Round 6: 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 (10[1])designed a powered device named for this (10[1])good that produced stronger yarn than the spinning jenny. (-5[1])Inscriptions from Sennacherib’s (“seh-NAK-eh-rib’s”) reign refer to a screw design for moving this good (10[1])that is often (10[1])attributed to Archimedes. (0[1]-5[1])The Persians developed an early “wheel” named for this good (10[1])that was adapted by medieval Europeans to mill grain. (10[2])For 10 points, name this liquid that’s heated to power steam engines. ■END■ (10[1])

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