Looking for a fun project to do with students exploring light, photography, projection, filmmaking, etc.? Try making a pinhole camera or turning a space into a camera obscura.
Here are some links where you can learn to make different kinds of Cameras Obscura or Pinhole Cameras:
1. Paintcan Camera: http://www.paintcancamera.com/cameraobscura.html
2. The Creators Project: http://thecreatorsproject.vice.com/blog/make-your-own-camera-obscura-instructables-how-to
3. Spoonful: http://spoonful.com/crafts/how-make-camera-obscura