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34 Cards in this Set
- Front
- Back
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A measure of the AVERAGE KINEtic energy of INDIVIDUAL PARTICLES is called ???
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Temperature
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At what temperature does water freeze and boils on the FAHRENHEIT SCALE?
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32 FREEZING
212 BOILING |
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On the FAHRENHEIT SCALE, how many equal parts is the scale divided into?
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180
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On the CELCIUS SCALE, the number ___ is assigned to the temp. at which water freezes and the number _____ for boiling.
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0 for freezing
100 for boilng |
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On the CELCIUS SCALE, the number between freezing and boiling is divided into _____ equal parts.
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100
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Units on the KELVIN SCALE are ____ _____as CELCIUS SCALE.
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SAME SIZE
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To calculate the temperature from KELVIN TO CELCIUS you need to do what ?
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Subtract 273 from the Kelvin number.
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What is ABSOLUTE ZERO ON KELVIN? (lowest temperature possible)
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-273
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What is THERMAL ENERGY?
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The total energy of ALL the particles
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Name the movement of thermal energy from a substance at a HIGHER temperature to another at a LOWER temperature?
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HEAT
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Name three ways that heat is transferred?
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CONDUCTION
CONVECTION RADIATION |
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What is conduction?
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HEAT TRANSFERRED BY TOUCHING
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What is CONVECTION?
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movement that transfers heat within a fluid
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What is RADIATION?
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TRANSFER of heat through electromagnetic waves
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How does Heat flow?
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ONE WAY from warmer object to the cooler one
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A material that DOES NOT conduct heat well is called?
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INSULATOR
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A material that conducts heat well is named?
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a CONDUCTOR
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Name the 3 STATES OF MATTER?
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SOLIDS
LIQUIDS GASES |
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Name the characteristics of solids?
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definate shape and definate volume
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Name the characteristics of volume?
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definate volume but NO DEFINATE SHAPE
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Name the characteristics of GASES?
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NO DEFINATE SHAPE AND NO DEFINATE VOLUME
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When will matter change states?
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if THERMAL ENERGY IS ABSORBED OR RELEASED
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Changing from solid to liquid is called ?
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melting
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Changing from liquid to solid is called?
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FREEZING
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The temperature at which a substance changes from LIQUID TO SOLID?
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FREEZING POINT
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A change from LIQUID TO GAS is called?
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vaporization
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A change from GAS to LIQUID is?
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condensation
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What happens as the thermal energy of a substance increases?
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The particles spread out and the substance expands!
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Material used to repair teeth must be made of material that expands and contracts at the same rate. Why?
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Because of the cold and hot food in the mouth some materials expand and contract at different rates.
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What are BIMETALLIC STRIPS?
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2 different metals which expand at different rates. one expands more than the other. Used on thermostats
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The conversion of thermal energy into heat energy needs a device called ??
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A HEAT ENGINE
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What happens in the EXTERNAL COMBUSTION ENGINE?
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Heat causes water to turn to steam and the STEAM is then used to push a piston
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What happens in the INTERNAL COMBUSTION ENGINE?
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Combustion DIRECTLY moves the piston within the engine
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BE SURE TO STUDY
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THERMOS BOTTLE AND CHANGES OF STATE GRAPH.
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