Ask students to write reflections—or deliver them orally, or create inspiration boards—on the work they’ve done so far.
And, finally, a note about the artistic opportunities in teaching art courses in the midst of the COVID experience: This experience, with all its uncertainty and change, is probably an emotional experience for your students. This may produce challenges for them, but it could also easily stimulate new art projects; if everyone’s already thinking about this situation, it might as well show up in their work.