Sarah listened intently as the Professor spoke about the negatives and moving photos. This class is surely gonna be fun. She jabbed down some points while she listened.
Once it was over Sarah set her cauldron and Scourgify'd and then casted 'Aguamenti' A small stream of water splashed into the cauldron. She checked and then casted 'Incendio' and ensured it was to low flame.

"What next, Professa?" she asked, in a mere whisper.