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Showing results 1 to 10 of 10
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CD Spinner
Source Institutions
In this activity, learners create a simple “top” from a CD, marble and bottle cap, and use it as a spinning platform for a variety of illusion-generating patterns.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-450.jpg?itok=V5Kc_BeL)
Bubble Tray
Source Institutions
In this activity, learners use simple materials to create giant bubbles.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-587.png?itok=MIgw6sRf)
Why are Compact Fluorescent Bulbs More Efficient?
Source Institutions
In this activity, learners explore the relative efficiency of different bulbs, specifically incandescent vs. fluorescent.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-261.jpg?itok=K8ieKQmZ)
Kaleidoscope
Source Institutions
In this activity, learners build inexpensive kaleidoscopes using transparency paper and foil (instead of mirrors).
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-227.png?itok=f8YLHh5J)
Eye Spy
Source Institutions
This fun activity uses simple materials such as milk cartons and mirrors to introduce the ideas of optics and visual perception.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-206.png?itok=qBg2rZ-H)
Up Periscope!
Source Institutions
This activity provides instructions for building a mirrored tube--a smaller and simpler version of a submarine's periscope--that lets you see around corners and over walls.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-373.jpg?itok=SzeOGboP)
Three Colors of Light
Source Institutions
Have fun with additive mixing! Observe what happens when the three primary colors of light--red, green and blue--are mixed together, resulting in white light.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-650.jpg?itok=P1LZ5QF-)
Kaleidoscope
Source Institutions
In this activity, learners investigate the reflective properties of light and mirrors as they make a kaleidoscope.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-667.jpg?itok=2gn-_vUy)
Build a Giant Puzzle!
Source Institutions
In this activity, learners assemble large cubes to make nano-related images. Learners discover how different objects are related to nanoscience and nanotechnology.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-294.png?itok=juOgmbpU)
Periscope
Source Institutions
In this optics activity, learners build a spy tool to secretly view things over walls or around corners.