Find Out About Flight: With 18 projects and more than 240 pictures

A lively and accessible introduction to every aspect of flight, in both machines and the animal kingdom - including wings and lift, air resistance, and gliding and soaring, Features 18 hands-on experiments to help you really find out for yourself - make a miniature plane and a hot-air balloon, construct a kite, and build models to demonstrate how birds fly and how jet engines work, More than 240 pictures include step-by-step photographs and explanatory diagrams, A fascinating fact file and ...