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Separating Mechanical Mixtures. Thursday April 3 rd , 2014 Period 3 - 707. Separating Mechanical Mixtures. Generally speaking, separating mechanical mixtures is easier, because the components of the mechanical mixture are usually quite different from each other. . Filtration.

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Separating mechanical mixtures

Separating Mechanical Mixtures

Thursday April 3rd, 2014

Period 3 - 707


Separating mechanical mixtures1
Separating Mechanical Mixtures

  • Generally speaking, separating mechanical mixtures is easier, because the components of the mechanical mixture are usually quite different from each other.


Filtration
Filtration

  • Filtration is the mechanical process of separating solids from liquids or gases using a porous article or mass, such as paper or sand.

  • When the mixture is poured into the filter, the solid parts are trapped in the filter, and the liquid passes through.

  • Filtrations is used to

    separate solids from liquids

    or gases.


Sorting
Sorting

  • Sorting is a technique that involves separating substances on the basis of appearance (e.g. Size, colour, composition)

  • We should practice this technique to ensure our garbage is put where it belongs!


Sifting
Sifting

  • Sifting is a means of separating solids by component size. It involves shaking a solid material while it passes through a screen or mesh.

  • Components of the solid materials that are small enough to pass through do, separating them from larger components.

  • Sifting is used to separate solids from solids.


Magnetism
Magnetism

  • Some metals are magnetic because their component particles are attracted to the particles within magnets

  • Iron, steel, and nickel are highly attracted to magnets, whereas most other substances are not. Therefore, you can use a magnet to separate magnetic materials from ones which are not.


Check and reflect
Check and Reflect

  • Page 234, questions # 1-8


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