From the creators of Scratch comes ScratchJr, a programming language designed for young children (ages 5-7).The ScratchJr Book is the perfect addition to the free app and makes coding and computer science easy and fun for all ages!In The ScratchJr Book, kids learn by playing with programming blocks and building their own animated collages, interactive stories, and playable games.Thirty step-by-step activities help kids develop computational thinking, problem-solving, and design skills. Each chapter has several smaller activities that build on one other, culminating with a fun, final project. By the end of the book kids and parents will be ready for all sorts of new programming adventures.Each activity includes:step-by-step, easy-to-follow directionsliteracy and math connectiontips for grown ups and teachers creative challenges to explore and grow!
本書譯自HALLIDAY所著之Halliday and Resnick's Principle of Physics 11/E 之第二十一章至四十四章。本書取材包羅萬象，以生活化的例子，引導讀者進入物理的領域。解題除了有詳細的解說，並帶領讀者了解主要關鍵點為何。這是在其他相關書籍中不常見的。希望讀者在閱讀本書時，先了解理論再多利用練習題增加理解的深度。本書適合做為大學、科大理工相關科系「物理」課程經典級教科書。
Question-and-answer format follows the highly successul approach of the first two editions, focusing on key concepts while maintaining an informal tone. Completely revised, this new edition includes t
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