Which organ pumps blood through the human body?
What is the atomic number of carbon?
How many planets are in the Solar System?
Which physicist discovered radium and polonium with her husband?
Which country's flag is a red circle on a white field?
How many bones are in the adult human body?
Which chemical element has the symbol W?
What is the capital city of Kazakhstan?
Which chemical element has the symbol Pb?
Which chemical element has the symbol Ag?
Which chemical element has the symbol K?
Which planet in the Solar System is the largest?
What is the capital city of Canada?
In what year did Twitter launch to the public?
How many bits are in a byte?
In what year was JavaScript created?
In what year was Netflix founded?
In what year was the first iPhone released?
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?
In what year were the Nobel Prizes first awarded?
