Volcanoes, Earthquakes and Other Earth Movements

Duration: 600

Year Published: 1981

Complete Record: Uses live photography, demonstrations and drawings to study the causes and effects of volcanoes, earthquakes and other movements of the Earth. Discusses plate tectonics and such terms as lava, ash, crater, plates, fault and ocean ridge. Looks at the activity of the Pacific Mountain range of North and South America and Atlantic oceanic ridge.