该实验与生活密切相关,实验取材均为日常生活用品,方便易行.通过该实验,提高同学们观察生活的能力,增强环保、节能意识,培养动手、动脑的能力.符合全国人大“十一届”第三次会议提倡的发展“低碳”经济的基本国策. The experiment and life are closely related to the experimental materials are daily necessities, easy and convenient.Through this experiment, students improve their ability to observe life, enhance environmental protection, awareness of energy conservation, training hands, brains ability .In line with the National People's Congress The third national meeting of the third session advocated the development of the basic national policy of “low carbon” economy.