Director: Tarquin Cardona ; producer: Olga M. Palacio ; executive producers: Andrew Schlessinger, Tracy Mitchell, Paul D. Kramer.
Why do the seasons change? What causes different regions of the world to have different climates? Students will learn about these yearly changes through demonstration and investigation. Shows the effects of direct sunlight on areas of the world and demonstrates the concept behind the device known as an orrery.
Special features: discussion questions and activities, investigation data sheet.
English and Spanish language tracks ; closed captioned.