Make terrific, colorific wormy gel and introduce chemical changes in elementary grades. Make a calcium chloride solution squirt in a little sodium alginate solution and pull up beautiful gels. Add lemon juice or baking soda to the alginate solution and the red cabbage juice indicator will change colors and you can make different colored "worms".

Science Magic Using
Cub Scouts’ Favorite Colors!
Play, explore, experiment and learn about magnetic forces, chemical solutions, color changing markers, sun paint, solar beads and light spectrum.
Great for demonstrations, groups activities and individual science projects!

Make leuco-indigo solution and learn about reduction-oxidation vat dyeing

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Make these colorful solutions and measure pH with our new powdered red cabbage extract and pH chart.

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Which will disappear quicker:

(a) disappearing ink on a paper towel over a carbonated beverage or (b) disappearing ink on a paper towel over water?

Disappearing Ink is really a thymolphthalein solution and is an acid-base indicator. It is a fun "chemical toy" and great for tricks, inquiry and many experiments. It is part of the Patriotic Colors Chemistry Experiment Kit and is also available as a Chemistry Bit.