"Mouvement Ouvrages pour la jeunesse." . . . "\"Motion is a change in an object's position. This fascinating title explains in a clear, simple way how objects are moved by a change in energy. Simple activities show young readers how energy is changed by applying a force, either by coming in contact with an object or by a force that does not touch it physically, like gravity\"--"@en . . . . . . . "Juvenile works"@en . "Juvenile works" . . . . "What is motion?" . "Electronic books" . "What is motion?"@en . . . "JUVENILE NONFICTION / General" . .