Smithsonian Institution
3) Presidents
This award-winning science book is bubbling over with entertaining and educational experiments for budding scientists to follow at home or in the classroom.
Build a soap-powered sailboat, recreate the Solar System out of rubber bands, construct your own colorful kaleidoscope, or make mouthwatering monster marshmallows. Explore the whole range of imaginative activities offered.
A foreword by Jack Andraka, a teen award-winning inventor,