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Chamber of Secrets
100

How do Harry and Ron get to Hogwarts after they can't get through Platform 9 3/4?

Flying car

100

Who faints during Herbology class?

Neville Longbottom
100

What is the name of the elf who tries to stop Harry from going back to Hogwarts?

Dobby

100

How does Dobby become free?

He is given a sock by his master (Lucius Malfoy)

100

Whose soul was in the diary that Harry was writing to?

Tom Riddle/Voldemort

200
What do the Weasley's use to travel to Diagon Alley?

Floo powder

200

Who tries to help Harry's broken arm after the Quidditch game and fails?

Professor Gilderoy Lockhart

200

What creature lives under the Chamber of Secrets that kills people by looking them in the eyes?

A basilisk

200

Who is the new Seeker for Slytherin?

Draco Malfoy

200

How many people/animals were petrified? 

4 (5 if you include Nearly Headless Nick)

300

Where does the flying car land when Harry and Ron arrive at Hogwarts?

The Whomping Willow

300

Who sneaks the diary to Ginny Weasley?

Lucius Malfoy

300

Who is the giant spider that lives in the Forbidden Forest that tried to eat Harry and Ron?

Aragog

300

How did Moaning Myrtle die?

She looked the basilisk in the eyes

300

Who was wrongly accused of opening the Chamber of Secrets 50 years ago?

Hagrid

400

Who saved Harry from the Dursley's through his window?

Ron, Fred, and George

400

Ron and Harry turn into which Slytherins with Polyjuice Potion to receive information from Draco?

Crabbe and Goyle

400

In Herbology class, what did the students have to repot?

(Baby) Mandrakes

400

What does Harry have to do during detention with Professor Lockhart?

Help him answer his fan mail

400

How did Harry get into the Chamber of Secrets?

Speaking Parseltongue

500

Where did Harry end up when he said "Diagon Alley" wrong?

Knockturn Alley/Borgin and Burkes

500

What is Voldemort's original name? (Full name)

Tom Marvolo Riddle

500

What animals did Professor Lockhart unleash in his classroom?

Cornish Pixies

500

What is the first transfiguration lesson?

Turning animals into water goblets

500

What does Fawkes bring Harry when he's in the chamber?

The sorting hat