Preschool Science: Martin Luther King day

Most of my friends were surprised I was able to find science activities that could tie in with a Martin Luther King theme. After much research I found two listed below:1. Color mixingDecorate an old sheet by spraying different colors (food coloring and water) from a spray-bottle all over it.By mixing primary colors (red, blue, yellow) you find secondary colors (orange, green, brown, etc)Have the