I have Eyes for Islands
Rhyme Time
Etymology
The 1800s Year-by-year
"M"athematics
100

Island has a silent s; but pronounce it, and you get this island, home to 400,000 people.

What is Iceland?

100

Sweets covered in quartz dust.

What is sandy candy?

100

From the Latin for field, this term denotes the area around a school.

What is a campus?

100

1862: Victor Hugo publishes this epic about the French Revolution.

What are Les Misérables?

100

It can be denoted with a cross, dot, star, or not at all.

What is multiplication?

200

These two islands of New Zealand don't actually have official names in the country's register.

What are North and South Island?

200

A yearly instruction book. 

What is an annual manual?

200

Literally meaning "with the same blood," this generic word for a relative describes the relationship between most of the people here.

What is a cousin?

200

1825: This waterway is completed and promotes New York as the major harbor of America.

What is the Erie Canal?

200

Any set of rules that represent a scenario.

What is a model?

300

Darwin certainly had an eye for this archipelago, containing San Cristóbal, Santa Cruz, and Isabela. 

What are the Galápagos?

300

An attractive person covered in tied strings.

What is a knotty hottie?

300

This term for very old shares a common root with a type of poker bet.

What is ancient?
(Shares root with ante)

300

1895: Wilhelm Röntgen identifies this form of light named after the spots it might mark.

What are X-Rays?

300

Fancy name for a two-dimensional grid of numbers.

What is a matrix?

400

Sapporo, the world's snowiest city, is located on this island.

What is Hokkaido?

400

Groups where one could study eyewear.

What are glasses classes?

400

One of the most commonly loaned words in the world, this board game is named after the King of Persia.

What is chess? (Named after the "Shah")

400

1893: New Zealand becomes the first country to allow this kind of people to vote. (Though Wyoming and New Jersey beat it by almost a century.)

Who are women?

400
This operation, sometimes denoted with %, returns the remainder of a division.

What is modulo?
(Also accept modulus)

500

This island has 140 of the world's countries and is the largest on Earth.

What is Afro-Eurasia?

500

Little-known facts about one of two landlocked South American countries.

What is Bolivia trivia?

500

This explosive substance is named after its creator, John Cassell; though a cheap knock-off replaced the C with a G to get around trademark laws.

What is gasoline?

500

1885: This U.S. general/prez died of throat cancer. When asked if he wanted anything, he responded "water," as his last words.

Who is Ulysses S. Grant?

500

Any function that is not one-to-one; that is, it has more than one value for some input.

What is multivalued?