Find out all about science with fun step-by-step experimentsFind out all about science with fun step-by-step experiments Discover the world of science through easy-to-follow experimentsWhat is a magnet? Why are some materials magnetic? How does a compass work? Find out the answers to these questions and much more in Be a Scientist: Investigate Materials.This friendly, illustrated series shows how young scientists can use investigation to find out about science for themselves.