它们是如何工作的？(How Things Work Encyclopedia)文字插图版[PDF]

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资源信息： 中文名: 它们是如何工作的？ 原名: How Things Work Encyclopedia 作者: DK Publishing 资源格式: PDF 版本: 文字插图版 出版社: DK Publishing 书号: 9780756658359 发行时间: 2009年 地区: 美国 语言: 英文 概述:

内容介绍： 这是一本介绍我们周边的事物是如何工作的百科全书，DK出版值得下载！~ Looking at the technology all around us-and then explaining how it works, the How Things Work Encyclopedia lifts the hood of a car engine, gets inside a TV set, and discovers the power of invisible microwaves. With close-ups, cutaways, and diagrams bringing the technology to life, and timelines illustrating the development of inventions, challenging curiosity quizzes and fascinating facts, the How Things Work Encyclopedia lets children really see and understand what's going on inside. 内容截图：

更多图书请访问：www.linguagess.com 目录: Technology 4–5 Inventions 6–7 Better by design 8–9 Early inventions 10–11 Modern technology 12–13 Technology all around us Hard at work 14–15 Simple machines 16–17 Using levers 18–19 Construction work 20–21 Moving stuff Getting around 22–23 Getting around 24–25 Wheels and axles 26–27 Pedal power 28–29 Holding the road 30–31 Piston power 32–33 Engines of fire 34–35 Race cars 36–37 Up to speed 38–39 Powering up 40–41 Trains and tracks Air and water 42–43 Gases and liquids 44–45 How fluids work 46–47 Float that boat 48–49 Floating balloons 50–51 Roller coaster 52–53 How do planes fly? 54–55 Blastoff! What is energy? 56–57 What is energy? 58–59 It’s electric! 60–61 The power of magnets 62–63 Power plants 64–65 Running out 66–67 Renewable energy 68–69 What’s cooking? 70–71 Keeping cool 72–73 Energy efficiency Light and sound 74–75 Light and sound 76–77 Now you see it... 78–79 Light and bubbles 80–81 Mirror, 82–83 Lenses 84–85 How light works 86–87 Fireworks 88–89 Measuring sound 90–91 How ears hear 92–93 Electric guitar Bits and bytes 94–95 Bits and bytes 96–97 Inside a laptop 98–99 Binary code 100–101 Sharing data 102–103 Cell phones 104–105 Digital photography 106–107 Radio and TV 108–109 Bar codes 110–111 The Internet 112–113 Search engines 114–115 Robots In the future 116–119 Near future? 120–121 Not-so-near future Reference section 122–125 Glossary 126–127 Index 128 Picture credits