Search Results
Showing results 1 to 4 of 4
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-399.png?itok=5Is-kYcS)
Glowing in the Dark
Source Institutions
In this activity, learners explore phosphorescence and how certain materials can absorb and store energy from a light source.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-400.jpg?itok=SVpRqZWi)
Pinhole Viewer
Source Institutions
In this activity, learners discuss and investigate how cameras, telescopes, and their own eyes use light in similar ways.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-711.gif?itok=x43RDsEk)
Personal Pinhole Theater
Source Institutions
Have you ever heard of a camera without a lens? In this activity, learners create a pinhole camera out of simple materials. They'll see the world in a whole new way: upside down and backwards!
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-117.jpg?itok=Yq5LvluE)
Mini Zoetrope
Source Institutions
In this activity (posted on March 27, 2011), learners follow the steps to construct a mini zoetrope, a device that produces an illusion of action from a rapid succession of static pictures.