Cold winters, hot summers—year after year the seasons repeat themselves. But what causes them? This accessible elementary introduction to the science behind seasonal weather from esteemed creator Gail Gibbons is now available in Spanish!Why is there winter in the Southern Hemisphere at the same time there is summer in the Northern Hemisphere? In summertime, why is it still light out in the evening? With simple Spanish vocabulary appropriate for young readers, this book introduces young readers to the four seasons and explains why they change throughout the year.Newly revised and vetted by experts, this new Spanish translation, based on the most recently updated edition of The Reasons for Seasons, introduces the solstices, the equinoxes, and the tilt in Earth's axis that causes them, and gives examples of what each season is like across the globe from pole to pole. Clear, simple diagrams of the earth's orbit are accompanied by accessible explanations.Fascinating and easy to understand, this is a perfect introduction to seasons, Earth's orbit, and axial tilt. Different effects on different parts of the world are included, illustrating the difference in climate between the equator, the northern and southern hemispheres, and the polar regions.