植物カーテンの効果検証とその教材特性

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  • Verification of the Effects of Botanical Curtains and the Characteristics of their Teaching Materials
  • ショクブツ カーテン ノ コウカ ケンショウ ト ソノ キョウザイ トクセイ

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論文(Article)

We verified the effectiveness of the use of botanical curtains (green curtains) by using the following measurements. 1) Temperatures at an elementary school in Kumamoto City, 2) the cooling effect of　evaporation of water from clothe, and 3) the cooling effect of　evaporation of water from people’s arms were verified. The results show the three main effects from the green curtain usage at the elementary school were due to “blockage of sunlight”, “the cooling effect of transpiration from the curtain” and “the cooling effect of sweat evaporation on people, due to air ventilation.” Green curtains have been receiving a lot of attention lately and are good tools for environmental education on methods for wrestling with global warming countermeasures and saving electricity. By using these materials, experiments on transpiration can be done in the first grade of lower secondary school by checking the temperatures differential between leaves which have transpiration, and those which do not. In the second grade of lower secondary school, students can study “thermoregulation through sweat” by experimenting with water evaporation from human arms, in the unit on “functions for sustaining life.” These learning outcomes can lead to a common understanding of flora and fauna by examining the fact both use the same thermoregulatory mechanisms. In the third year of lower secondary school, the data on "the effect of botanical curtains" and the concepts deductively learned in the first and second grades can be effectively used to promote logical scientific investigation of unknown events and in development of thinking ability. The familiar item of botanical curtains also promotes the understanding of the practical usefulness of science.

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