Let's-Read-and-Find-Out Science (3) : Clouds 自然科学启蒙:看云识天气（天气）

This series of books gradually introduces basic concepts of natural science to kids through vivid pictures and simple language that satisfies kids' needs to understand the scientific world. Many of the books contain simple activities for children to do. More than half of the earth is covered by different types of clouds. Some are gloomy, terrifying rain clouds, others are big, fluffy clouds of white cotton. In the sky, these clouds can change in just a few hours, just like the weather. What kind of clouds do you have over your head?