The Tell Me Why Series, based on the books by Arkady Leokum, gives informative and easy-to-understand answers to the many questions children ask about everyday subjects. This program answers questions such as "What are protozoa?" "Are our teeth the same as animals' teeth?" "How do earthworms eat?" "What is an echidna?" "Why are whales considered mammals?" "What is a dolphin?" "Why do elephants have big ears?" and "Is the chimpanzee a monkey?". Grades 1-6. 60 minutes on DVD.