A Lever - Physical Science -
David Armentrout, Patricia Armentrout
Narrador Rourke Publishing
Editorial: Rourke Publishing
Sinopsis
Examines levers, explains their functions, and suggests simple experiments to demonstrate how they work.
Duración: 13 minutos (00:13:01) Fecha de publicación: 01/01/2004; Unabridged; Copyright Year: 2003. Copyright Statment: —