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KOTELSCIMOD5VOCAB

PHYSICAL SCIENCE MODULE 5 VOCABULARY

QuestionAnswer
temperature measure of the average kinetic energy of all the particles that make up an object
thermal energy sum of the kinetic and potential energy of the particles that make up an object
heat energy that is transferred between objects due to a temperature difference between those objects
specific heat amount of heat needed to raise the temperature of 1 kg of a material by 1 degree Celsius (or Kelvin)
conduction transfer of thermal energy by collisions between the particles that make up matter
convection transfer of thermal energy in a fluid by the movement of warmer and cooler fluid from one place to another
radiation transfer of energy by electromagnetic waves
thermal conductor material through which thermal energy can easily move
thermal insulator material through which thermal energy moves slowly
solar collector device used in an active solar heating system that transforms radiant energy from the sun into thermal energy
thermodynamics study of the relationship between thermal energy, heat, and work
first law of thermodynamics states that if the mechanical energy of a system is constant, the increase in the thermal energy of the system equals the sum of the thermal energy transferred into the system and the work done on the system
second law of thermodynamics states that energy spontaneously spreads from regions of higher concentration to regions of lower concentration
heat engine device that converts some thermal energy into mechanical energy
internal combustion engine heat engine that burns fuel inside the engine in chambers or cylinders
Created by: CRMissK
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