Mysterious Nature - Children's Growth and Cognitive Encyclopedia

Author: Hualing, Yinghua, Jianhua, et al
Publisher:
Publish Date: 2007-01-01
Features: Children, you must know that winter is cold and summer is hot, but do you know why there are four seasons—spring, summer, autumn, and winter—in a year? Do you know that the Earth is always in motion? Sometimes, the sky is blue and the weather is pleasant; sometimes, the sky is overcast, and storms are brewing; sometimes, there are thunderstorms with lightning and thunder. Nature is ever-changing and mysterious. Do you want to explore all of these wonders? Then let's open this book together and discover the mysteries of nature!