The worksheet asks you to identify the methods used to separate mixtures based on the images provided. Below is a detailed explanation of each image and the corresponding method of separation:
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Image 1: Sieving
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Description: A person using a sieve to separate a mixture.
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Method:
Sieving
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Explanation: Sieving is used to separate solids of different particle sizes. The larger particles remain in the sieve, while smaller particles pass through the mesh.
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Image 2: Distillation
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Description: A setup with a flask, condenser, and collection tube.
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Method:
Distillation
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Explanation: Distillation is used to separate liquids based on their boiling points. The liquid with the lower boiling point evaporates first and is condensed back into a liquid in the collection tube.
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Image 3: Filtration
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Description: A beaker with a filter paper inside, separating a solid from a liquid.
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Method:
Filtration
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Explanation: Filtration is used to separate solids from liquids. The solid remains on the filter paper, while the liquid passes through.
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Image 4: Magnetism
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Description: A magnet attracting iron filings from sand.
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Method:
Magnetic Separation
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Explanation: Magnetic separation is used to separate magnetic materials (like iron) from non-magnetic materials (like sand).
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Image 5: Evaporation
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Description: A setup with a flask and a condenser, showing evaporation of a liquid.
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Method:
Evaporation
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Explanation: Evaporation is used to separate a dissolved solid from a liquid by heating the solution until the liquid turns into vapor, leaving the solid behind.
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Image 6: Chromatography
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Description: A chromatography setup with a solvent moving up a strip.
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Method:
Chromatography
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Explanation: Chromatography is used to separate mixtures of substances based on their solubility and adsorption properties. Different components move at different rates through the stationary phase.
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Image 7: Decanting
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Description: Two flasks being poured into each other, showing a clear liquid being separated from a settled solid.
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Method:
Decanting
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Explanation: Decanting is used to separate a liquid from a solid that has settled at the bottom of the container. The clear liquid is carefully poured off, leaving the solid behind.
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Image 8: Centrifugation
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Description: A centrifuge spinning to separate layers.
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Method:
Centrifugation
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Explanation: Centrifugation uses centrifugal force to separate particles of different densities. Heavier particles are forced to the bottom, while lighter particles remain at the top.
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Final Answer
Here is the list of methods corresponding to each image:
1.
Sieving
2.
Distillation
3.
Filtration
4.
Magnetic Separation
5.
Evaporation
6.
Chromatography
7.
Decanting
8.
Centrifugation
Boxed Final Answer:
\[
\boxed{\text{Sieving, Distillation, Filtration, Magnetic Separation, Evaporation, Chromatography, Decanting, Centrifugation}}
\]
Parent Tip: Review the logic above to help your child master the concept of separation worksheet.