Covers the basics of earth science and space science. Concise, easy-to-understand explanations are reinforced by colorful illustrations/diagrams and straightforward tables. Earth science topics include: . �Geology & Geological Calendar . �Lithosphere - Elements, Minerals & Rocks . �Layers of Earth & Plate Tectonics . �Hydrosphere - Earth's Fresh & Salt Water . �Atmosphere - Weather, Wind & Storms . �And more! Space science topics include: . �Universe - ''Big Bang,'' Stars & Galaxies . �Solar System - Sun, Moon, Planets & Asteroid Belt . �And more!