Seasons, The

You have probably wondered why the days are shorter in winter than in summer, or why it is very hot in the middle of Africa and cold at the North Pole. But these are only the beginning of your questions about what makes the seasons.

In this book you will find many of the answers. It tells how the earth moves around the sun and how the sun affects life on earth. It describes the work of nature during the four seasons, and shows how the reader can try experiments to help him understand.