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23 Cards in this Set
- Front
- Back
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WHY DOES ICE FLOAT IN WATER?
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BECAUSE IT IS LESS DENSE THAN WATER
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ENERGY MOVEMENT OF MOLECULES IN A GAS
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THEY MOVE AROUND FREELY ALSO THEY HAVE ENOUGH ENERGY TO BREAK APART FROM THEIR NEIGHBORS
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ENERGY MOVEMENT IN LIQUID
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ATOMS MOVE AROUND EACH OTHER OR ON TOP OF EACH OTHER. NOT ENOUGH ENERGY TO SEPERATE
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ENERGY MOVEMENT IN A SOLID
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ATOMS DONT HAVE ENOUGH ENERGY TO MOVE OR BREK APART FROM THEIR NEIGHBORS
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WHAT CAUSES EARTH'S ATMOSPHERIC PRESSURE?
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WEIGHT OF AIR
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DEFINITION OF PRESSURE
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DISTRIBUTED FOCE PER UNIT WITHIN A SOLID
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WHY DO SUBSTANCES HAVE DIFFERENT MELTING/BOILING POINTS
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INTERMOLECULAR FORCES ARE STRONGER OR WEAKER THAN OTHERS
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WHY IS PLASTIC AND SILICON VALUABLE?
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FOUNDATION OF MICRELECTRONICS
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EXAMPLES OF AMORPHOUS
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RUBBER WAX GLASS
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EXAMPLES OF CRYSTALLINE
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SALT STEEL METAL
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EXAMPLES OF CONDUCTORS
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COOPER ALUMINUM GOLD
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EXAMPLES OF INSLUATORS
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WOOD PLASTIC FOAM
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INTERMOLECULAR FORCE
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FORCES BETWEEN SEPERATE ATOMS TO CLOSE THEY BECOME REPULSIVE
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BONDING FORCE
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FORCE WHERE ATOMS GET TOO CLOSE THEY VIBRATE AND SCATTER
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EXAMPLES OF SOLIDS (PROPERITIES)
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STRENGTH DUCTILITY ELASTICITY DENSTIY THERMAL CONDUCTIVITY ELECTRICAL CONDUCTIVITY
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HEAT CONDUTION
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DIRECT TRANSFER OF HEAT (DIRECT CONTACT)
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BOILING POINT
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SUBSTANCES CHANGE FROM LIQUID TO GAS BELOW BOILING POINT
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EVAPORATION
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CHANGE FROM LIQUID TO GAS AT A TEMPERATURE UNDER BOILING POINT
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CONDENSATION
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CHANGE FROM GAS TO LIQUID AT TEMPERATURE BELOW BOILING POINT
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CRYSTALLINE
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SOLIDS THAT HAVE A REPEATING PATTERN OF MOLECULES
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AMORPHOUS
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SOLIDS THAT DO NOT HAVE A REPEATING PATTERN
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POLYMER
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MOLECULES ARE MADE TOGETHER IN A LONG CHAIN (REPEATS)
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THERMAL EQUILIBRIUM
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TEMPERATURE IS SAME NO HEAT FLOWS
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