Separation Techniques in Science Class 6

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Questions and Answers

Which method of separation is used to separate a mixture of salt and water?

  • Filtration
  • Distillation
  • Decantation
  • Evaporation (correct)

Which method of separation is used to separate a mixture of sand and water?

  • Filtration (correct)
  • Distillation
  • Decantation
  • Evaporation

Which method of separation is used to separate a mixture of oil and water?

  • Filtration
  • Decantation (correct)
  • Distillation
  • Evaporation

Which one of these is a characteristic of plants?

<p>They can produce their own food (C)</p> Signup and view all the answers

Which one of these is a part of a plant?

<p>Roots (D)</p> Signup and view all the answers

Which one of these is a way in which plants reproduce?

<p>By producing seeds (B)</p> Signup and view all the answers

Flashcards

Evaporation

Separates a mixture by heating it until the water turns into vapor, leaving the salt behind.

Filtration

Separates solid particles from a liquid by passing the mixture through a filter.

Decantation

Separates liquids that don't mix by carefully pouring off the top layer.

Plant Characteristic

Plants use photosynthesis to convert light, water, and carbon dioxide into energy.

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Roots

The part of the plant that absorbs water and nutrients from the soil.

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Plant Reproduction

A plant creates new plants by producing seeds.

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Study Notes

Separation Methods

  • To separate a mixture of salt and water, the method of separation used is filtration or evaporation.
  • To separate a mixture of sand and water, the method of separation used is filtration or decantation.
  • To separate a mixture of oil and water, the method of separation used is separation by density or decantation.

Plant Characteristics

  • A characteristic of plants is photosynthesis.
  • A part of a plant is roots.
  • A way in which plants reproduce is flowering and seed production.

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