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Ch.8: Solids, Liquids, Gases

Chapter 8 Important Words

States of MatterSolid, liquid, gas, plasma
Kinetic Theory of MatterParticles in constant motion make up all matter.
CrystalsParticles arranged in repeating geometric patterns.
PlasmaGaslike mixture of positively and negatively charged particles.
Thermal ExpansionMatter expanding when hot, contracting when cool.
Polluted WaterWater unfit for living things.
Thermal PollutionHot water for example.
EvaporationLiquid to gas, below the boiling point.
CondensationWhen a gas changes to a liquid.
Heat of fusionThe amount of energy needed to change a material from a solid to a liquid.
Heat of vaporizationThe amount of energy needed to change a material from a liquid to a gas.
PressureThe amount of force exerted per unit of area.
PascalThe SI unit for pressure.
Boyle's lawDecrease the volume, the pressure increases.
Charles's lawIncrease the temp., the volume of a gas increases.
Buoyant forceThe upward force exerted by a liquid or gas.
Archimedes' principleThe buoyant force on an object is equal to the weight of the fluid displaced by the object.
Pascal's principlePressure applied to a fluid is transmitted throughout the fluid.
Bernoulli's principleAs the velocity of a fluid increases, the pressure exerted by the fluid decreases.


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