Descripción
Explains the sources of energy that make some things work, including springs and gravity, and suggests simple experiments that reveal the basic principles of energy
Detalles del libro
Formato
Tapa blanda
Páginas
32 páginas
Idioma
Inglés
Publicado
Jul 1, 1994
Editorial
Gareth Stevens Pub
ISBN-10
0836811224
ISBN-13
9780836811223