Search Results
Showing results 1 to 3 of 3
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-351.jpg?itok=Yjqv9l8V)
Dark Adaptation
Source Institutions
In this activity (6th on the page), learners investigate how photoreceptors in the eye (rods and cones) "adapt" to low light conditions.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-344.gif?itok=lW3zoeqZ)
The Blind Spot
Source Institutions
In this activity (1st on the page), learners find their blind spot--the area on the retina without receptors that respond to light.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-713.gif?itok=pdhoFKYs)
Three Circles of Pigments
Source Institutions
In this activity, learners overlap the three primary colors to see how all other colors are made.