No, Weiss' semblance is, in Pyrrah's words, "glyphs." So that's her fancy smancy transmutation spring board circles she can make. 

Also, here's the full version of "Shine," the song that team JNPR danced to: [url=http://littlemissprincessu.tumblr.com/post/100969276517/baby-its-time-to-make-up-your-mind-i-think-that]click[/url].