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CHAPTER 1 GETTING STARTED¡­¡­¡­¡­¡­¡­¡­71
CHAPTER 2 WoRKING SCIENTIFICALLY¡­¡­74
CHAPTER 3 THE STUDY oF MECHANICS¡­¡­76
A LOOK AT FRICTION¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­76
MEASURING ACCELERATION IN THE REAL
WORLD¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­80
ALTERlNG ACCELERATION ¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­83
HOW THINGS BOUNCE£ºTHE COEFFICIENT
OF RESTITUTION¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­89
CHANGES IN RoTATIONAL MoTION¡­¡­¡­¡­¡­¡­92
A LOoK AT ToRQUE ¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­93
RIDING A BIKE WITH¡°NO¡ªHANDS¡±¡­¡­¡­¡­¡­¡­¡­97
CHAPTER 4 TEMPERATURE AND
PRESSURE¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­101
EXPANSIoN AND CONTRACTl0N¡­¡­¡­¡­¡­¡­¡­101
TRACING THE FLOW OF HEAT¡­¡­¡­¡­¡­¡­¡­¡­105
HOW TO TRAP THE SUN¡¯SNERGY ¡­¡­¡­¡­¡­109
BERNOULLI¡¯S PRINClPLE ¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­111
CHAPTER 5 PRoPERTIES oF MATTER¡­¡­¡­114
A L00K AT PERMEABILITY ¡­¡­¡­¡­¡­¡­¡­¡­¡­114
STUDYING SoLUBILITY¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­116
A LOOK AT BUOYANCY ¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­118
WHAT IS SURFACE TENSION? ¡­¡­¡­¡­¡­¡­¡­¡­120
CHAPTER 6 VIBRATIoNS£¬ELECTRICITY£®
AND MAGNETISM¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­123
A LOOK AT VIBRATIoNS¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­123
COMPARING SOUNDS ¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­126
REGULATING ELECTRIC CURRENT¡­¡­¡­¡­¡­¡­130
HOW A GENERAToR WORKS¡­¡­¡­¡­¡­¡­¡­¡­¡­132
WHAT IS A MAGNETIC FIELD?¡­¡­¡­¡­¡­¡­¡­¡­134
THE POWER OF ELECTROMAGNETS ¡­¡­¡­¡­¡­136
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