Discovering Science: Practicalactivitiesin biology,chemistry andphysics
ByDrAndyMarkwick &IndiraMarkwick
Contents Introduction1 Biology Animalbehaviour5 Bacteria8 Abalanceddiet?11 Diffusion14 Deoxyribonucleicacid17 Energycontentoffoods20 Enzymeactivity23 Enzymeactivity–thesequel28 Enzymetechnology31 Geotropism35 Germinatingplants38 Guardcellsandmicropyles42 Homeostasis45 Lungcapacity49 Mutationsandevolution52 Photosynthesis55 Plantcells58 Readymeals61 Respiration64 Sensingourenvironment68 VitaminC71
Chemistry Acidsandalkalis77 Catalysts–extended81 Chromatography84 Consumerscience87 Crystalstructure90 Displacement93 Electrochemistry96 Forensicscience100 Identifyinggases103 Loweringthefreezingpointofwater110 Polymers113 Rocksandsoils116 Rusting120 Thermodynamics123 Understandingratesofreaction126 Physics Conductionandconvection137 Elasticenergy141 Forces1144 Forces2147 Fruitandvegetablebatteryinvestigation150 Funwithelectromagnets153 Funwithstaticelectricity156 Heatandtemperature159 Howfast162 Thelightcircus1169 Thelightcircus2173 Magneticattraction176 Measuringplanets180 Spring-loaded184 Underpressure1187 Underpressure2190 Viscocity193
Plantcells
Whatdoonionandapplecellslooklike?
Areallonioncellsthesameshapeandsize?
Theykeepthedoctoraway!
Areallonionthesameshapeandsize?
Theykeepthedoctoraway!
Keywordsforyourglossary
