運(yùn)動(dòng)、力與能量

內(nèi)容概要

　　一個(gè)物體是否在運(yùn)動(dòng)，并不在于看上去如何。桌面上的書相對(duì)于桌子下的地板，你會(huì)覺得書并沒有運(yùn)動(dòng)。但是，如果你將書與太陽作一個(gè)比較，那么這些書就是在飛速地運(yùn)動(dòng)著。地球和太陽是不同的參照物，參照物是用來確定某個(gè)物體是否運(yùn)動(dòng)的物體。假如一個(gè)物體與參照物的相對(duì)位置發(fā)生了變化，那么，它就是運(yùn)動(dòng)的。本書是《科學(xué)探索者》系列叢書之一，主要講述運(yùn)動(dòng)、力、流體力學(xué)、功與機(jī)械、能與功率、熱能與熱量等，將帶領(lǐng)你探索科學(xué)奧秘！ 　　走近科學(xué)：探索自然界的奧秘

書籍目錄

Nature of Science: Understanding NatUre's DesignsChapter 1 Motion　1  Describing and Measuring Motion　2　Integrating Earth Science: Slow Motion on Planet Earth 　3  AccelerationChapter 2 Forces　1  The Nature of Force　2  Force, Mass, and Acceleration　3  Friction and Gravity　4  Action and Reaction　5  Integrating Space Science: Orbiting SatellitesChapter 3 Forces in Fluids　1  Pressure　2  Transmitting Pressure in a Fluid　3  Floating and Sinking　4 Integrating Technology: Applying Bernoulli's Principle Chapter 4 Work and Machines　1  What Is Work?　2  Mechanical Advantage and Efficiency　3  Simple Machines　4  Integrating Life Science: Machines in the Human Body Chapter 5 Energy and Power　1  The Nature of Energy　2  Energy Conversion and Conservation　3 Integrating Earth Science:Energy Conversions and Fossil Fuels　4  PowerChapter 6 Thermal Energy and Heat　1  Temperature and Thermal Energy 　2  The Nature of Heat　3 Integrating Chemistry:Thermal Energy and States of Matter　4  Uses of HeatInterdisciplinary Exploration:Bridges--From Vines to Steel.Reference Section　Skills Handbook　Think Like a Scientist    Making Measurements    Conducting a Scientific Investigation    Thinking Critically    Organizing Information    Creating Data Tables and GraphsAppendix A: Laboratory SafetyGlossaryIndexAcknowledgments

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