The Award-Winning, Tell Me Why series based on the books by Arkady Leokum, gives informative and easy to understand answers to the many types of questions that children ask about everyday subjects, in a simple and entertaining manner. This program answers questions such as "How big is the universe?" "What makes the stars shine?" "Why does the moon change shape." It also answers questions such as "What is erosion?" "How many different kinds of rocks are there?" "What is coal?" "What is an alloy?"