Polymers – Making Fluorescent Worms
Polymers – Making Fluorescent Worms
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$33.00
$33.00
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.
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