Allow students to learn about polymers and cross-linking using this fun and colorful activity. Students add a solution of sodium alginate to three calcium chloride solutions, each containing a different fluorescent dye. After a few minutes the liquid sodium alginate solution forms into gel-like polymer "worms". Upon completion of the activity, the worms may be placed under a black light and the students will observe their worms glow red, blue, and green.

Contains enough material to make several dozen polymer worms.

Kit Includes:

1 x 6g Sodium Alginate
1 x 1L Calcium Chloride/0.1% Fluorescein, 0.1M
1 x 1L Calcium Chloride/0.04% Rhodamine B, 0.1M
1 x 1L Calcium Chloride/0.5% Quinine Sulfate, 0.1M
3 x Empty bottles w/Flip-Top Caps
6 x Forceps