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Showing results 1 to 8 of 8
Polarized Light
Source Institutions
In this optics activity, learners experiment with polarizers (small dark rectangles) to examine light intensity.
![](/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.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-974.gif?itok=nnPJjI3C)
Views From Windows
Source Institutions
In this activity, learners use their imaginations and picture a scene in their heads.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-733.jpg?itok=iQah1dCV)
Pupil
Source Institutions
In this activity, learners explore their eye pupils and how they change.
![](/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-000-000-004-509.png?itok=B-jqFCWJ)
Globe at Night
Source Institutions
In this international citizen science activity, learners measure their night sky brightness and submit their observations into an online database.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-263.jpg?itok=jRKPPykT)
Observing the Moon
Source Institutions
Use this Moon Map Guide to help learners identify features on the Moon, while looking through a telescope.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-939.jpg?itok=hQ2cZ1LG)
Heavy or Light
Source Institutions
In this activity, learners explore a scale by comparing objects, which look similar but have different weights. Learners predict and then measure the weights of various objects using a scale.