Development of new experiment methods by use of the image-input /output household appliances as an analytical instrument

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The purpose of the present study is to develop new experiment methods by using the image-input /output household appliances as an analytical instrument, and to improve the quality of scientific experiments in the school training. Concretely we examined the following subjects: (1) the development of the analysis of the natural water using the light emission phenomenon, and (2) the development of the highly precise digital measurement method in the small scale colorimetry experiment. We obtained a good result about above subjects by using a digital camera as a detector.