Lesson Plan

Volcanoes!: The Mountain Blows its Top

Curated and Reviewed by Lesson Planet

Students observe two demonstrations to conclude why bulge developed on the north flank of Mount St. Helens and conclude that when the "cap" was removed the pressure inside the volcano was suddenly released causing the violent eruption.

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Resource Details
4th - 8th
2 more...
Resource Type
Lesson Plans
Instructional Strategy
Inquiry-Based Learning