Materials
· Four transparent bottles
· Water (3/4 cup of water in each bottle)
· Yellow highlighter
· Orange highlighter
· Pink highlighter
· Ultra Violet light flashlight
· Knife
· Dark room or place
· Water (3/4 cup of water in each bottle)
· Yellow highlighter
· Orange highlighter
· Pink highlighter
· Ultra Violet light flashlight
· Knife
· Dark room or place
Procedure
1. With a measuring cup, measure 3/4's of a cup of water and put that amount on each of the four bottles
2. Using the knife, cut the highlighter in half
3. Take the inky sponge from inside and put it in three of the bottles with water.
4. Close the bottles and shake them
5. Let them there for an hour
6. Take the sponge out of the bottles
7. Put them in a dark room and expose them to the UV light
8. Make observations each hour
2. Using the knife, cut the highlighter in half
3. Take the inky sponge from inside and put it in three of the bottles with water.
4. Close the bottles and shake them
5. Let them there for an hour
6. Take the sponge out of the bottles
7. Put them in a dark room and expose them to the UV light
8. Make observations each hour