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States of Matter Kinetic Molecular Theory Four States of Matter Thermal Expansion

SOLIDS, Liquids, & Gases. States of Matter Kinetic Molecular Theory Four States of Matter Thermal Expansion. Kinetic Molecular Theory (KMT). Tiny, constantly moving particles make up all matter. The temperature of matter increases as the kinetic energy (motion) of its atoms increase.

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States of Matter Kinetic Molecular Theory Four States of Matter Thermal Expansion

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  1. SOLIDS, Liquids, & Gases States of Matter Kinetic Molecular Theory Four States of Matter Thermal Expansion

  2. Kinetic Molecular Theory (KMT) Tiny, constantly moving particles make up all matter. The temperature of matter increases as the kinetic energy (motion) of its atoms increase.

  3. Four States of Matter Solids Low KE - particles vibrate but can’t move around Definite shape & volume

  4. Four States of Matter Liquids higher KE - particles can move around but are still close together indefinite shape definite volume

  5. Four States of Matter Gases high KE - particles can separate and move throughout container indefinite shape & volume

  6. Four States of Matter Plasma very high KE - particles collide with enough energy to break into charged particles (+/-) gas-like, indefiniteshape & volume stars, fluorescentlight bulbs, TV tubes

  7. Thermal Expansion Most matter expands when heated & contracts when cooled.  KE causes  Temp . Particles collide with more force & spread out. EX: thermostats (bimetallic strip)

  8. Phase changes Changes of State Phase changes Heating curves

  9. Phase Changes Melting solid to liquid Freezing liquid to solid melting point = freezing point

  10. Phase Changes Vaporization (boiling) liquid to gas at the boiling point Evaporation liquid to gas below the boiling point Condensation gas to liquid

  11. Phase Changes Sublimation solid to gas EX: dry ice, freeze drying, iodine

  12. Heating Curves (part I)

  13. Heating Curves (part II)

  14. Heating Curves (part II)

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