CONTENTS
PARTI: THE NATUREOF ALL LIVINGTHINGS............ 7
Using Your Microscope ...Looking at Newsprint under a
Microscope... Observing a Single Human Hair... The
StructureofCottonFibres... TheIntricateStructureofFish
Scales...Typical Cell Structure-"Empty" CorkCells ...
LivingPlantCells from an OnionSkin.. .ExaminingGreen
PlantCells-Elodea...Observing Cellsofthe HumanBody
-Cheek-LiningCells
PART II:THEWORLD OFPLANTS.......................... 18
GrowingOne-CelledMicroscopicOrganisms-BacteriaofDecay
·..Observing Bacteriaof Decay...StudyingSimpleFresh-
WaterPlants-Algae...GrowingYeastPlants...Producing
Spores from Bread Mould...ExaminingEdible Mushrooms
·.. Building a Glass-Enclosed Garden or Terrarium...
GrowingMosses inYourTerrarium...GrowingFernsIndoors
·. .Makinga CollectionofDried Ferns... ThePartsofa
Typical Flowering Plant... Studying a Typical Root-a
Carrot... The Binding Force ofRoots.. .Observing the
CirculationofWaterfrom Rootsto Leaves...Studyingthe
Vein Structure of Various Leaves ...Making a Collection
ofTree-Leaves...How a GreenLeafProducesFood-Photo-
synthesis IsolatingChlorophyll and Testing for Starchin
a Leaf TheUndersurfaceofaLeaf-Stomates Showing
that Oxygen is a By-ProductofPhotosynthesis Showing
thatGreen Plants Give OffWaterfromTheirLeaves...How
GravityAffectsPlantGrowth...Why LeavesTurnColorin
the Fall...Studying aFlower-theSweet Pea...Examining
SeedPods-"Dry"Fruit...Examiningthe Seedsof"Fleshy"
Fruits TheStructureofSeeds...How SeedsPlantThem-
selves Raising Seedlings in aTumblerGarden...Growing
Seedlings in a Sponge Garden... Observing Seeds Sown in
Different Types ofSoil.. .Growing Plantsfrom PartsOther
thanSeeds-VegetativePropagation...StartingSeedlings in a
Plastic Bag...Adventureswith Meat- andInsect-EatingPlants