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100
In the English writing system, this letter can represent both a vowel and a consonant, and is the penultimate letter in the Latin alphabet.
y
100
Please go to neal.fun/perfect-circle and send me a screenshot of your score.
lowest score wins
100
This cereal with a rabbit mascot is “for kids”.
Trix
100
This color is represented by the hex code #ff0000.
red
100
8 x 9
72
200
Invented in the 1440s largely to aid general literacy, this alphabet now serves as the writing system for the Korean language.
Hangul (한글/조선글)
200
This theorem in Euclidean geometry states that the sum of the areas of the two squares on a right triangle’s legs (a and b) equals the area of the square on the hypotenuse (c).
Pythagorean theorem
200
This city contains the world’s largest children’s museum, with exhibits including simulated Cretaceous and Jurassic dinosaur habitats, a carousel, a steam locomotive, and the glass sculpture Fireworks of Glass Tower and Ceiling.
Indianapolis
200
In collaboration with Parisian art paint supplier Edouard Adam, Yves Klein developed International Klein ______, which featured as a central component in many of his works.
Blue
200
The mathematical constant approximately equal to 2.71828.
e (Euler's number)
300
Though it was once historically common in Northern Europe to capitalize nouns, the convention is now almost unique to this major language.
German (also Luxembourgish and some North Frisian dialects)
300
Many strategy games such as Catan, Chinese checkers, and later releases of Civilization use grid maps composed of this shape, as opposed to squares.
hexagon
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300
This children's book written by Doreen Cronin and illustrated by Betsy Lewin tells the story of Farmer Brown’s unionizing cattle.
Click, Clack, Moo: Cows That Type
300
Anish Kapoor’s exclusive license to this light-absorbing coating, considered one of the darkest pigments created, attracted criticism from artists and resulted in the development of multiple other pigments in response.
Vantablack
300
The name of this search engine originated from a misspelling of the term for the large number 10^100.
Google (from "googol")
400
Part of the plot of Mark Dunn’s Ella Minnow Pea revolves around finding a shorter replacement for this famous pangram.
The quick brown fox jumps over the lazy dog.
400
The names of these two shapes.
kiki/bouba (or takete/maluma)
400
My Little Pony, Beyblade, Playdoh, and many more are produced by this North America-based toy and game company.
Hasbro
400
Owens Corning was the first company in the United States to trademark a color in 1985 when the Court of Appeals ruled that they had the right to prevent competitors from using this color in their insulation products.
pink
400
Following the rules of 24, make 24 with these numbers: 1, 3, 9, 10
(1 + 10) * 3 - 9
500
This sound produced by obstructing airflow in the vocal tract is represented by the IPA character which resembles a question mark.
glottal stop (or glottal plosive, ʔ)
500
Because of homeomorphology, a coffee mug can be considered topologically the same as this surface of revolution.
torus (donut)
500
World Children's Day, which commemorates the issuance of the Declaration of the Rights of the Child by the UN General Assembly, is annually celebrated in this month.
November (20 November)
500
Though no color of the visible spectrum has its hue, this color is one of the three primary colors used in subtractive color printing.
magenta
500
In cryptography, public-key algorithms are based on the computational difficulty of problems such as the integer factorization of this kind of number.
semiprimes (product of exactly two prime numbers)