Running Time: 47 minutes
This volume of Secrets of Science investigates volcanoes, glaciers, polar caps, and the tropics.
It includes the following segments:
- When Lava Flows examines the different types of volcanoes and how they work.
- Glaciers: The Cold Facts looks at how glaciers have carved our planet.
- The Antarctic: A Frozen World is an exploration of this little known part of our planet.
- The Torrid Tropics focuses on tropical climates