What is the hardest natural substance on earth?
Diamond
What app has a green owl as the mascot?
Duolingo
This iconic monument was a gift from what country?
France
What is the art of paper-folding known as?
Oragami
What infinite number does this symbol represent?
Pi
What is the largest desert in the world?
Antarctica
What is the best-selling video game ever as of 2023?
Minecraft
What Italian structure is notorious for its 3.97 degree tilt?
The Leaning Tower of Pisa
(The tilt is caused by the soft ground and unstable foundation)
Name the Artist
Vincent Van Gogh
What is the only number that does not have its Roman numeral?
0
What fruit is slightly radioactive due to high potassium content?
Bananas
What is the name of the picture icons that replaced emoticons?
;) :) :0 :P
Emojis. Invented in1999 by Shigetaka Kurita
Because it's "nature's engineer," a beaver named Tim is the Mascot for East Coast university?
MIT (Massachusetts Institute of Technology)
What famous Italian artist was also an inventor, musician, and scientist?
Leonardo Da Vinci
What is the number of sides on a nonagon?
Nine
What is the only type of rock that floats?
Pumice
What delicious computer term did web browser programmer Lou Montulli coin to refer to information that is sent from the browser to the web server?
Cookie
What California structure designed in 1917 has an official color of "international orange?"
The Golden Gate Bridge
Similar to a mirage, what is formed when light rays bend, creating an effect that is visible, but not able to be touched or approached
A Rainbow
What is the official name for the “prove you’re not a robot” tests that websites sometimes require?
CAPTCHAs
The 2020 Mars Rover, Perseverance, used type of energy to power its electronics?
Nuclear power The "Multi-Mission Radioisotope Thermoelectric Generator" converts heat generated from the decay of plutonium into electricity. Previous Mars rovers have used solar panels but these are susceptible to dust storms that cover up the panels and block sunlight.
What England-based street artist and political activist has used a pseudonym and whose real identify has never been discovered?
Banksy
What country was the first to use negative numbers?
China. They were used to calculate debt or how much someone owed.