Contents

Contents : about this book; RIVERS AND OCEANS - water in our world; the water cycle; water under the ground; river sources; rivers at work; winding rivers; The Nile; lakes; oceans and seas; waves, currents and tides; water pollution; amazing rivers and oceans; MOUNTAINS AND VOLCANOES - our changing world; deep inside the earth; the eaarth’s jigsaw puzzle; earthquake; building mountains; The Himalayas; the exploding earth; fire islands; fiery rocks; amazing mountains; hot water; WEATHER AND CLIMATE - weather patterns; seasons of the year; sun power; heat and cold; air pressure; windy weather; cloudy skies; rainy days; ice and snow; violent weather; weather watch; MAPS AND MAPPING - a bird’s eye view; mapping your room; map scales; symbols and colours; heights and slopes; contour lines; finding the way; measuring angles; making maps; latitude and longitude; map projections; using maps; index; acknowledgements;