Harness it

By Tammy Enz

Subjects: Juvenile literature, Energy resources, Force and energy, Power resources, juvenile literature, Ressources énergétiques, Expériences, Experiments, Power resources, Ouvrages pour la jeunesse, Force et énergie, Force and energy, juvenile literature

Description: "Explains the principles of inventing and provides photo-illustrated instructions for making a variety of projects that harness energy"--Provided by publisher.