What scientific principle allows a compass to work?

More Questions:

What name is shared between a 2nd Earl of Pembroke and an English cider?

What American was named captain of the Montreal Canadiens in Sep 2015?

What are Persian apples known as today?

What is the better-known word for "aubergine"?

What does a philatelist collect?

What is the supposed site of the Isle of Avalon?

How many of the gifts in the song "The Twelve Days of Christmas" do not involve birds?

In what country would you find the active volcano "Lassen Peak"?

What is the "bole" of a tree?

What is measured in Candelas?

Who played the male starring role in 1967 film "The Graduate"?

Who played the role of Jenna Maroney on the TV show "30 Rock"?

Which James Bond actor once worked as a coffin polisher?

What singer's manager for over two decades was Colonel Tom Parker?

On what island is the TV series "Wings" set?