Table of Contents

SUBSTANCES: A LOOK INSIDE 1 Keep your cool! 2 As hard as - Borazon? 3 Fire! Fire! 4 How big is an atom? 5 When the chemistry is right HEAT 6 Introducing Anders Celsius 7 When warm feels cold 8 Make a solar oven 9 Antartic fashion designer 10 Create a desert animal NUTRIENTS 11 Mixed-up food labels 12 Healthy eating 13 The digestive system 14 Terrorising teeth! 15 Dixie the dairy cow CHEMICAL REACTIONS 16 Popping pericarps 17 Bouncing eggs 18 Precipitation reactions 19 Taste tester 20 Rust never sleeps WHAT'S IN A ROCK 21 Rock treasure hunt 22 Movie review - The Flintstones 23 Rocky creations 24 Jewellery design 25 Using aluminium ELECTRIC CIRCUITS 26 Sticky food 27 Modelling circuits 28 Battery test 29 The electricity plant 30 Safety video LIVING TOGETHER 31 The web of nature 32 Ocean explorations 33 Decomposers 34 Predator versus prey 35 Population overload CHANGING TIMES 36 Greenhouse alert 37 Amazing fire trees 38 Spot the pest 39 Friend or foe? 40 Techno-food THE UNIVERSE 41 Starlight, star bright ... 42 The aided eye 43 The universe over time 44 Wish you were here! 45 News flash! SURF, SKATE AND SKI 46 Balance in sport 47 Deep diving danger 48 Gripping science 49 Bungee cord safety test 50 Skateboard flick cards