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Volcanic Activity

Dive into the diverse world of volcanoes classified by shapes, sizes, and orientations, including major sites like Galapagos Islands, Kilauea, and Crater Lake. Learn about volcanic cones, shield volcanoes, and composite volcanoes, distinguishing their characteristics and features. Discover the formation of calderas, lava tubes, and volcanic bombs, showcasing the dynamic nature of volcanic activity worldwide.

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Volcanic Activity

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  1. Volcanic Activity

  2. Igneous __________- classified by shape, size, and orientation Intrusions

  3. Major Volcanoes Around the World

  4. There are three types of volcanic cones: Cinder • ______ – explosive eruptions, small but steep slopes, pyroclastics • _______ – nonexplosive eruptions, fluid basaltic lava, gentle broad slopes • _________ – alternating between lava and pyroclastics, explosive and nonexplosive eruptions, steep and tall Shield Composite

  5. The _________ Islands are a volcanic group of islands 600 miles off the coast of Ecuador on the equator. Galapagos

  6. Lava flowing underground created this _____ _____, large enough to walk through. lava tube

  7. Kilauea on Hawaii is a good example of a _______ cone, with less explosive eruptions and less viscous lava. shield

  8. Mt Rainier and Mt St Helens are good examples of __________ cones, with explosive eruptions and erupted materials such as ash, bombs, and blocks. composite Mt St Helens Mt Rainier

  9. Crater Lake in Oregon is a __________formed from the collapse of the gigantic volcano Mount Mazama. ________________in the center of the lake is a small cinder cone. caldera Wizard Island

  10. Volcanoes Review: • Fast-moving clouds of gas, ash, and other tephra are called ____________ _ • Large, rounded tephra are called __________ . • Iceland and Hawaii have ______ cones. • A mushroom-shaped igneous intrusion is a ______________. pyroclastic flows volcanic bombs shield laccolith

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