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Transcript
Science Open-Ended Questions Subject Unit Name Lab Physics Heat When cooking popcorn, both temperature and heat play an important role. What is the difference between temperature and heat? Discuss a scenario in which you experienced a temperature change, and relate it to heat. Kinetic energy is related to heat and temperature and the movement of molecules. How does heat transfer occur? Give two examples of heat transferred that you noticed in the past week. Explain. Temperature can be measured in various units with a thermometer. What are three units used when measuring temperature. How are they converted among each other and which is used most often and why? If you were to design a thermometer, which unit would you prefer to use and why? When cooking popcorn, sometimes you find that most of the kernels do not pop. What might be the reason that the kernels did not pop? What could you try to do to try to make more of the kernels pop? Convection and radiation are other mechanisms of transferring energy. Define convection and radiation. Discuss a scenario where you witness energy being transferred by convection and radiation. Specific heat capacity of a substance is defined as the energy required to change the temperature of 1 kg of a substance by 1⁰C. Explain why it takes longer for salt water to boil than freshwater? Would you rather have a ring made of gold or silver? Explain your reasoning using the concept of specific heat.