BioEd Online
Bio Ed Online: Rainbow in the Room
Students investigate the properties of visible light and the sequence of colors in the spectrum using light shone through water and prisms. The lesson plan and accompanying slideshow can both be downloaded.
TeachEngineering
Teach Engineering: Do Different Colors Absorb Heat Better?
Students test whether the color of a material affects how much heat it absorbs. Students will place an ice cube in a box made of colored paper (one box per color; white, yellow, red and black), which they will place in the sun. The...
Science Buddies
Science Buddies: Leaves and Light
Leaves use sunlight to make food for the plant. Sunlight contains all of the colors of the rainbow, but are all of those colors used by the leaf? Can you find out if some colors of light are more important than others?
Science Education Resource Center at Carleton College
Serc: Mn Step: Why Is the Sky Blue?
Students will learn about refraction and the scattering of sunlight as it enters the atmosphere, which causes the colors in light to separate, giving us blue skies and colorful sunrises and sunsets.
University of Texas at Austin
The University of Texas Mc Donald Observatory: Color of Stars
Middle schoolers observe colors in the flame of a burning candle to explore connections between matter, light, color, and temperature, the basic concepts of matter and energy.