Mandrakes
Mandrakes are a plant that helps restore those who have been petrified to their original state. Their cry is also fatal to those who hear it. Mandrakes were first introduced in the book Harry Potter and the Chamber of Secrets, and then are mentioned briefly in Harry Potter and the Deathly Hallows.
Arithmancy. Hermione takes this class, but Harry does not so we never actually meet Professor Vector.
according to facebooks quiz it says that Professor Babbling teaches ancient runes but I've never heard of him/her! hope this helps
What did professor Dumbledore give to Ron and Harry
Mandrakes
Mandrakes are a plant that helps restore those who have been petrified to their original state. Their cry is also fatal to those who hear it. Mandrakes were first introduced in the book Harry Potter and the Chamber of Secrets, and then are mentioned briefly in Harry Potter and the Deathly Hallows.
Professor Sprout
professor snape teaches potions but wants the dark arts job until he betrays Hogwarts
A ficticious person. He teaches Potions at Hogwarts School, in the Harry Potter stories.
ron weasley. he teaches harry wizard chess at christmas
She is a professor of Hogwarts (teaches transfiguration), Head of House Gryffindor, Deputy Headmistress.
In Order of the Phoenix, Professor Snape teaches Harry Occlumency and Harry's least favourite, Potions.
You go to the wardrobe, put on earmuffs and hold them to break glass.
Arithmancy. Hermione takes this class, but Harry does not so we never actually meet Professor Vector.
Telescopes are covered in Astronomy class. This is taught by Professor Sinistra.
If you're referring to where do they appear, then the answer is; in harry potter and the chamber of secrets, in the greenhouse when the second years were replanting the mandrakes they needed to wear earmuffs otherwise they could be knocked out. If the mandrakes had been adults then their shreaks could have killed humans, but since they were only babies, they could only knock them out.