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Innovating Science™ Polymers - Making Fluorescent Worms
Allow students to learn about polymers and cross-linking using this fun and colorful activity.
Supplier: Innovating Science™ IS7045
Alert:
WARNING: This product can expose you to chemicals including D&C Red No. 19, which is known to the State of California to cause cancer.
Requires : 3 Containers for calcium chloride solutions (such as beakers, glass jars, or plastictrays) Black light
Description
- 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
Specifications
| White | |
| 13 to 20 | |
| 1 |
| 7 to 14 | |
| 6 g Sodium Alginate, 1 L Calcium Chloride/0.1% Fluorescein, 0.1M, 1 L Calcium Chloride/0.04% Rhodamine B, 0.1M, 1 L Calcium Chloride/0.5% Quinine Sulfate, 0.1M, 3 Empty bottles with flip-top caps, 6 Forceps | |
| 7 x 7.25 x 12.375 in. |
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