纸层析
We need thick kitchen roll, felt pens, water.
Fold the kitchen roll using two layers.
Draw a dot on the paper.
We used brown and green color felt pens.
Using a knife to drop some water on the dots.
Wait for a few seconds, the result:The green dot is seperated to blue and yellow
the brown color is separated into orange and yellow, green color.
Lucy is trying her experiment.
