Learn all about where ground water is stored, how it moves, and how it is accessed in a detailed and thorough 10-page reading. Whether supplementing reading for an existing environmental or earth science course or providing background...

Learn what rocks are, how they turn into soil, and their many different uses. Educational extras include a glossary, some do-at-home activities, a quiz, and answers to frequently asked questions.

Learn about Kentucky's state symbols and their official state places and events. In most cases you can click on the word to see a picture and find more information about the symbol, place, or event.