicking is a method of separating components from a mixture based on differences in size, color, and shape, often done by hand.

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2/19

Define threshing.

2/19

Threshing is the process of separating grains from the stalks by beating them.

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3/19

What is winnowing?

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3/19

Winnowing is the method of separating lighter components (like husk) from heavier components (like grains) using wind or air.

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4/19

How does sieving work?

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Sieving separates solid particles based on size using a sieve, allowing smaller particles to pass through while retaining larger ones.

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What is sedimentation?

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Sedimentation is the process where heavier insoluble particles settle at the bottom of a liquid.

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What follows sedimentation?

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Decantation follows sedimentation, where the liquid is carefully poured off, leaving the solid behind.

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What is filtration?

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Filtration is the process of separating solids from liquids by passing the mixture through a filter, retaining the solid and allowing the liquid to pass.

8/19

Define magnetic separation.

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Magnetic separation is the process of removing magnetic substances from non-magnetic ones using a magnet.

9/19

Explain the process of evaporation.

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Evaporation is the process of turning liquid into vapor, useful for separating solids dissolved in liquids.

10/19

Give an example of handpicking.

10/19

Separating black pepper from rice in pulao is an example of handpicking.

11/19

What is the role of a sieve?

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A sieve is used to separate fine substances like flour from larger particles like bran.

12/19

What is the main purpose of winnowing?

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The main purpose of winnowing is to separate edible grains from husk and other impurities using air.

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What are the components of a mixture?

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Components of a mixture are the different substances contained within it, which can be separated by various methods.

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What does a thresher do?

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A thresher is a machine that separates grains from their stalks and husk efficiently.

15/19

Name a method used to purify salt from seawater.

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Salt can be purified from seawater by evaporating the water, leaving behind the solid salt.

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What types of materials can be used for filtration?

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Materials like cotton, charcoal, sand, and filter paper can be used for filtration based on particle size.

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How does decantation work?

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Decantation works by carefully pouring the liquid off from the settled solids without disturbing them.

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What can happen during filtration of muddy water?

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Filtration of muddy water will retain mud particles on the filter while allowing clear water to pass through.

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What is churning in the context of butter?

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Churning separates butter from buttermilk by agitating curd so that butter floats to the top.