Physics self

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xncev

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Gwinnett Technical College

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thermodynamics is just théorie there is nothing that requires calculations i don’t have time to do it that’s why I post i

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Name Thermodynamics Self Directed Study We will be using a 36 minute video called Thermodynamics and the End of the Universe at "https://www.youtube.com/watch?v=GOrWy_yNBVY" to complete the first part of this study. Answer each of the following questions in complete sentences unless otherwise instructed. Part 1: Thermodynamics and the End of the Universe. 1. What is the first law of Thermodynamics? 2. How does the first law of thermodynamics apply to suns and stars? 3. Describe the energy box analogy. 4. Explain the statement, “Objects at higher elevation create more motion when they fall.” 5. Define temperature in terms of energy. 6. How is energy conserved when friction is involved in a situation? 7. What is the “hidden form of energy” that all life and technology depends on? 8. How is energy related to atomic bonds? 9. How is mass related to energy? 10. Explain the statement, “Energy boxes do not actually exist. 11. How is energy "observed"? Give two examples. 12. Explain the statement, “Energy can flow backwards in time in exactly the same way that it flows forward in time”. 13. What prevents energy from actually flowing backwards in time? 14. What does it mean for a situation to have higher entropy? 15. What is the second law of thermodynamics? 16. How is entropy related to energy? (Use the flow of heat energy to help you) 17. How can the total entropy of the universe increase when a complex object is put together? 8. Describe how engines and life forms can keep operating. 9. What happens when objects reach the same temperature? Parte. Gives 20. How do refrigeration and air conditioning work? 21. How is the second law of thermodynamics not violated by refrigeration and air conditioning? 22. Why is a “perpetual motion machine” impossible? 23. Why are all energy sources limited? 24. What is the fundamental problem with moving to a new solar system? 25. How does the second law of thermodynamics explain the end of the Universe? (at least with the laws of physics as we currently understand them) We will be using the Physics Classroom Tutorial webpage to complete part 2 of this study. So open the website at "http://www.physicsclassroom.com/class/thermalp” Part 2: Thermal Physics "Lesson 1 - Heat and Temperature' Part b. Temperature and Thermometers - Choose one of the five definitions for temperature and explain why you think it is the "best". Part c. Thermometers as speedometers - Explain how kinetic energy is related to temperature in a brief paragraph of 4-5 sentences. Use supporting details and/or examples to clarify your answer. Part d. What is heat? – Explain thermal equilibrium. Include a definition of heat and the zeroeth law of thermodynamics in your explanation in a brief paragraph of 4-5 sentences. Name Thermodynamics Self Directed Study We will be using a 36 minute video called Thermodynamics and the End of the Universe at "https://www.youtube.com/watch?v=GOrWy_yNBVY" to complete the first part of this study. Answer each of the following questions in complete sentences unless otherwise instructed. Part 1: Thermodynamics and the End of the Universe. 1. What is the first law of Thermodynamics? 2. How does the first law of thermodynamics apply to suns and stars? 3. Describe the energy box analogy. 4. Explain the statement, “Objects at higher elevation create more motion when they fall.” 5. Define temperature in terms of energy. 6. How is energy conserved when friction is involved in a situation? 7. What is the “hidden form of energy” that all life and technology depends on? 8. How is energy related to atomic bonds? 9. How is mass related to energy? 10. Explain the statement, “Energy boxes do not actually exist. 11. How is energy "observed"? Give two examples. 12. Explain the statement, “Energy can flow backwards in time in exactly the same way that it flows forward in time”. 13. What prevents energy from actually flowing backwards in time? 14. What does it mean for a situation to have higher entropy? 15. What is the second law of thermodynamics? 16. How is entropy related to energy? (Use the flow of heat energy to help you) 17. How can the total entropy of the universe increase when a complex object is put together? 8. Describe how engines and life forms can keep operating. 9. What happens when objects reach the same temperature? Parte. Gives 20. How do refrigeration and air conditioning work? 21. How is the second law of thermodynamics not violated by refrigeration and air conditioning? 22. Why is a “perpetual motion machine” impossible? 23. Why are all energy sources limited? 24. What is the fundamental problem with moving to a new solar system? 25. How does the second law of thermodynamics explain the end of the Universe? (at least with the laws of physics as we currently understand them) We will be using the Physics Classroom Tutorial webpage to complete part 2 of this study. So open the website at "http://www.physicsclassroom.com/class/thermalp” Part 2: Thermal Physics "Lesson 1 - Heat and Temperature' Part b. Temperature and Thermometers - Choose one of the five definitions for temperature and explain why you think it is the "best". Part c. Thermometers as speedometers - Explain how kinetic energy is related to temperature in a brief paragraph of 4-5 sentences. Use supporting details and/or examples to clarify your answer. Part d. What is heat? – Explain thermal equilibrium. Include a definition of heat and the zeroeth law of thermodynamics in your explanation in a brief paragraph of 4-5 sentences. onditioning? part e. Methods of Heat Transfer - Describe each of the three methods of heat transfer in detail. Give supporting details and examples to clarify your answer. Lesson 2: Thermal Physics "Lesson 2 - Calorimetry" Part a. What does Heat Do? - Explain how heat causes changes in temperature and changes in states of matter. Be specific. Include supporting details and examples in your explanation. Part a. What does Heat Do? - Describe a heating curve. Include a description of each part of the curve and each process involved. Distinguish between those process that change temperature and those that change phase.
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