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In what year did Henry Cavendish carry out his experiment to measure the density of the Earth? Answer with the four-digit year only.
What is the capital of Morocco? Answer with the city name only.
What is the two-character IATA code of China Eastern Airlines? Answer with the two-character code only.
Which particle carries the electromagnetic force? Answer with the particle name only, in lowercase.
What is the two-character IATA code of Qantas? Answer with the two-character code only.
Australia is both a country and a continent. Answer true or false.
Who was the first person to walk on the Moon? Answer with the surname only.
In what year did Pierre Agostini, Ferenc Krausz and Anne L'Huillier win the Nobel Prize in Physics for attosecond light pulses? Answer with the four-digit year only.
In what year was Ivy Mike, the first full-scale hydrogen bomb test, detonated? Answer with the four-digit year only.
What is the SI unit of magnetic flux? Answer with the unit name only, in lowercase.
In what year did the Boeing 707 enter commercial service? Answer with the four-digit year only.
What is the capital of Ethiopia? Answer with the city name only.
How many natural moons does Mars have? Answer with the whole number only.
Which astronomer formulated the three laws of planetary motion? Answer with the surname only.
In what year did Werner Heisenberg publish the uncertainty principle? Answer with the four-digit year only.
Which numbered law of motion of Newton is usually written F = ma? Answer with the whole number only.
Photons have zero rest mass. Answer true or false.
In what year was the Dominion of Canada formed by Confederation? 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.
How many US states border Canada? Answer with the whole number only.
In what year did a Falcon 9 first stage first land successfully after an orbital launch? Answer with the four-digit year only.
In what year did easyJet operate its first flight? Answer with the four-digit year only.
In what year did the Juno spacecraft enter orbit around Jupiter? Answer with the four-digit year only.
In what year did the Perseverance rover land on Mars? Answer with the four-digit year only.