Chromatography

 

 

Chromatography.  That's a weird  name isn’t it?  But it’s science so that's what we’re talking about today.  Chromatography is something scientists can use to identify criminals by notes they left.  You can do Chromatography.

Experiment

 

You will need

4 different branded pens,4 pieces of either paper towel or thick paper and 4 cups.

 

 

Directions : 1.  Fill the cups with water.

                  2.  Color a circle of ink on each of paper towel. Make

sure to put a different branded pen on each piece  of paper towel.  3.  Dip the pieces of paper towel into the cups of water with the pen side up.    What happens.       

 

The water starts to creep up the paper towel and the ink separates into several different colors!

here's something about Chromatography.