运动、力与能量
2008-3
浙江教育
帕迪利亚
228
420000
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一个物体是否在运动，并不在于看上去如何。桌面上的书相对于桌子下的地板，你会觉得书并没有运动。但是，如果你将书与太阳作一个比较，那么这些书就是在飞速地运动着。地球和太阳是不同的参照物，参照物是用来确定某个物体是否运动的物体。假如一个物体与参照物的相对位置发生了变化，那么，它就是运动的。本书是《科学探索者》系列丛书之一，主要讲述运动、力、流体力学、功与机械、能与功率、热能与热量等，将带领你探索科学奥秘！ 走近科学：探索自然界的奥秘
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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