The Middle by bdunn02

A masonry arch is locked into place when what object is set into position, forming the arch's mid-point?

What symphony has a middle movement with the (translated) sub-title of "Merry Gathering of Countryfolk"? (Answer should include both composer and symphony.)

The Central Time Zone is the official time zone for the entirety of 11 US states and is observed in parts of 10 others. Five of these others are partially in the Mountain Time Zone (Kansas, Nebraska, North Dakota, South Dakota, Texas), while the other five are partially in the Eastern Time Zone. Name any three of the five US states that straddle the Central and Eastern Time Zones.

In its first four seasons, the Keaton family from the NBC comedy Family Ties had three kids. What actress, whose brother was also a child-actor with a recurring part on a different 1980s NBC comedy, played the role of the middle child during those first four seasons?

In American football, the 50-yard line is the center of the field. In the Canadian Football League, the center line (denoted on-field by a painted "C") is how many yards from the end zone?

Well it winds from Chicago to L.A., more than 2,000 miles all the way. In the route specified in Nat King Cole's rendition of the song Route 66 and excluding mentions of Chicago and L.A., which two cities are at the middle of the song's geographically-ordered list?

Though also made up of some light elements and perhaps 4% nickel, Scientists believe that Earth's solid inner core consists primarily of what elemental metal?

The Günter Grass work Cat and Mouse is the second volume in what trilogy of novels, named after (and set in) the formerly German city of the author's birth?

Within a probability distribution, the mean, median, and mode are all measures of central _____. Fill in the blank.

The center of the head of a shotgun shell (shown in link) serves an important purpose. When the shotgun trigger is pulled, the firing pin strikes this middle part, when then ignites the powder, thus propelling the shot wad down the gun's barrel. What is this component (i.e., the center of the head) called?

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In the US Navy (as well as many others), a ceremony often takes place when a ship crosses the equator into the southern hemisphere. In this ceremony, King Neptune appears to help transition younger sailors from the status of "slimy pollywog" (those who have never crossed the equator) to that of honorable _____ (those who have crossed the equator and paid proper respect to Neptune). Fill in the blank.

Considered by some to be the mid-point of the Silk Road of antiquity, what oasis city, the westernmost city in the People's Republic of China and today populated largely by ethnic Uyghurs, is home to the Id Kah Mosque, the largest mosque in the PRC?