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《走,看雲去》,為什麼會有雲呢?為什麼如此變化多端呢?其實這都是自然的現象,大自然是個千變萬化的魔術師。生活周遭如海裡、湖裡、植物葉片中,甚至連呼出的氣體中都有水分;當太陽發揮威力,這些水就變成水蒸氣升到高空,水蒸氣再遇上冷空氣便會凝結成水滴或冰晶,聚集在一起,於是雲就誕生了。天空中所產生雲,形狀各不相同,代表當天氣變化時,雲的種類也就會跟著改變!除探討雲的種類和成因,書中也介紹形成雲之後,所產生降雨、下雪,甚至產生雷電的現象。