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MATTER

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on 21 February 2016

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Transcript of MATTER

MATTER
MATTER
Matter is all around us
FILTRATION
MIXTURES
Homogeneous: you can see the individual substances like in a salad
MAGNETIC SEPARATION
DECANTATION
DECANTATION is a process for the separation of mixtures, by removing a layer of liquid, generally one from which a precipitate has settled. The purpose may be either to produce a clean decant, or to remove undesired liquid from the precipitate (or other layers). If the aim is to produce a clean solution, a small amount of solution must generally be left in the container
Heterogeneous: you cant see the individual substances like in a puree

.
Magnetic separation
magnects attract some time of metals
We can use magnetic separation to separate mixtures that consist of metal
Filtration is commonly the mechanical or physical operation which is used for the separation of solids from fluids (liquids or gases) by interposing a medium through which only the fluid can pass. The fluid that passes through is called the filtrate
EVAPORATION
Evaporation is a type of vaporization of a liquid that occurs from the surface of a liquid into a gaseous phase that is not saturated with the evaporating substance. The other type of vaporization is boiling, which is characterized by bubbles of saturated vapor forming in the liquid phase.
MADE BY
this project is made by

Carlos López Mateos
CHEMICAL REACTIONS
CHEMICAL:chemical reactions change the propertis of de original substances
OXIDATION
Some metals have a chemical property which makes them react when they are exposed to air. Atoms in iron react with the oxygen in the air. When this happens, the atoms are changed into a new substance. This new substance has a brown colour and is called rust. This process is called oxidation. Oxidation also occurs in some foods. Apples and potatoes oxidise when they are peeled or cut.
FERMENTATION
fungi or bacteria change organic substances into other substances. During the process of fermentation, fungi produce alcohol and bacteria produce lactic acid. Oxygen does not take part in this reaction. Fermentation is used to make foods such as cheese or bread and drinks such as wine. Fermentation also occurs naturally in sugars in fruits or vegetables, which helps with decomposition.

Fermentation is also used to preserve food all over the world. Vegetables, fruit, fish, and meat can all be stored for longer if they are fermented first.
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