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100

People learned airbending from this.

What are Sky Bison.

100

People learned waterbending from this.

What is the Moon.

100

People learned Earthbending from this.

What are Badger Moles.

100

People learned firebending from this.

What are Dragons?

100

This Avatar was the reincarnation before Aang.

Who is Avatar Roku

200

This Bison flew Aang and his friends everywhere

Who is Appa

200

The moon and ocean spirits took this form in the north pole to be close to humanity

What are Koi fish

200

Toph uses this technique to "see"

What is seismic sense

200

A firelord took this event to start the hundred year war

What is sozin's comet

200

This condition is when an avatar reaches high emotion or stress. Also serves as a defense mechanism.

What is the Avatar State

300

This monk was Aangs mentor.

Who is Monk Gyatso

300

This sub category of waterbending can normally only be done during a red moon

What is blood bending

300

This form of Earthbending was first discovered by Toph

What is metal bending

300

Certain Firebenders took the teachings of waterbending to perform this technique

What is lightning redirection

300

This is the name of the first Avatar.

Who is Avatar Wan.

400

This proves mastery of airbending

What are blue arrow tattoos 

400

Katara learned this while Aang was training to firebend

What is healing

400

This group had stolen Appa

What are sand benders

400

This event causes firebenders to lose their bending

What is a solar eclispe

400

Aang learned this to defeat Ozai

Bonus 100* This taught him.

What is energy bending

* what is a lion turtle

500

This martial art inspired airbending

What is Ba Gua

500

This Martial art inspired waterbending

What is Tai Chi

500

This Martial Art inspired Earthbending

Bonus 300* 

Toph's earthbending

What is Hung Gar

*southern praying mantis/chugar

500

This Martial Art inspired firebending

What is northern xiaolin 

500

This is the name of the Avatar Spirit

Who is Raava