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 (10[1])jenny. Inscriptions (10[1])from (-5[1])Sennacherib’s (“seh-NAK-eh-rib’s”) reign refer to a screw design for moving this good that is often attributed to Archimedes. The Persians (10[1])developed an early “wheel” (10[1])named for this good that was adapted by medieval Europeans (-5[1])to mill grain. (10[1])For 10 points, name this liquid that’s heated to power steam engines. (10[1])■END■

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