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Published byBarnaby Albert Owens Modified over 9 years ago
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States of Matter What is Matter?
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Matter: Anything that has volume and mass. Matter: Anything that has volume and mass. Volume: The amount of space an object takes up. If something takes up space it is matter. Volume: The amount of space an object takes up. If something takes up space it is matter. Mass: The amount of matter (stuff) in an object. Mass: The amount of matter (stuff) in an object. Density: the amount of matter in a given volume. Density: the amount of matter in a given volume.
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The desks The tables The dust on the counter Our clothes Our books Us Everything is made of matter WhAt ThIngS ArE MaDe Of MaTteR?
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Calculating Volume Liquid Volume: Liquid Volume: - Graduated Cylinder Solid Volume: Solid Volume: - Regular Shape; measure and calculate - Irregular Shape: Volume by Displacement
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Density The amount of matter in a given volume The amount of matter in a given volume Density = mass divided by volume D =M Density = mass divided by volume D =MV Density can be used to identify substances Density can be used to identify substances The density is the same regardless of the size of the object. Mass = 96.6g Volume = 5.0 cm 3 Mass = 193.2g Volume = 10 cm 3 Mass = 48.3g Volume = 2.5 cm 3
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Characteristic Properties A quality of a substance that never changes and can be used to identify the substance. (Also called physical property) A quality of a substance that never changes and can be used to identify the substance. (Also called physical property) These properties include: These properties include: - Melting Point - Boiling Point - Thermal Conductivity - Electrical Conductivity - Solubility - Hardness - Density - Malleability - Ductility
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3 States of Matter 1. Solids 2. Liquids 3. Gases
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Solids Solids Particles of solids are tightly packed, vibrating about a fixed position. Solids have a definite shape and a definite volume. Solids do not flow easily because the particles cannot move/slide past one another
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Liquids Particles of liquids are tightly packed, but are far enough apart to slide over one another. Liquids have an indefinite shape and a definite volume. Liquids flow easily because the particles can move/slide past one another.
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Gases P P P Particles of gases are very far apart and move freely. G G G Gases have an indefinite shape and an indefinite volume. G G G Gases flow very easily because the particles randomly move past one another.
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