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Picture 1. Picture 2. Picture 3. Picture 4. Picture 5. STATES OF MATTER. Matter can be classified into groups based on the shape and volume of their moving particles SOLID LIQUID GAS PLASMA. SOLID - state of matter when materials have definite shape and definite volume

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  6. STATES OF MATTER • Matter can be classified into groups based on the shape and volume of their moving particles • SOLID • LIQUID • GAS • PLASMA

  7. SOLID - state of matter when materials have definite shape anddefinite volume • Atoms are packed tightly together • Atoms are arranged neatly, orderly • Atoms vibrate around the same location

  8. Examples of Solids are • Ice • Frog • Cheese • Bricks • Wood • Popcicle

  9. Liquid- state of matter when materials have definite volume andindefinite shape • Liquid takes the same shape as its container • Particles FLOW past one another easily • Atoms are close, but not tight • Atoms are randomly arranged

  10. Examples of Liquids are • Orange Juice • Water • Soft drinks • Milk • Rubbing Alcohol • Vinegar

  11. Gas – state of matter when materials have indefinite shape AND indefinite volume • Take shape and volume of container • Atoms spread to fit container • Atoms move rapidly, constantly • Atoms randomly arranged with large spaces between them

  12. Examples of Gases are • Steam • Oxygen • Carbon dioxide • Smog • Tear Gas • Helium

  13. Plasma – state of matter made up of small electrically charged particles • Found where there is high temperature and pressure • Rare to find on Earth • Ex, lightning • Used in fluorescent light bulbs and neon lights

  14. MATTER • Kinetic Energy (KE) - energy of motion • All matter is made of millions of tiny particles • these particles are constantly moving, and have KE

  15. Phase Change - reversible physical change from one state to another • heat energy is absorbed or released

  16. Energy determines the state!

  17. When energy is added, particles move faster! When energy is taken away, particles move slower! Add or Subtract Energy. . .

  18. Red = heating Blue = cooling Blahblah blahblahbhla

  19. Melting – changing from solid to liquid • When a solid gains heat • Temperature and energy INCREASE

  20. Freezing –changing from liquid to solid • When a liquid loses heat • Baked cookies are actually FROZEN because they are solid. • Freezing does not always mean COLD. • Freezing point and melting point are the same

  21. Evaporation –changing from a liquid to a gas • Temperature is below boiling point • Water VAPOR or STEAM = gas • More area = faster evaporation

  22. Boiling – when vapor pressure is the same as atmospheric pressure and bubbling occurs • Vapor pressure - pressure created by moving gas particles bumping into each other or the container • Atmospheric pressure – pressure outside the container

  23. Condensation –change from gas to liquid • Water vapor particles hit a cool surface, lose heat, and change into water • Sublimation-change from solid to gas • NO LIQUID IN BETWEEN • Dry ice

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