How does Ravenclaw, Hufflepuff, Gryffindor and Slytherin differ from each other?

The Hogwarts School of Witchcraft and Wizardry is divided into four houses, each bearing the last name of its founder: Godric Gryffindor, Helga Hufflepuff, Rowena Ravenclaw and Salazar Slytherin.

Gryffindor values bravery, daring, nerve, and chivalry. Its emblematic animal is the lion and its colours are scarlet and gold. "Nearly Headless Nick" is the house ghost. The founder of the house was Godric Gryffindor. Gryffindor corresponds to the element of Fire.

Hufflepuff values hard work, patience, loyalty, and fair play in its members. Its emblematic animal is the badger, and Yellow and Black are its colours. The Fat Friar is its ghost. Hufflepuff corresponds to the element of earth.

Ravenclaw values intelligence, knowledge, and wit. Its emblematic animal is the eagle, and its colours are blue and bronze. The ghost of Ravenclaw is the Grey Lady, who was the daughter of Rowena Ravenclaw, the house's founder. Ravenclaw corresponds to the element of air.

Slytherin house values ambition, cunning and resourcefulness and was founded by Salazar Slytherin. Its emblematic animal is the serpent, and its colours are emerald green and silver. The Bloody Baron is the house ghost. Slytherin corresponds roughly to the element of water.