Tell Me Why: Gems Metals And Minerals - Spanish
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. Answers questions such as "What is erosion?" "How many different kinds of rocks are there?" "What is coal?" "What is an alloy?" Each program comes complete with its own study guide containing a glossary, additional questions and suggested learning strategies.