"C" The World
Talkin' Math
Spanish Class
Everybody Must Get Birthstones
Sounds Like Football
200

The West Indies archipelago discovered by Columbus in 1503 isn't the Crocodile Islands but these

What are The Cayman Islands

200

Also an underground part of a plant, it's the solution to an equation

What is the root

200

Oh no! Temblor de tierra, this!

What is an earthquake

200

July:

Like Dorothy's Slippers

What is a ruby

200

The moment an airplane lands on the ground

What is a touchdown

400

For a European getaway, split to Split in this country on the Adriatic sea

What is Croatia

400

A '50s comedy song joked about a movie called "The Eternal Triangle", with Ingrid Bergman as this longest right triangle side

What is the hypotenuse

400

If a store is abierto, it's this

What is open

400

May:

Like Dorothy's destination city

What is emerald

400

The profit you get back on an investment

What is a return

600

This African country's English name doesn't fit the category, but its French name does

What is Cote d'lvoire

600

In math, it's a rectangular array of numbers, not the setting for a dystopian 1999 sci-fi movie

What is a matrix

600

In Latin it means "place"; in Spanish, "crazy"

What is loco

600

April:

A 726-carat one was found in 1934

What is a diamond

600

Hook, line, sinker... all that fishing gear

What is tackle

800

Its waters separate Azerbaijan from Turkmenistan

What us the Caspian sea

800

Students usually take this, the study of angles & their functions, after geometry & algebra

What is trigonometry 

800

This means a race; this "de toros" means a bullfight

What is corrida

800

September:

Precious New York Times columnist William

What is a sapphire

800

A sharp momentary surge in electrical current

What is a spike

1000

This city used to be a center for the Inquisition in the New World & is now a major Colombian oil port

What is Cartagena

1000

In calculus, it's what the notation df/dx represents; don't try to be original

What is the derivative 

1000

In Spanish it means "insignificant"; we know it better as a soup

What is menudo

1000

January:

Its color is one of the school colors of Florida State University

What is a garnet

1000

Folded Pastry

What is a turnover