The Stem Encyclopedia of heat Written by Bob Harvey Felicia Law Illustrated by Yuliya Somina Published by BrambleKids
COntents 4-5 THE SUN OUR HEATER How hot Sunny facts Shooting gas A dying star 6-7 SHIFTING LIQUID Liquid and rock A floating crust Tectonic plates 8-9 WARM CLIMATES How hot Hot around the middle Hottest place on Earth 10-11 FIERY ERUPTIONS Lava flow Live volcanoes Calderas 12-13 POMPEII TO EYJAFJALLAJÖKULL Pompeii Eyjafjallajökull 14-15 IN THE GREENHOUSE Greenhouse gases Thinning ozone CFCs Methane 16-17 OUR PLANET Felling forests Polluting gases Melting ice Spreading deserts CHANGES 18-19 WHAT IS HEAT Jumping molecules Rub your hands Heat changes everything The 3 forms of water 20-21 EXTRA HOT Using infrared Cook infrared DonGt touch Microwaves 22-23 MAKING PLANTS GROW Making seeds germinate Blossoms and pollen Photosynthesis 24-25 RIPENING Sweet food Ripening fruits Overripe Door to door Tunnels and greenhouses 26-27 HOT BODIES How hot are you Hot blood Sweating heat Keeping warm 28-29 FIRE AND FLAMES Making fire Making sparks with flints Fire from sunlight 30-31 HOT DESTRUCTION Forest fires Flowers from flames Fire storms
48-49 COOKED FOOD Barbecues and fire pits Medieval spit-roasting Hot spices How yeast works 50-51 DRIED OUT Dried meat Dried flavors Louis Pasteur 52-53 BOOM Nuclear fission Gunpowder Fireworks 54-55 HOT TRANSFORMATION Smelting ore Extruding metal Welding Casting 56-57 MELTING AND MAKING Glassblowing Pottery Hot wax 58-59 HOT AIR Hot air balloons Floating research Chinese signalling lanterns GLOSSARY and INDEX 32-33 PUTTING OUT FLAMES Carbon dioxide Oil well fire Fire planes 34-35 HEATED WIRES Hot wires Power up Dryers Photovoltaic electricity Solar electricity 36-37 HEATING HOMES Hypocaust heating Radiant heating Hot wash Warm home Wrapping up 38-39 COOLING HOMES Fans and punkahs Electric fans Air conditioning Cooling drips Windcatchers 40-41 FOSSIL FUELS Burning coal Oil Geothermal energy 42-43 BIO FUELS Biomass Methane 44-45 HUBBLE BUBBLE Boiling point Elbow heat Thermometers Sterilising 46-47 STEAM Making steam Steam engines Underground steam
