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University of Cincinnati: Project Step: Build a Bridge
In this two-period lesson, students work in teams to focus on the real-world application of bridge design and construction based on capacity, cost, and aesthetics.
Khan Academy
Khan Academy: An Introduction to the Song Dynasty (960 1279)
The Song dynasty was the second great "medieval" period of China. Northern Song (while it lasted) and the Southern Song (from 1127 until 1279) achieved incredible feats of learning, science, art, and philosophy. International trade and...