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Chapter 5
Chapter 5 (Physical Science)
16
Chemistry
10th Grade
03/11/2015

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Cards

Term
Heat
Definition
When you transfer energy between objects due to a temperature difference between the objects
Term
Thermal Energy
Definition
The sum of kinetic energy and potential energy of all the particles that make up the object
Term
Specific Heat
Definition
The amount of material needed to raise the temp. of 1 kg of that material by 1 degree
Term
Conduction
Definition
Transfer of thermal energy by collisions between the particles that make up matter
Term
Convection
Definition
The transfer of thermal energy in a fluid by the movements of warmer & cooler fluids
Term
Radiation
Definition
The transfer of thermal energy by electromagnetic waves such as light and microwaves
Term
Forced Air Heating System
Definition
Most common type in the US
Fan blows warm air around the house and cool air returns to the furnace to be reheated
Term
Radiator Heating System
Definition
Uses hot water or steam
Term
Electric Heating System
Definition
Uses heating coils that turns electrical energy into thermal energy
Term
Solar Heating System
Definition
Sunlight can be used to heat a home by changing solar energy into thermal energy
Term
Passive Solar Heating
Definition
Building of heat and retains the energy until the next day
Term
Active Solar Heating
Definition
Uses a solar collector to take the thermal energy and move it throughout the home
Term
Thermodynamics
Definition
Study of thermal energy, heat, & work
Term
First law
Definition
States mechanical energy of a system in constant
Term
Second law
Definition
States energy spontaneously spreads from regions of higher concentration to regions of lower concentration
Term
Heat Pumps
Definition
Move energy from a colder area to a warmer area
Same as refrigerators but the process can be reversed
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