Geometry
Elements of the Periodic Table
Punctuation Marks
Physical Education
Civilizations
100

This is a shape that has the same sides and angles

Square

100

Element with the letter H

Hydrogen

100

Ends a sentence

Period

100

A game played between two teams of five players in which goals are scored by throwing a ball

Basketball

100

A vast civilization that grew from the city of Rome, dominating much of Europe, North Africa, and the Middle East for centuries

Romans

200

Another name for part of the moon

Crescent

200

You cannot live without this (starts with a vowel)

Oxygen

200

You asked someone something

Question Mark

200

A fast-paced team sport where players use sticks and it is cold playing this

Hockey

200

Began in 1607 with the establishment of Jamestown in by settlers who arrived from the Kingdom of England

Americans (United States)
300

This shape adds up to 180 degrees

Triangle

300

Au (Everyone can spend with this)

Gold

300

"I need three things [missing] milk, eggs, and bread" Fill in the blank 

Colon

300

A board game that requires a lot of thought and strategy and then you can hit the opponent.  How interesting!

Chess Boxing

300

A sophisticated Mesoamerican culture known for its advanced writing, art, architecture (pyramids, temples), mathematics (including the concept of zero), and complex calendar system

Mayans

400

This shape is also something that gives you the ability to see

Sphere

400

Often called quicksilver, and it's toxic, affecting the nervous system

Mercury

400

Used to indicate either possession or the omission of letters or numbers

Apostrophe

400

A full-contact team sport played with an oval ball

Rugby
400

Created fireworks, developing them from hollow bamboo stalks that exploded with noise to ward off evil spirits, eventually inventing gunpowder

The ancient Chinese

500

A 2D shape with 20 straight sides and 20 vertices (corners)

Icosagon

500

A marvel superhero can heal with this but it not a real element

Adamantium

500

An omission of words, a pause, hesitation, or an unfinished thought in writing

Ellipsis

500

a bat-and-ball sport played between two teams of 11 players, where one team bats to score "runs" by hitting a bowled ball

Cricket

500

Were a nomadic people from Central Asia, renowned as fierce, horse-mounted warriors who migrated westward into Europe around the 4th century AD

The Huns