Gizmos & Gadgets
Creating Science Contraptions That Work (and Knowing Why)Book - 1999
Provides instructions for making seventy-five contraptions that demonstrate friction, gravity, energy, motion, and other principles of physics and explains how to think like an inventor.
Publisher: Charlotte, Vt. : Williamson Pub., c1999
Characteristics: 144 p. : ill. ; 22 x 28 cm