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Properties of Matter Definitions

Properties of Matter Definitions. Matter - anything that has mass and takes up space Mass - amount of matter an object contains Substance (pure) - matter that has a uniform composition Ex. Sugar - C 12 H 22 O 11 Lemonade is not a pure substance. Properties of Matter States of Matter (Solid).

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Properties of Matter Definitions

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  1. Properties of MatterDefinitions • Matter - anything that has mass and takes up space • Mass - amount of matter an object contains • Substance (pure) - matter that has a uniform composition • Ex. Sugar - C12H22O11 • Lemonade is not a pure substance

  2. Properties of MatterStates of Matter (Solid) • Definite shape • Definite volume • Is incompressible (atom or molecules can not be pushed closer together) • Examples - • coal, sugar, ice, etc

  3. Properties of MatterStates of Matter (Liquid) • Matter that flows • Has a fixed volume • Takes the shape of its container • Incompressible • Examples • Water, milk, blood, etc

  4. Properties of MatterStates of Matter (Gas) • Matter that takes the shape and volume of its container • Easily compressed • Examples • Oxygen, nitrogen, helium, etc

  5. States of Matter Video

  6. Properties of MatterPhysical Property • An observed condition of the substance • Physical properties help identify substances • Examples include: • Color • Solubility • Odor • Density • Hardness • Melting point (m.p.) • Boiling point (b.p.) • Malleability • Ductility • Luster

  7. Properties of MatterPhysical Change • A change which alters a given material without changing its composition • Nothing new is made • Example • Ice melting - new state of matter but substance is still H2O • Vapor - a substance that is in a gaseous state but liquid at room temp

  8. Change of State - a physical change

  9. Properties of MatterChemical Property • The ability or inability of a substance to rearrange its atoms. • Example • Gasoline has the ability to react violently with oxygen

  10. Physical and Chemical Properties

  11. Properties of MatterChemical Change • The actual rearrangement of atoms • Example • The combustion of gasoline to make carbon monoxide, carbon dioxide, carbon, water (this produces a great amount of energy)

  12. Classifying a physical or chemical change • Ask yourself these questions: • 1. Has something new been made? • If yes than a chemical change occurred • Indicators - color change, formation of precipitate, absorption or release of energy, formation of a gas • 2. What does it take to get back to the original form? • If a physical process can revert it back than the change was physical.

  13. A chemical change

  14. A sidewalk cracking Blood clotting Getting a tan Making Kool-Aid Making a hard boiled egg Plastic melting in the sun Autumn leaf colors Digestion of food The ripening of a banana Making ice cubes Milk curdling Turning on the television Making toast Mowing the grass Paint fading Grey hair Classify the following as a physical or chemical change

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