Physics 6E: Laws of Thermodynamics
Quiz by Sherry Felux-Bell
High School
Physics (2017)
Texas Essential Knowledge and Skills (TEKS)
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11 questions
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- Q1A student is cooking an egg in a pan on a stovetop. What is the main method of heat transfer between the pan and the egg?RadiationEntropyConvectionConduction120s112.39.c.6.e
- Q2NASA developed a reflective foil barrier to help shield spacecraft from heat transfer in space. These reflective barriers are now used in homes to prevent heat transfer by the same method. What method of heat transfer is being prevented by the reflective barrier?EntropyRadiationConductionConvection120s112.39.c.6.e
- Q3A tray filled with ice is removed from the freezer. After a short period of time, the ice begins to melt. As the ice melts, it ―decreases in specific heat capacityincreases in entropydecreases in temperature120s112.39.c.6.e
- Q4Which point on the above graph has the lowest entropy level?ABDE120s112.39.c.6.e
- Q5Which law of thermodynamics best describes why the car cannot be 100% efficient?The first law of themodynamicsThe second law of thermodynamicsThe third law of thermodynamicsThe zeroth law of thermodynamics120s112.39.c.6.e
- Q6Which point on the above graph has the HIGHEST entropy level?EDAB120s112.39.c.6.e
- Q7What condition is necessary for heat to flow between two objects?They must be of the same density.They must have different conductivitiesThey must be of the same mass.They must have different temperatures.120s112.39.c.6.e
- Q8What is the heat energy generated/emitted by the metal when a 10 kg lump of iron cools from 660° C to 650° C? Specific heat of iron is 100 J/kgC Q=mcΔT-10,000J10,000 J-1000J1000J120s112.39.c.6.e
- Q9The first law of thermodynamics, the internal energy of a system can either be increased by adding heat or doing work on the system, while energy is never lost, is a restatement of theLaw of heat additionConservation of energyLaw of potential energyPrinciple of entropy120s112.39.c.6.e
- Q10What type of heat transfer is used to heat your marshmallow?ConductionRadiationConvection120s112.39.c.6.e
- Q11A reflective blanket is used to insulate people who are cold. What type of heat transfer to the environment is it preventing?ConductionRadiationConvection120s112.39.c.6.e
