近年、子どもたちの生活体験や自然体験の充実が求められている。本稿では、子どもたちの知的好奇心を刺激し、学習効率を向上するとされる「冒険的」「活動的」「非日常的」などの要素を取り入れた体験学習装置を提案する。
観察調査から子どもの遊びに現れる日常的な動作を抽出し、これらの動作を自然をモチーフとした装置で誘発する。日常と自然体験をつなぐことで、効果的に自然への興味と関心を引き出すことが目的である。

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We classified the types of fog as dry, wet and middle one, according to the wetness of fog.
We studied the mutual relation between these types, drop size and wind velocity. The results are as follow:
(1) The drops are larger in wet fog than in dry one, and the critial radius between these types seems to be 10_??_12μ. (Fig. 1)
(2) Wind velocity has some effects on these types; the product of the square of wind velocity, v and the radius of drops _??_ (=v^za) seems to be principal factor deciding the type of fog. (Fig. 2)

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We investigated whether the characteristics of autobiographical memory recalled by Japanese onomatopoeia are different from those recalled by non-onomatopoetic Japanese words with similar meanings. One hundred twenty participants were instructed to recall an autobiographical memory corresponding to the meaning of word cues, as well as answer a questionnaire containing 11 items associated with the recalled autobiographical memory. The word cues were eight onomatopoetic or non-onomatopoetic words of similar meanings. The results showed that the onomatopoeia-induced autobiographical memories were more recent compared to the non-onomatopoeia-induced memories. This suggests that the image information inherent in onomatopoeia helps people in recalling more recent autobiographical memories.

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Two pairs of seaplane floats are tested in the experimental tank. The plan view of bow waves have been photographed. Actual flow lines have been obtained by towing the models while the coat of white paint over the bottom surface of the floats still wet, thus streak traces being shown quite clearly. Water lines during the gliding can thus be ascertained. The hydrodynamic lift is deduced by substracting the computed hydrostatic buoyancy from the total force acting upward.
Water at the bow rises along the bottom surface forward to the head of the float and is then thrown sidewise. This bow sheet forms the undesired dirtiness, which often accounts for damaged propeller. The whole sheet around the floats takes the form of the butterfly wings, the roots of which are the crests of the bow wave.
Discontinuity, if any, in the curve of resistance appears to be the difference of water resistance and air resistance at the back of the step. As far as the symmetry and form of the flow lines at the bottom, little difference is found between single float and twin float arrangement.

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Two rare cases with abnormal tubercle on the labial surface of 2__-| were found respectively. Various particulars were observed morphologically and according to the X-ray results. Carabeli's tubercle on the 1st molar and the 2nd molar as shown in case 1 were considered as unusual cases.

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　本研究では，シリコーン樹脂とフィラー（充填材）の複合によるテクスチャ表現を試みた。まず，フィラーを複合したプラスチックの質感を評価するために，質感評価語の抽出と選定を行った。そしてサンプルを作製し，その質感について評価実験を行った。最後に，サンプルと質感評価語の対応関係を検討した。その結果，シリコーン樹脂とフィラーの複合による様々なテクスチャ表現を実現できた。また，視覚情報のみの場合と視覚・触覚併用の場合における質感の評価構造には大きな違いがあることが確認できた。視覚情報のみではフィラーの透過度と大きさが重要な質感の評価項目となるのに対して，視覚・触覚併用では，重量感や硬軟感と粗滑感が質感評価の要因となることが確認できた。

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