我們身邊的電學(xué)與電子學(xué)知識(shí)

內(nèi)容概要

　　《美國(guó)中學(xué)生科學(xué)實(shí)驗(yàn)活動(dòng)：我們身邊的電學(xué)與電子學(xué)知識(shí)（英漢對(duì)照·雙語(yǔ)讀物）》介紹的一些科學(xué)概念，對(duì)學(xué)生們理解更深?yuàn)W的科學(xué)原理會(huì)有很大幫助，所設(shè)置的科技活動(dòng)將會(huì)開發(fā)學(xué)生的科學(xué)研究技能，而這些技能是我們這個(gè)繁雜的社會(huì)所必不可少的?？茖W(xué)研究技能包括：對(duì)物體進(jìn)行分類的技能，分析觀測(cè)結(jié)果的技能，清晰思考的技能，準(zhǔn)確記錄數(shù)據(jù)的技能，以及按照正確方法處理記錄值的技能。人們絕不應(yīng)該為著自己的利益去傷害任何其他的生物。絕不應(yīng)輕率而不必要地破壞或毀壞自然過(guò)程。一定要避免對(duì)生態(tài)系統(tǒng)的干擾或干預(yù)。

書籍目錄

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

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