Science
Technology
Engineering
Art
Math
100
What is the hardest natural substance on earth?
Diamond
100
What app has a green owl as the mascot?
Duolingo
100
This iconic monument was a gift from what country?
France
100
What is the art of paper-folding known as?
Oragami
100
What infinite number does this symbol represent?
Pi
200
What is the largest desert in the world?
Antarctica
200
What is the best-selling video game ever as of 2023?
Minecraft
200
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)
200
Name the Artist
Vincent Van Gogh
200
What is the only number that does not have its Roman numeral?
0
300
What fruit is slightly radioactive due to high potassium content?
Bananas
300
What is the name of the picture icons that replaced emoticons?
;) :) :0 :P
Emojis. Invented in1999 by Shigetaka Kurita
300
Where is this famous building located?
Sydney, Australia
300
What famous Italian artist was also an inventor, musician, and scientist?
Leonardo Da Vinci
300
Binary number systems, often found in computer programming, use only these two digits.
0 and 1
400
What is the only type of rock that floats?
Pumice
400
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
400
What California structure designed in 1917 has an official color of "international orange?" 
The Golden Gate Bridge
400
Name the art style
Pop Art
400
What is the number of sides on a nonagon?
Nine
500
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
500
What is the official name for the “prove you’re not a robot” tests that websites sometimes require?
CAPTCHAs
500
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.
500
What England-based street artist and political activist has used a pseudonym and whose real identify has never been discovered?
Banksy
500
What country was the first to use negative numbers?
China. They were used to calculate debt or how much someone owed.