Hogwarts
I am a secret room within Hogwarts Castle, that only appeared when a person was in great need of it.
What is the Room of Requirement
(also accepted: the Come and Go Room)
Name 2 of the house elves mentionned in the series
Dobby, Winky, Kreacher, Hockey
What is Peeves?
A poltergeist
In Harry Potter and the Order of the Phoenix, Hogwarts gets its worst-ever Defense Against the Dark Arts Teacher. Who was it?
Dolores Umbridge
Exceptionally handsome and infuriatingly arrogant, Professor Gilderoy Lockhart is a fraud and a disaster at almost all spells. There is one type of charm at which he excels, however. What is it?
Memory charms
The names of the 4 founders of Hogwarts
Who are Godric Gryffindor, Helga Hufflepuff, Rowena Ravenclaw and Salazar Slytherin?
Large, skeletal, dragon-like winged horses that are only visible to individuals who have witnessed and fully accepted death
Thestrals
Crookshanks was Hermione Granger's pet cat. He was half what?
half-Kneazle
In the fourth book/movie, Harry received much unwanted attention from which Daily Prophet reporter?
Rita Skeeter
What are the three Unforgivable Curses?
Avada Kedavra, Crucio and Imperio
The Hogwarts class taught by a ghost
What is History of Magic
This creature was in the corner of Remus Lupin's office the first time that Harry visited
A grindylow
What's the only book in the Harry Potter series that doesn't feature Lord Voldemort?
The Prisoner of Azkaban
At the beginning of "Harry Potter and the Half-Blood Prince," we meet a new Hogwarts professor. Who was he?
Professor Slughorn
What spell does Hermione use to get pass the Devil's Snare?
Lumos Solem
The only common room Harry Potter did not enter at some point during his years at Hogwarts
What is the Hufflepuff common room?
Professor Firenze takes over the Divination class after Professor Sybill Trelawney is sacked by Dolores Umbridge. What is he?
A centaur
What's the name of the fairy-tale book that Dumbledore bequeaths to Hermione in "The Deathly Hallows"?
The Tales of Beedle the Bard
What is Fleur's sister's name?
Gabrielle Delacour
The world's strongest Love Potion - does not create real love, just powerful obsession - and therefore one of the most dangerous potions in the Potions teacher's opinion.
Amortentia
The Hogwarts motto in English
What is Never tickle a sleeping dragon?
In the Goblet of Fire, the Beauxbatons students arrived by air in a carriaged pulled by gigantic winged horsesthat only drank single-malt whiskey. What were these creatures called?
Abraxan
A tidbit offered in the final epilogue is that this former Hogwarts student is now teaching Herbology at his alma mater.
Neville Longbottom
Who killed Rowena Ravenclaw's daughter?
The Bloody Baron
A potion that temporarily makes the drinker lucky, allowing them to succeed in all their endeavours.
Felix Felicis (Also known as Liquid Luck)