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Matter.

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Presentation on theme: "Matter."— Presentation transcript:

1 Matter

2 Matter is everything around you, including you!
What is matter? Matter is everything around you, including you! Matter is what all things are made of.

3 Matter has 3 forms. 1. Solid 2. Liquid 3. Gas

4 Solids A solid has its own shape.
A solid does not change unless you cut, bend, or break it. Solids take up space and have mass.

5 Liquids Liquids do not have their own shape.
Liquids take the shape of their container. Liquids take up space and have mass.

6 Gases Gases have no definite size or shape.
Gases take the shape of its container. A gas will fill all the space inside a container. Gases take up space and have mass.

7 Mixtures: A mixture is a combination of two or more substances in which each pure substance retains its individual chemical properties This is a physical blending, not a chemical blending. Composition of the mixture can vary Can be physically separated

8 Heterogeneous & Homogeneous Mixtures:
Heterogeneous Mixture- one that does not blend smoothly throughout and which the individual substances remain distinct Examples: Sand and Water, Oil and Water, Cement Homogeneous Mixture (Solutions)- has constant composition throughout; it always has a single phase Examples: salt water, vinegar, alloys

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22 METHODS OF SEPARATING MIXTURES
Magnet Filter Decant Evaporation Centrifuge Chromatography Distillation

23 FILTRATION A technique that uses a porous barrier to separate a solid from a liquid

24 DISTILLATION A technique that is based on differences in the boiling points of substances

25 CRYSTALLIZATION A technique that results in the formation of pure solid particles of a substance from a solution containing the dissolved substance

26 CHROMATOGRAPHY A technique that separates the components of a mixture on the basis of the tendency of each to travel or be drawn across the surface of another material

27 ELEMENTS AND COMPOUNDS
Elements- are the simplest form of matter that can exist under NORMAL laboratory conditions Cannot be separated into simpler substances by chemical means Are the building blocks for all other --substances Compounds-are substances that can be separated into simpler substances by chemical means


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