What's the Kennection? #31

What violent name is given to a flock of crows?

What movie had two lines—"Plastics" and "Mrs. Robinson, you're trying to seduce me"—on the AFI's list of the top 100 movie quotes?

Daniel Gabriel Fahrenheit was the first scientist to use mercury in what kind of device?

What actor made his prime-time series debut in 2013 starring as Ryan Hardy on The Following?

What German tribe invaded Britain along with the Saxons in the 5th century, giving the country its new name?

What's the "Kennection"?