Understanding volcanoes

"This program explores the workings of shield volcanoes, cinder cones, and composite volcanoes by examining how the planet formed and how its tectonic plates continue to shift. In addition, scientists explain the methods they use to predict impending volcanic eruptions."
"Studies the forces that work to create a volcano, visits people whose lives center around real-life towering infernoes, and examines the history of volcano study. Has two segments with answer and resources statements at the end of each part."
"Studies the forces that work to create a volcano, visits people whose lives center around real-life towering infernoes, and examines the history of volcano study. Has two segments with answer and resources statements at the end of each part."@en
""From its crust to its molten core, Earth is a planet under immense pressure. How does it let off steam? This program explores the workings of shield volcanoes, cinder cones, and composite volcanoes by examining how the planet formed and how its tectonic plates continue to shift. In addition, scientists explain the methods they use to predict impending volcanic eruptions. Spectacular news footage of volcanoes' awesome power is included as well"--Container."@en