Search Results
Showing results 1 to 4 of 4
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-583.gif?itok=VBDtmxlp)
CD Spectroscope
Source Institutions
In this activity, learners use an old CD to construct a spectroscope, a device that separates light into its component colors.
![](/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-000-000-002-590.png?itok=vUnrXyXl)
How does the Atmosphere keep the Earth Warmer?
Source Institutions
In this activity, learners simulate the energy transfer between the earth and space by using the light from a desk lamp desk lamp with an incandescent bulb and a stack of glass plates.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-601.png?itok=uJt8Z79u)
What does Color have to do with Cooling?
Source Institutions
In this demonstration/experiment, learners discover that different colors and materials (metals, fabrics, paints) radiate different amounts of energy and therefore, cool at different rates.