History
Science
Geography
Consoles
Music
100

The first US President

George Washington

100

The powerhouse of the cell

Mitochondria

100

The number of Continents

Seven (7)

100

The first At-home console of this Millennium 

The PlayStation 2

100

Christina Aguilera sang the lyric "You are ___ no matter what they say, words can't bring you down".

Beautiful

200

Ancient Egypt, the name of of those who's job was to write and keep records.

Scribes

200

The opposite of Acidic

Basic

200

A narrow passage of water connecting two seas or two other large areas of water

A Strait

300

The year the first World War began

1914

300

A planet that has no moon

Venus or Mercury

300

Wyoming's Largest Lake

Yellow Stone Lake

400

During WWII, on whose side did Spain fight?

None; Spain was neutral

400

The Hardest naturally occurring element

Diamond
400

The mountain range that lies on the northern border of India

The Himalayas

500

A series of religious wars between Christians and Muslims started primarily to secure control of holy sites considered sacred by both groups.

The Crusades

500

The very first At-Home gaming console

The Magnavox Odyssey