SandlotScience.com -This site contains a lot of really cool optical illusions. This site was rated as one of the top 50 for 1999 by Popular Science magazine!
Science Made Simple -This link will bring you to a site that closely examines the question "Why is the sky Blue?" Be sure to check out the great illustrations and activities that are included!
About Rainbows -This site provides answers to questions about one of the most spectacular light shows observed on earth.
Optics for Kids -Just about anything that you wanted to learn about light, lenses, or color is answered here.
The Stroop Effect -Sometimes our brain gets mixed messages. This activity is just like the one that we did in class. Click on the link for the interactive stroop test experiment in order to time just how fast it takes you to read a bank of color words written in colors that don't match the word.
Separating Colors using Chromatography - Did you enjoy the experiment that we did in class using paper towels to separate the many colors found in water-based markers? This site explains how to find the colors that are hidden in magic markers!