
Teachers explore their own personal pinhole theaters.
Santa Rosa Physical Science Workshop
Pinhole Cameras - Pinhole Theater and Pinhole Viewer

Create a basic model of the eye, then get into it and use it as a pinhole theater. Learn more about your detector - they eye - by modeling it!
Relative Motion
You can find videos and explanations for this particular activity at:
https://willykscienceway.weebly.com/relative-motion.html and https://www.ngssphenomena.com/#/xs-or-os/ (links open up in new windows)
Colored Shadows
Magnetism