STEELE--THERMAL ENERGY
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| MATTER | THE SUBSTANCE OF ATOMS AND MOLECULES THAT COMPOSE ALL PHYSICAL OBJECTS
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| ATOM | THE SMALLEST PARTICLE OF MATTER THAT CONSISTS OF A DENSE NUCLEUS FULL OF PROTONS (POSITIVE) AND NEUTRONS (NEUTRAL) SURROUNDED BY ELECTRONS (NEGATIVE)
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| ATOMIC MOTION | WHEN ATOMS ARE MOVING
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| MOLECULE | A GROUP OF ATOMS HELD TIGHTLY TOGETHER BY COVALENT BONDS (ATTRACTION DUE TO SHARED ELECTRONS
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| MOLECULAR MOTION | WHEN MOLECULES ARE MOVING
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| THERMAL ENERGY | TOTAL ENERGY INCLUDING KINETIC AND POTENTIAL ENERGY OF THE PARTICLES THAT MAKE UP A MATERIAL;IS TRANSFERRED BY CONDUCTION, CONVECTION AND RADIATION
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| HEAT | THE TRANSFER OF THERMAL ENERGY THAT FLOWS FRO A WARMER MATERIAL TO A COOLER MATERIAL (MEASURED IN JOULES)
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| SPECIFIED HEAT | THE AMOUNT OF ENERGY NEEDED TO RAISE THE TEMPERATURE OF 1KG OF A MATERIAL 1K
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| SOLID | A PHASE OF MATTER THAT HAS DEFINITE VOLUME AND SHAPE
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| LIQUID | A PHASE OF MATTER THAT HAS DEFINITE VOLUME BUT NO SHAPE; A LIQUID TAKES ON THE SHAPE OF ITS CONTAINER
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| GAS | A PHASE OF MATTER WHERE MOLECULES FILL WHATEVER SPACE IS AVAILABLE TO THEM; NO DEFINITE SHAPE OR VOLUME
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| PHASE CHANGE | A CHANGE IN THE PHYSICAL STATE OF A SUBSTANCE FROM SOLID TO LIQUID, LIQUID TO GAS, OR SOLID TO GAS
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| KINETIC ENERGY | ENERGY IN THE FORM OF MOTION; DEPENDS ON THE MASS AND VELOCITY OF THE OBJECT
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| POTENTIAL ENERGY | STORED ENERGY DUE TO POSITION; CAN BE CONVERTED TO KINETIC ENERGY WHEN SOMETHING ACTS TO RELEASE IT
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| TEMPERATURE | A MEASURE OF THE AVERAGE KINETIC ENERGY OF ALL THE PARTICLES IN AN OBJECT
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| CELSIUS | A TEMPERATURE SCALE AT WHICH 0 REPRESENTS THE FREEZING POINT OF WATER AND 100 REPRESENTS THE BOILING POINT OF WATER
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| FAHRENHEIT | TEMPERATURE SCALE AT WHICH 32 REPRESENTS FREEZING POINT AND 212 REPRESENTS THE BOILING POING OF WATER.
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| JOULE | SI UNIT OF ENERGY AND WORK
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| CALORIE (TEMP) | THE ENGLISH UNIT OF THERMAL ENERGY OF HEAT. 1 CAL=4.184J
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| ABSOLUTE ZERO | THE LOWEST POSSIBLE TEMPERATURE--WHICH ALL PARTICLES HAVE THEIR MINIMUM KINETIC ENERGY
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| THERMAL EXPANSION | AN INCREASE IN THE SIZE OF A SUBSTANCE THAT RESULTS FROM THE SEPARATION OF ITS MOLECULES WHEN THE TEMPERATURE IS INCREASED
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| TRANSFERRING HEAT | THE PASSING OF HEAT FROM HOT TO COLD OR COLD TO HOT
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| 1ST LAW OF THERMODYNAMICS | GAIN OR LOSS OF THERMAL ENERGY = AMOUNT OF HEAT TRANSFERRED
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| 2ND LAW OF THERMODYNAMICS | HEAT NEVER SPONTANEOUSLY FLOWS FROM A COLD SUBSTANCE TO A HOT SUBSTANCE
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| 3RD LAW OF THERMODYNAMICS | NO SYSTEM CAN REACH ABSOLUTE ZERO
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| CONDUCTION | TRANSFER OF ENERGY THROUGH MATTER (SOLID) BY COLLIDING PARTICLES (E.G. STOVE TOP TO POT)
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| CONVECTION | TRANSFER OF ENERGY BY MOTION OF HEATED PARTICLES IN A LIQUID OR A GAS (E.G. CONVECTION OVEN)
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| RADIATION | TRANSFER OF ENERGY IN THE FORM OF ELECTROMAGNETIC WAVES (E.G. MICROWAVE)
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| EVAPORATION | CHANGE OF PHASE FROM LIQUID TO GAS (E.G. BOILING WATER TO STEAM)
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| CONDENSATION | CHANGE OF PHASE FROM GAS TO LIQUID (E.G. STEAM ON A MIRROR)
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| SUBLIMATION | CHANGE OF PHASE FROM SOLID TO GAS--SKIPPING THE LIQUID PHASE (E.G. DRY ICE)
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| DEPOSITION | PROCESS WHICH GAS TRANSFORMS TO A SOLID
(E.G. FROST)
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| MELTING | CHANGE OF PHASE FROM SOLID TO LIQUID (E.G. ICE TO WATER)
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| FREEZING | CHANGE OF PHASE FROM LIQUID TO SOLID (E.G. WATER TO ICE)
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| BOILING | RAPID EVAPORATION THAT TAKES PLACE WITHIN A LIQUID AS WELL AS ITS SURFACE (E.G. BOILING WATER)
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| CALORIMETER | DEVICE USED TO CALCULATE THE AMOUNT OF HEAT ENERGY STORED IN FOOD
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