我们身边的电学与电子学知识

出版时间：2002-1  出版社：天津科技翻译出版公司  作者：伯内特  页数：190  
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内容概要

　　《美国中学生科学实验活动：我们身边的电学与电子学知识（英汉对照·双语读物）》介绍的一些科学概念，对学生们理解更深奥的科学原理会有很大帮助，所设置的科技活动将会开发学生的科学研究技能，而这些技能是我们这个繁杂的社会所必不可少的。科学研究技能包括：对物体进行分类的技能，分析观测结果的技能，清晰思考的技能，准确记录数据的技能，以及按照正确方法处理记录值的技能。人们绝不应该为着自己的利益去伤害任何其他的生物。绝不应轻率而不必要地破坏或毁坏自然过程。一定要避免对生态系统的干扰或干预。

书籍目录

PROJECTSECTION 1:ELECTROMAGNETIC FORCES1-1 Attractive Force　Relationship of wire turns to attraction in electromagnet1-2 Filed Under Current　Magnetic lines of flux and magnet's DC polarity1-3 Short Stop in a Magnetic Field　Electrical insulators not necessarily magnetic msulators1-4 Rust in Pieces　Comparing magnetic properties of iron and rust1-5 Directional Flux　Inducing current using south or north magnetic poles1-6 Stroke of Good Luck　Inducing magnetism in iron by stroking with permanent magnet1-7 Don't Lose Your Cool　Magnetism loss due to heatSECTION 2:STATIC ELECTRICITY2-1 Too Close for Comfort　Static electricity on TV screens2-2 Snap, Crackle, Pop　Detecting approaching thunderstorms2-3 Too "Clothes" for Comfort　Static electricity in clothing material2-4 Grounded Again　Removing static charges in clothing by grounding2-5 Tea for Two　Electros.tatc generation (Van de Graaff generator)2-6 Static North Pole　Magnetic properties of static electronsSECTION 3:CURRENT FLOW3-1 Volts and Amps　Understanding the concepts of voltage and amperage3-2 Wet-Cell Battery　Testing electrolytes to make wet-cell batteries3-3 After the Warm-Up　The effect of temperature on battery life3-4 Keeps On Keeping On　Comparing popular brands of batteries3-5 Live-Wire Wood　Insulators become conductors under certain conditions3-6 The Match Box　Series circuit becomes teaching aid for other subjects3-7 Current Event　Fuses protect from excess currpnt flowSECTION 4:ELECTROMECHANICAL DEVICES,MOTORSSECTION 5:PESISTANCE AND CAPACITANCESECTION 6:GENERATING ELECTRICITYSECTION 7:SOLID-STATE ELECTRONICSSECTION 8:RADIO-FREQUENCY ENERGYCOMPONENTSGLOSSARY