Science experiments, ideas and projects for kids from simple craft materials. Helping students to have fun from a cool range of hands on activites and free printables. Grouped into biology, chemistry, physics and geology for various age groups from primary to high school.
How to separate colors
Believe in or not these colors came from a black texta. The black color from this pen is not pure and is made up various colors including aqua blue-green, olive green, blue, pink, orange and yellow.
The black mixture from the pen is separated by a simple technique called paper chromatography into its pure colors.