The experiments in these books--easy and fun science experiments using household materials--are perfect starting points for science fair projects that support the Science school curriculum.
The experiments in these books--easy and fun science experiments using household materials--are perfect starting points for science fair projects that support the Science school curriculum.
The experiments in these books--easy and fun science experiments using household materials--are perfect starting points for science fair projects that support the Science school curriculum.
Presents an introduction to the principles of electricity and magnetism, with instructions for science projects and experiments which demonstrate these principles.