Hogwarts song, each student in turn is seated upon the stool in front of the rest of the student body. The Hat is placed on the student's head, whereupon it examines his or her mind and assigns them to one of the four Houses based on abilities, personality, and preferences. After the Sorting Ceremony, the students and teachers enjoy a feast, prepared by the Hogwarts house-elves. If Dumbledore is feeling cheerful, he will lead the students in singing the school song. Hogwarts is divided into four houses, each bearing the last name of its founder: Godric Gryffindor, Salazar Slytherin, Rowena Ravenclaw
Poltergeist have seemed to centre on an adolescent, usually a girl). He found that the centre of the disturbance was often a child who was throwing objects around to fool or scare people for attention. Skeptical investigator Joe Nickell says that claimed poltergeist incidents typically originate from "an individual who is motivated to cause mischief". According to Nickell: "In the typical poltergeist outbreak, small objects are hurled through the air by unseen forces, furniture is overturned, or other disturbances occur -- usually just what could be accomplished by a juvenile trickster determined to plague credulous adults." Nickell writes that reports are