CONTENTS
BEFOREYOUBEGIN 5
THELANGUAGEOFCHEMISTRy............... 7
SETTING UP YOURLABORATORy.......................................... 12
Equipment You Will Need...Chemicals You Will Need
LABORATORYTECHNIQUES 20,
Safety Rules
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CHEMICALS INTHEAIR......:.................................................. 29
How You CanMeasuretheProportionof Oxygen in Air...How You
Can Showthatthe Gas You ExhaleContainsCarbonDioxide...How
to Make a FireExtinguisher...HowWaterVaporBehaves in Air: The
RainCycle
THECHEMISTRYOFWATER................................................... 34
How You Can DecomposeWaterby Electrolysis...Hg~Water Is
MadeFi~toI?rin~ How You Can ShowthatSandanr~ra~elAre
Useful 10 Filtering How You Can Observe CoagtlttIOn...
How YouCanDistillWater...How You CanChangeHardWater to
SoftWater
THECHEMISTRYOFSOLUTIONS,DIFFUSIONANDOSMOSIS... 43
WhatHappensWhen You Mix a Solid and a Liquid...WhatHappens
When You Mix Different KindsofLiquids...How You Can See the
EffectofHeatonSolutions...How toSeparateSolutes from Solvents
...How to Tell if a Solution is an Electrolyte...How You Can
Observe Diffusion...How You Can Observe Osmosis...Another
WayofObserving Osmosis
THECHEMISTRYOFCRySTALS " ..^56
How You Can DetectWaterofHydration How You Can Discover
and Use Efflorescence and Deliquescence How You Can Growa
Crystal Garden...How toGrowGiantCrystals