Physics HL Extended Essay

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Physics HL Extended Essay 31/36 Grade A

 

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Abstract
This extended essay is investigating heat conductivity of different materials to study about the thermal energy storage of traditional construction material and modern one. The research question on this investigation is: “Between the loess and cement, what is better insulator for the construction material?” The materials used on this investigation are loess and cement. Loess is traditional construction material which is made of rocks and sands. Cement is modern construction material that is used in nowadays. The investigation separates in to two aspects. First are the materials’ thermal energy storage data, and the rate of decrement of energy. Second, the materials’ cooling rate and the densities are going to be calculated and recorded to show how does materials are efficient on real life situation. The thermal energy that cement and loess have gain at the first 2 minute of heating, loess have shown much higher energy than cement have gained, but the decrement was different. While loess has gained much more energy than cement, loess was not able to keep the energy as cement does. According to the research, I was able to find out that loess has higher heat capacity than cement. I also used CASIO graphing calculator to find out the cooling rate by differentiating the equation of temperature vs. time graph…

 

[목차]

Scope of Work………………………………………………….4
Background Information & Literature………………………….4
Experiment Setup Description………………………………….5
Measurement Instrument Description…………………………..6
Calibration and accuracy tests…………………………………..7
Experiment Procedures and Recorded Results…………………7
Determining Efficiency on Energy Storage………………………8
Determining Efficiency on Real life usage……………………..11
Evaluation and Conclusion………………………………………13
Appendix 1………………………………………………………16
Appendix 2………………………………………………………17
Works and Program Cited……………………………………….19

 

  • 총 페이지수: 19 pages
  • 과목: Physics
  • 제목: “Between the loess and cement, what is better insulator for the construction material?”
  • The file is in Word format.
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Physics HL Extended Essay

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