Amazing Experiment---Light and Sound

Author: Michael Disbrow, translated by Cao Xuewei
Publisher:
Publish Date: 2002-01-01
Features: This book includes over 70 exciting and fascinating physics experiments that greatly satisfy children's curiosity and desire for knowledge. What's even rarer is that the experimental methods provided in the book are so simple and easy to operate, and the materials used are readily available at hand, requiring no effort at all. They are just small things like modeling clay, batteries, flashlights, index cards, balloons, and ping-pong balls.