Focus on the Science Encyclopedia of the Second Classroom: The World of Light, Sound, and Electricity

Author: Antonio Leonardi
Publisher:
Publish Date: 2002-02-01
Features: Focus on the Second Classroom Science Encyclopedia. From now on, understanding science has become very simple—this series of books, the "Focus on the Second Classroom Science Encyclopedia," can be read page by page or directly consulted for specific information you need. This book connects all your scientific knowledge: by following the arrows, illustrations, and annotations in the book, you can move from one topic to another related one. You can explore the book easily, gain knowledge, broaden your horizons, and deepen your understanding. This book is one of the series. How do we see things with light? Why do we hear thunder after lightning? What makes the light bulb glow? Light, sound, and electricity—these three phenomena once wore a fascinating veil that confused people for hundreds of years. Now, their laws have become clear, and people have even used them to invent various tools and instruments, changing our way of life.