Thanks Anita for the ppt!
I made a quick crossword search. My school did units 1-8 and 12-13; so there's some extra words in there. The crossword might be too challenging: it's large, and the words go all ways (up, down, backwards, diagonal). I figured I would give it to them in the last ten minutes of class. They probably wont finish, so they can take it home with them.