Physical States Of Matter

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Basics of solid, liquid and gas including info about gas and temperature relationship for 8th grade science - based on McDougal Littell series

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Physical States Of Matter

  1. 1. Physical States of Matter Ms. Wells, Science
  2. 2. States of Matter <ul><li>Different forms of matter: </li></ul><ul><ul><li>Solid </li></ul></ul><ul><ul><li>Liquid </li></ul></ul><ul><ul><li>Gas </li></ul></ul><ul><li>State depends on 2 things: </li></ul><ul><ul><li>Particle (atoms/molecules) arrangement </li></ul></ul><ul><ul><li>Particle motion </li></ul></ul>
  3. 3. Solid Matter <ul><li>Fixed volume, Fixed shape </li></ul><ul><li>Particles packed together tightly – usually in a repeating pattern </li></ul><ul><li>Examples: wood, glass, salt, plastic </li></ul>
  4. 4. Solid Matter <ul><li>Particles vibrate in place </li></ul><ul><ul><li>remember – matter is always in motion! </li></ul></ul><ul><li>Want to separate the particles in a solid? BREAK it! </li></ul>
  5. 5. Liquid Matter <ul><li>Fixed volume, changing shape </li></ul><ul><li>Particles can move from place to place </li></ul><ul><li>Particles attracted to each other, but more easily separate </li></ul><ul><li>Take the shape of the container its put in </li></ul><ul><li>Examples: milk, oil, honey, water </li></ul>
  6. 6. Gas Matter <ul><li>Volume changes , shape changes </li></ul><ul><li>Examples: air, oxygen, water vapor </li></ul><ul><li>Particles always push outward on container </li></ul><ul><ul><li>Spread to fill container if there is more space </li></ul></ul><ul><ul><li>Or pack closer together when there is less space = PRESSURE from the pushing! </li></ul></ul>
  7. 8. Pressure: Gases and Temperature <ul><li>Increased temperature (add heat) </li></ul><ul><ul><li>Particles speed up </li></ul></ul><ul><ul><li>(more energy) </li></ul></ul><ul><ul><ul><li>= Volume increases! </li></ul></ul></ul><ul><li>Decreased temperature </li></ul><ul><li>(remove heat) </li></ul><ul><ul><li>Particles slow down </li></ul></ul><ul><ul><li>(less energy) </li></ul></ul><ul><ul><li>= Volume decreases! </li></ul></ul>… More about this in Chapter 2!
  8. 9. The End! Matter matters because it is (almost) everything.

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