What do you know about Ballet?

This quiz is about ballet. Some basic question and some special ones :)

1 Which part of the body is most involved in a battement tendu?
2 What is the international language of ballet?
3 What is the name for an admirer of the ballet?
4 Why teachers don't allow students to stand on pointe?
5 Swan Lake was created by
6 What are essiantial atributes of every ballet dancer?