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Subtitle: The Way the Earth Works. Earth-science activities include models of erupting volcanoes strike-slip faults, and sea floor. Students conduct "research" at key geological sites around the world and record observations, calculations, and conclusions. Some concepts covered: geological time, lithosphere, plate boundaries (transform, convergent, divergent), types of volcanoes (shield, strato), sea-floor spreading, subduction causes and consequences of earthquakes, viscosity, density, sedimentary layers, geochemistry of magmas. | |