Demonstrates the phases of the water cycle, from evaporation to condensation to precipitation to collection. Features an interactive question-and-answer format and hands-on activities.
Examines why the Earth has seasons and why the seasons are different in different parts of the world. Features an interactive question-and-answer format and hands-on activities.
Bill takes a look at Jupiter's features, Earth's elliptical orbit and the distances between planets, and demonstrates how to make Mars soil. Features an interactive question-and-answer format and hands-on activities.