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2.1 States of Matter Hyeji Jun
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Atoms Everything is made up of atoms. In solids, the particles vibrate, and when heated they receive energy and vibrate faster. At one point they start moving but are not free (they turn into liquid). In liquid, the particles move around, and when heated they receive energy and break free (they turn into gas).
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Plasma Exists only at high temperatures Indefinite shape Indefinite volume Under influence of a magnetic field example: Neon signs Lightning Stars
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Properties of Solids Atoms are packed (ordered) Dense Has a definite shape Has a definite volume Not very compressible example: Ice
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Properties of Liquids Atoms are somewhat free (disordered) (Usually) less dense than solids Indefinite shape Definite volume Somewhat compressible example: Water
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Properties of Gases Atoms are free (disordered) Much lower density than liquids and solids Indefinite shape Indefinite volume Compressible example: Steam
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Stages SolidGas Liquid Melting Freezing Boiling Condensation Sublimation
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Bibliography http://edutech.csun.edu/eduwiki/ULimages/2/22/Slgas.jpg http://edutech.csun.edu/eduwiki/ULimages/2/22/Slgas.jpg http://ap-physics.david-s.org/states-matter/http://ap- physics.david-s.org/states-matter/ http://ap-physics.david-s.org/states-matter/http://ap- physics.david-s.org/states-matter/ http://eschooltoday.com/science/states-and-behaviour-of- matter/images/molecules-under-a-microscope.jpg http://eschooltoday.com/science/states-and-behaviour-of- matter/images/molecules-under-a-microscope.jpg http://en.wikipedia.org/wiki/Plasma_(physics) http://en.wikipedia.org/wiki/Plasma_(physics http://nikonites.com/attachments/general- photography/4573d1311316950-lightning-chase-2011-a-dsc_2895- 1-1.jpg http://nikonites.com/attachments/general- photography/4573d1311316950-lightning-chase-2011-a-dsc_2895- 1-1.jpg
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