Alan Kahn

This passage provides a compelling resource for teaching about volcanoes, particularly Mount St. Helens, by illustrating the powerful and ongoing impact of volcanic mudflows, or lahars. It details how the 1980 eruption triggered massive, fast-moving mudflows by rapidly melting snow and glacier ice, highlighting their destructive force as they carried debris, trees, and even vehicles downstream. The text also connects Mount St. Helens to other volcanic events, such as the deadly 1985 Nevado del R

Volcanoes is an interdisciplinary set of materials for grades 4-8. Through the story of the 1980 eruption of Mount St. Helens, students will answer fundamental questions about volcanoes: "What is a volcano?" "Where do volcanoes occur and why?" "What are the effects of volcanoes on the Earth system?" "What are the risks and the benefits of living near volcanoes?" "Can scientists forecast volcanic eruptions?" This first lesson is free and over time I will add to it.