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. "Time, Money & Measurement" focuses on questions like: How did the calendar begin? What do the months of the year mean? Why is a day 24 hours? How did our system of counting begin? What is the metric system? Topics in this episode include: Days of the Week, Length of a Day, Time Zones, Daylight Savings Time, Counting System, Measurement, Metric System, Money. The episode "Measurement & Flight" focuses on questions like: What is flight? What is a Bi-Plane? What is a Vertol? What is a Rocket? What are Satellites? What is the Apollo program? What is Project Gemini? Topics in this episode include: Ancient History, Why Can't Man Fly, What is Flight, How Airplanes Fly, Aircraft Types, Satellites. Grades 1-6. 60 minutes on DVD.