100 imaginative science projects are featured in this book, including how to make a device that lets you see sound waves.

"This extensive collection of do-it-yourself projects ranges from simple ideas using household materials to sophisticated plans which are unique. Each set-up includes a list of materials, instructions, and a black-and-white drawing of the finished product."--"Booklist." ..."many good projects...place in the school science library."--"Appraisal." "The directions are clear and straightforward..."--"VOYA."