The title of chapter 17
Cat, Rat, and Dog
The title of chapter 18
Moony, Wormtail, Padfoot, and Prongs
The title of chapter 19
The Servant of Lord Voldemort
Professor Lupin is a...
werewolf!
What kind of animal dragged Ron away from Harry and Hermione?
A black dog
Why was the Whomping Willow planted at Hogwarts?
Because Lupin needed a place to transform into a werewolf every month while he was a student
How did Sirius know Peter (Scabbers) was at Hogwarts?
He saw the picture of Ron's family in the Daily Prophet
What happens to Ron when he tries to stop himself from being pulled into the tunnel below the Whomping Willow?
He broke his leg
Where does the tunnel under the Whomping Willow lead to?
The shrieking shack
Who were the three friends who became secret animagi to help their friend Lupin?
Who has been helping Sirius while he has been at Hogwarts?
Crookshanks the cat
A wizard who can turn into an animal using magic is called...?
An animagus
Who started the prank against Snape during their time at school? Who saved his life before the prank could be completed?
Sirius started the prank. James saved him.
Who was the Potter's secret-keeper?
Peter Pettigrew
Who is the black dog?
Who is the rat?
The black dog is Sirius Black.
The rat is Peter Pettigrew.
Who else shows up in the shrieking shack while Harry, Ron, and Hermione are talking to Sirius and Lupin?
Snape
He will be given to the Dementors and go to Azkaban