Tell Me Why

I: Space, Earth & Atmosphere Answers questions such as "How big is the universe?" "What makes the stars shine?" "Why does the Moon change shape?" and much more! (Also Available in Spanish ) Each video comes complete with its own printed Study Guide containing a glossary, additional questions and suggested learning strategies. Running time: 30 min. K620 $19.95 Spanish K6205 K620DVD $29.95