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Dark Adaptation
University of WashingtonAdd to list DetailsIn this activity (6th on the page), learners investigate how photoreceptors in the eye (rods and cones) "adapt" to low light conditions. Learners sort similar bottle caps in a well-lit...
The Blind Spot
University of WashingtonAdd to list DetailsIn this activity (1st on the page), learners find their blind spot--the area on the retina without receptors that respond to light. Learners can draw their own blind spot testers, use the provided...
Color Spy
University of WashingtonAdd to list DetailsIn this activity (16th on the page), learners play a variation of the "I Spy" game to explore color. Learners work in teams with each team assigned a color. Learners are given 10 minutes...