Which chemical element has the symbol Ag?
What is the capital city of New Zealand?
Which chemical element has the symbol K?
What is the capital city of Canada?
What is the name of the cat in the 'Keyboard Cat' video?
What is the title of the first video ever uploaded to YouTube?
How many protons does a helium nucleus have?
What is the speed of light in vacuum, in meters per second, as defined exactly by the SI?
How many elements were in the periodic table as of 2025?
In what year did Alexander Fleming discover penicillin?
In what year did Elvis Presley die?
How many chromosomes does a typical human somatic cell have?
In what year did the New Horizons spacecraft fly by Pluto?
In what year did the Space Shuttle Challenger disaster occur?
What is the atomic number of carbon?
In what year did NASA's Curiosity rover land on Mars?
In what year was the Coachella festival first held?
How many keys does a standard full-size piano have?
How many strings does a standard violin have?
In what year was the Woodstock music festival held?
