Istanbul is the capital of Turkey. Answer true or false.
In what year did Werner Heisenberg publish the uncertainty principle? Answer with the four-digit year only.
In what year did Japan Airlines Flight 123 crash, the deadliest single-aircraft accident? Answer with the four-digit year only.
What is the two-character IATA code of Singapore Airlines? Answer with the two-character code only.
The equator passes through Brazil. Answer true or false.
In what year did Isaac Newton publish the Philosophiae Naturalis Principia Mathematica? Answer with the four-digit year only.
How many neutrons are in the nucleus of uranium-238? Answer with the whole number only.
How many pascals are in one standard atmosphere, exactly? Answer with the whole number only.
In what year did the Boeing 777 enter commercial service? Answer with the four-digit year only.
In what year did the Perseverance rover land on Mars? Answer with the four-digit year only.
In what year was James Chadwick awarded the Nobel Prize in Physics? Answer with the four-digit year only.
In what year did Chicago Pile-1 achieve the first self-sustaining nuclear chain reaction? Answer with the four-digit year only.
In what year was the Boeing 737 MAX grounded worldwide after two crashes? Answer with the four-digit year only.
What is the largest hot desert in the world? Answer with the desert name only, without the word Desert.
In what year did the Apollo 1 cabin fire occur? Answer with the four-digit year only.
How many member states does the European Union have, as of 2025? Answer with the whole number only.
What is the two-character IATA code of Air France? Answer with the two-character code only.
In what year did Roger Penrose, Reinhard Genzel and Andrea Ghez share the Nobel Prize in Physics? Answer with the four-digit year only.
Which asteroid moon did NASA's DART spacecraft hit in 2022? Answer with the name only.
What is the height of Mount Kilimanjaro in meters, as usually cited? Answer with the whole number only.
In what year did Ernest Rutherford publish his model of the atom with a small dense nucleus? Answer with the four-digit year only.
