What color is the sky on a clear day?
Blue
Which planet is the largest in our solar system?
Jupiter
What is the second law of thermodynamics?
The total entropy of an isolated system can never decrease over time
What is the name of the highest mountain NOT located in Asia?
Aconcagua (in Argentina)
What is the name of the physicist who first proposed the concept of the “black hole”?
John Michell
How many legs does a spider have?
Eight
Who was the first human to travel into space?
Yuri Gagarin
What element does “Pb” represent on the periodic table?
Lead
Which scientist developed the theory of general relativity?
Albert Einstein
In quantum mechanics, what principle asserts that certain pairs of properties, like position and momentum, cannot both be known to arbitrary precision?
Heisenberg's Uncertainty Principle
Who painted the Mona Lisa?
Leonardo da Vinci
What is the hardest natural substance on Earth?
Diamond
How many moons does Saturn have?
145 confirmed (as of 2023)
What number comes after a billion in the American numbering system?
A trillion
What is the chemical formula for glucose?
C₆H₁₂O₆
What is the smallest prime number?
What is the sum of the angles in a triangle?
180 degrees
In music, what does “fortissimo” mean?
To play very loudly
In Norse mythology, what is the name of the world tree?
Yggdrasil
Who won the Nobel Prize in Physics in 2023?
Pierre Agostini, Ferenc Krausz, and Anne L’Huillier (for attosecond physics)
In which month is Halloween celebrated?
October
In which year did World War II end?
1945
What is the name of the longest bone in the human body?
The femur
What is the mathematical constant e approximately equal to?
2.718
What is the Gödel incompleteness theorem?
It states that in any consistent formal system that is capable of expressing elementary arithmetic, there are true statements that cannot be proven within the system