Round 4: Tossup 2

The Nazcas accessed this good through spiral-shaped “ojos” (“OH-hoes”) built into puquios (“POO-kee-yohs”). Song-era Kaifeng housed the largest pre-modern example of a device named for this good, which the Greeks referred to as a clepsydra. Richard Arkwright designed a powered device named for this good that produced stronger yarn than the spinning jenny. (-5[1])Inscriptions from (-5[1])Sennacherib’s (“seh-NAK-eh-rib’s”) reign (-5[1])refer to a screw design for moving this good (10[1]-5[1])that (10[1])is often attributed to Archimedes. (10[4])The Persians developed an early “wheel” named for this good that was adapted by medieval Europeans to mill grain. For 10 points, name this liquid that’s heated to power steam engines. ■END■ (10[4])

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