人们是怎么知道地球是圆的的?你也许会说是哥伦布航海发现的,但其实远在古希腊时期就有了地球是圆的的理论。 从船上的?t望台能看到在甲板上看不到的远方,月相变化,时差的产生,不同地方的人能看到不同的星空等等,这些都表明地球是圆的。 这本英语原版科普绘本提供了丰富有趣的知识,穿越历史,进入太空,启发孩子观察、思考有关地球形状的现象与知识,培养孩子独立思考的精神。 书后有简单的小实验,引导孩子自己动手、观察。
MouseMath(《鼠小弟爱数学》)目前共20册,每本书讲了一个幽默的故事、解释了一个数学概念,还有一组趣味活动。故事涉及的数学重要基础概念包括数字大小、顺序、空间运动、容量和体积、加减法等。 同时,每个故事都蕴含着成长的道理,把数学概念、思维方式和绘本故事、生活技能、品格培养巧妙地结合在一起。 MouseMath(《鼠小弟爱数学》)将数学概念自然融入到小老鼠们的日常生活中,让孩子不知不觉地主动思考,将数学转化为宝贵的生活工具。 本册MakeaWish,Albert!(《许个愿吧,阿宝》)讲的是 3D图形 的数学概念:今天是Albert的生日,他激动极了!朋友们要来,还会举办生日派对,他会不会收到一份特殊的生日礼物呢?
Rules Editorial Reviews From School Library Journal Grade 4-7-Twelve-year-old Catherine has conflicting feelings about her younger brother, David, who is autistic. While she loves him, she is also embarrassed by his behavior and feels neglected by their parents. In an effort to keep life on an even keel, Catherine creates rules for him (It's okay to hug Mom but not the clerk at the video store). Each chapter title is also a rule, and lots more are interspersed throughout the book. When Kristi moves in next door, Catherine hopes that the girl will become a friend, but is anxious about her reaction to David. Then Catherine meets and befriends Jason, a nonverbal paraplegic who uses a book of pictures to communicate, she begins to understand that normal is difficult, and perhaps unnecessary, to define. Rules of behavior are less important than acceptance of others. Catherine is an endearing narrator who tells her story with both humor and heartbreak. Her love for her brother is as real as are her f