Visual Arts: making secondary colors
Science Experiments for kids: Super Cool Kids Science Experiment. Uses just a couple common household ingredients. This would be a fun afternoon science activity for kids.
Cómo meter el universo en un frasco de cristal. Manualidad para niños.
Over 50 rainbow activities and snacks, including rainbow crafts, rainbow science experiments, rainbow literacy activities, healthy rainbow snacks & desserts
25 Spectacular Explosions - So many really neat and FUN Science Experiments for Kids from preschool, kindergarten, to elementary age kids too (homeschool science)