What do you know about dance? It is truly my passion.
I don't know a great deal about dance except that I am a terrible dancer! lol Do you like to dance?
I know that dance is a type of art where you perform. 
Have you ever been to the ballet? I would love to go sometime.
Dance
Dance is a performing art form consisting of purposefully selected sequences of human movement. This movement has aesthetic and symbolic value, and is acknowledged as dance by performers and observers within a particular culture. Dance can be categorized and described by its choreography, by its repertoire of movements, or by its historical period or place of origin.
An important distinction is to be drawn between the contexts of theatrical and participatory dance, although these two categories are not always completely separate; both may have special functions, whether social
standing ovation from the crowd and all three judges—Nigel Lythgoe, Mia Michaels, and Adam Shankman. Host Cat Deeley commented "I have never, never, in 'So You Think You Can Dance' history, heard a roar from a crowd like this - ever." Lythgoe called the concept "brilliant... This is about a ballet dancer doing the most incredible hip-hop... If this routine and you are not up for an Emmy with Napoleon and Tabitha next year, I don't know why not.