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Properties and Changes of Matter

Properties and Changes of Matter. Matter. Anything that takes up space and has mass State of matter depends on temperature and pressure. States of Matter. Solid particles vibrate in fixed position are packed very closely together give solid definite shape and volume.

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Properties and Changes of Matter

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  1. Properties and Changes of Matter

  2. Matter • Anything that takes up space and has mass • State of matter depends on temperature and pressure

  3. States of Matter Solid • particles vibrate in fixed position • are packed very closely together • give solid definite shape and volume

  4. States of Matter Liquid • particles are moving much faster • have enough energy to slide past one another • take shape of container • Liquids have a definite volume but no definite shape.

  5. States of Matter Gas • Particles are moving very quickly • Have enough energy to move freely away from other particles • Take up as much space as possible and will spread out to fill any container • Gases can be compressed. When they are compressed, their pressure increases.

  6. States of Matter Plasma • occurs at very high temperatures • particles move independently • No definite shape or volume-may take shape of container • some of the gas becomes electrically charged • Usually occurs in fluorescent lightbulbs, atmosphere (stars), and lightning

  7. plasma Energy/Particle Formation

  8. Freezing point- 0o Celsius: liquid (water) becomes solid (ice) Boiling Point- 100o Celsius: liquid (water) becomes gas (steam)

  9. Physical Properties • Any characteristic of a material that can be seen or measured without changing the identity of the material • mass, length, volume, shape, texture, smell, hardness, color, luster, malleability, melting, freezing, boiling, evaporating, density, solubility (solute dissolves in solvent), magnetic, conductivity

  10. Physical Changes • A change in the physicalproperties of a material, but not its identity • Ex: mixing solutions, dissolving powders, tearing/cutting paper,change in state of matter, change in volume or density, breaking glass

  11. Chemical Properties • Any characteristic that gives a substance theability to be changed into a new substance • Chemical Properties/Changes • Flammability, corrosiveness (rust), tarnish (metals), burning of fossil fuels, combustion of car gasoline/diesel fuel, rotting (moldy cheese) digestion, photosynthesis, change in pH

  12. Chemical Changes • A change in the identity of a substance because of the chemical properties of that substance • All chemical changes include: • The production of a new substance • An energy change • Evidence • Production of gas • Production of precipitate (new substance) • Color change • Change in temperature • (endothermic- gets colder, exothermic- gets warmer/hot) • pH change

  13. Law of Conservation of Matter • States that, matter cannot be created or destroyed but can change form • Mass will be conserved during any change

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