Fascinating projects using everyday materials, demonstrated step by step in 1300 photographs! Create a working volcano; make a reflecting telescope; make a compass; build a water pump; fly your own hot air balloons and parachutes; run your own ant colony; learn to tell the age of ancient trees, and much, much more. Covers school curriculum science with sections on earth sciences, natural history, technology and transport. Step-by-step photographs and easy-to-follow practical instructions ensure success in all the experiments. Uses materials and equipment that are easily found around the home or are inexpensive to buy, making the projects simple to do at home or in the classroom. Over 150 fun, stimulating and challenging projects that actively encourage the exploration of a wide range of scientific facts and the evaluation of evidence. This is a bumper collection of 150 fantastic experiments and projects that explain a wide range of scientific facts and processes, and demonstrate how machines work. The step-by-step instructions are easy to follow, and are demonstrated in over 1300 lively photographs.The projects are arranged thematically to reflect different areas of science and technology, such as earth sciences, the natural world, physics and technology, and transport. Budding young inventors, botanists, historians and scientists are guaranteed hours of fascination and amusement while gaining a practical understanding about our everyday world and how things work.