The well runs deep
Trivia questions and answers, drawn fresh from the well
239,757 public questions across 1,818 topics. Challenge yourself, or build the perfect quiz for game night.
239,757
Questions with answers
1,818
Topics to explore
3
Depths of difficulty
Today at the well
1 / 5 0
Which Tex-Mex dish combines ground beef, beans, cheese, and tortilla chips in a layered casserole?
Answer
Frito pie
Which San Antonio restaurant is credited with popularizing the puffy taco?
Answer
Ray’s Drive Inn
In the 1849 Fizeau experiment, what did Hippolyte Fizeau measure using a rotating toothed wheel?
Answer
The speed of light
In the 1938 Hahn–Strassmann experiment, which element was found among the products of bombarded uranium?
Answer
Barium
0 / 5
Round complete
239,757 trivia questions
Every question has an answer
1,818 public topics
Something for every quiz
Free to explore
Reveal answers at your own pace
Fresh from the well
Latest trivia questions
Which San Antonio restaurant is credited with popularizing the puffy taco?
Answer
Ray’s Drive Inn
In the 1849 Fizeau experiment, what did Hippolyte Fizeau measure using a rotating toothed wheel?
Answer
The speed of light
In Alain Aspect’s 1982 Bell-test experiment, what did the measurements violate?
Answer
Bell’s inequality
In the 1911 Rutherford gold-foil experiment, what did most alpha particles do when fired at thin gold foil?
Answer
Passed straight through
In the Pound–Rebka experiment of 1959, which effect on gamma rays was measured in Earth’s gravitational field?
Answer
Gravitational redshift
In the 1913 Franck–Hertz experiment, what did collisions between electrons and mercury atoms reveal about atomic energy?
Answer
Quantized energy levels