Books in Science Fact Files series

Geothermal heat, made by the disintegration of the radioactive atoms in Earth's core, is not a subject young readers often get to learn about. Heavy metals and solar energy, two topics that are constantly appearing in technology news today, are typically left for more advanced readers to discover and understand. By using accessible yet exciting language and bold, colorful photography and art, this book lets young readers explore a plethora of fascinating yet digestible facts about what our planet naturally provides and how we harness it.

Did you know: a medium-sized lightning bolt contains enough electricity to supply a large town for a year? our bodies are full of tiny electric currents? powerful magnets can make a high-speed train float above the track?Find out more amazing facts and mind-bending information in this dynamic and fascinating book on electricity and magnetism. It is perfect for topic-based projects and for Science at Key Stage 2 and 3 (7-14 years).

This book is packed with stunning colour photographs and diagrams. Together with a detailed and expertly written text, it provides an accurate, comprehensive account of the topic of light and sound for key stage 3 students. Main text is supported by a series of fact files which provide information at a glance: history file, future file, test file and fact file. Topics covered include:The speed of lightColour and brightnessReflection, refraction, mirrors and lensesLasers and hologramsSound waves, echoes and sonarInfrasound and ultrasoundEars and hearingRecording and storing sounds