Title: Harness it
Description: "Explains the principles of inventing and provides photo-illustrated instructions for making a variety of projects that harness energy"--Provided by publisher.
Subjects: Force and energy, Power resources, Juvenile literature, Experiments, Power resources, juvenile literature, Force and energy, juvenile literature, Ressources énergétiques, Ouvrages pour la jeunesse, Expériences, Force et énergie, Energy resources