Report on the Essential Information on Hand Generators and Electric Double Layer Capacitors : Questions & Answers (a Teachers' Manual) on the Safe Use of HGs and EDLCs at Elementary Schools

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  • 手回し発電機と電気二重層コンデンサーに関する授業で必要な基礎知識 : 小学校で安全に使用するためのQA集(手引き書)の作成
  • テマワシ ハツデンキ ト デンキ 2ジュウソウ コンデンサー ニ カンスル ジュギョウ デ ヒツヨウ ナ キソ チシキ ショウガッコウ デ アンゼン ニ シヨウ スル タメ ノ QAシュウ テビキ ショ ノ サクセイ

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<p>The new course of study for elementary schools introduces Hand Generators (HGs) and Electric Double Layer Capacitors (EDLCs) into 6th grade science classes. These inexpensive equipments enable teachers to develop various teaching materials for children. We explored the features of HGs and EDLCs through a series of trial lessons and discussed their safe use in lower grade classes. For example, we must maintain the appropriate voltage level when we use an HG to turn on a miniature bulb, otherwise the bulb may be damaged. We also have to be careful with withstand voltage and polarity of EDLCs. If the capacitor is subjected to voltage exceeding its working voltage, or if it is connected with incorrect polarity, it may burst. Based on these trials and experiments, we prepared a teachers' manual on the safe use of HGs and EDLCs at elementary schools. We compiled it in the form of questions & answers so that it helps teachers to answer students' questions in class.</p>

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