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Picture 1. Picture 2. Picture 3. Picture 4. Picture 5. MATTER. Kinetic Energy ( KE ) - energy of motion All matter is made of millions of tiny particles these Particles are constantly moving, and have KE. STATES OF MATTER.

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

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

  8. SOLID - state of matter when materials have definite shape and definite volume • atoms are packed tightly together • Atoms are arranged neatly, orderly • Shape and volume CAN change • Atoms vibrate around the same location

  9. Liquid- state of matter when materials have definite volumeand indefinite shape • liquid takes the same shape as its container • Particles FLOW • Atoms are close, but not tight • Atoms are randomly arranged

  10. Gas – state of matter when materials have indefinite shape AND volume • take shape and volume of container • Atoms spread to fit container • Atoms move rapidly, constantly • Atoms randomly arranged

  11. 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

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

  13. State Change • Melting – changing from solid to liquid • when a solid gains heat • Temperature and energy INCREASE

  14. 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 and melting point are the same

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

  16. 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

  17. 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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