Tell students that they will combine two solutions in a particular way to make a single gel worm. The ingredients in the solution which react chemically are sodium alginate and calcium chloride. Both ...

now rich with sodium alginate, is gently dropped into a bath of calcium chloride. The calcium ions present in the solution react with the sodium alginate molecules, causing them to cross-link and ...

This activity can get messy; cover all work surfaces. This activity should be done either as a video or a demonstration with the audience at least 10 from the presenter(s). Divide calcium chloride ...

Note: The Ooho is made using sodium alginate and calcium chloride using a formula developed ... and transfer them to a water bath to stop the reaction. And there you have it!

Amiga Format and many others. To create small spheres, you will need two basic ingredients: sodium alginate and calcium chloride or calcium gluconate lactonate, depending on which type you try to ...