Station 2: Neonwater

You need:

  • 1 plastic cup
  • water
  • textmarker (pink, orange, green or yellow)
  • 1 UV-Lamp
  • black fabric

How to do it:

Fill the cup with water. Let flow some of the ink of the marker into the water.

Now get with the lamp and the cup under the fabric and light the cup with the lamp.

What do you observe?

A)The water appears in another colour than the original colour of the marker.

B)The water shines after a while without the lamp.

C)The water is shining.

D)The ink cumulates at bottom of the cup.