Quidditch things
Artifacts and cool old stuff
Are you late for potions class?
Mr. Minister can I please cast this in front of muggles
Ghosts and spookies about the corridors
200
Name of the ball which is thrown up to start the game, akin to basketball
Quaffle
200
This magical train helps get students to and from Hogwarts every year
The Hogwarts Express
200
This potion can change the user's appearance into another's if their DNA is supplemented into the draught
Polyjuice Potion 
200
Has a delicious last name and would often consult Dumbledore for advice on many things
Cornelius Fudge
200
This ghost was formerly a Gryffindor and told Harry this: "I know nothing of the secrets of death, Harry, for I chose my feeble imitation of life instead..."
He also has a knack for being headless :0
Sir Nicholas/Nearly Headless Nick
400
How often is the quidditch world cup held
Every 4 years
400
This powerful magical object was used by Hermione Granger to allow her to take even more classes throughout her years at Hogwarts
A time-turner 
400
This draught has the ability to heal one's petrification
Mandrake restorative draught 
400
Liked him better in underworld and was sadly only here for like 3 minutes and then died. Also administered Dumbledores will and final wishes
Rufus Scrimgeour
400
This specter was the house ghost to Hufflepuff and had a very jovial demeanor, happily welcoming students to Hogwarts and to house Hufflepuff
The Fat Friar 
600
Who was responsible for inventing the golden snitch to replace the poor birdie they used to chase
Bowman Wright 
600
This device was used by Harry, Ron, and Hermione at the quidditch world cup to help them see from their high vantage.
Omnioculars
600
This potion is one of the strongest of it's kind, packaged in chocolates meant for harry it was accidentally consumed by Ronald
Amortentia 
600
This minister rose to power in the mid 1990's and was under the thumb of a powerful and influential wizard
Pius Thicknesse 
600
This ghost attended Hogwarts close to its founding and was sorted into Slytherin house, he was covered in the blood of Helena Ravenclaw.
The Bloody Baron
800
An ancient predecessor to quidditch this game was invented in Germany and would feature a single goalkeeper who would protect an inflated dragon bladder. A number of other players mounted on broomsticks would attempt to pierce the bladder, with the first who successfully did so being declared the winner
StitchStock
800
This object was seen in the chamber of secrets and Lucius referred to it as a tool for a common thief
Hand of glory
800
This beverage will make one incoherently speaking of absolute nonsense
Babbling Beverage 
800
Was the minister from 1789-1798. His term was quite controversial as many suspected he was a puppet to Septimus Malfoy
Unctuous Osbert
800
This ghost does not reside within the castle but had a close relationship Godric Gryfindor and was the one responsible for creating the sword of gryfindor
Ragnuk, the goblin king
1000
Where did the name of Quidditch derive from
The location. The game was first contrived in Queerditch marsh, the location of the first ever recorded game. A witch by the name of Gertie Keddle lived on the edge of the marsh and complained when mad heads were flying around playing with a ball and dropping it into her cabbage patch
1000
This book will make the user forevermore speak in limerics
Sonnets of a sorcerer
1000
This potion will surround the user in an active thunderstorm, zapping anyone nearby
Thunderbrew
1000
This woman was fascinated with muggle technology and was responsible for the induction of the Hogwarts express to ferry all the masses to Hogwarts
Ottaline Gambol
1000
This former student died in the early 1800's and was only featured in the very remembered game of Harry Potter Magic Awakened
Simon Talmadge