How are sounds produced? Does light travel in a specific path? Are all shadows black? Using easy-to-find materials and the scientific method, readers can learn the answers to these questions and more. If readers are interested in competing in science fairs, this book contains great suggestions and ideas for further experiments.
Compre este e-book e ganhe mais 1 GRÁTIS!
Língua Inglês ● Formato PDF ● Páginas 160 ● ISBN 9780766048980 ● Editora Enslow Publishing, LLC ● Publicado 2010 ● Carregável 3 vezes ● Moeda EUR ● ID 8663334 ● Proteção contra cópia Adobe DRM
Requer um leitor de ebook capaz de DRM