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 "When did plants appear on earth?" "What is bacteria?" "Why do plants have different scents and colors?" "Why do birds have feathers?" "How far do birds migrate?" "What birds lay the largest eggs?" and "Are there squirrels in other countries?". Grades 1-6. 60 minutes on DVD.