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Polymer Activity: In this experiment, we are going to take a natural polymer (the latex in PVA, a type of white glue) and add borax to form crosslinks which will make the glue stronger. Check out the crazy putty experiment for instructions on this activity.
polymers are manufactured using chemical reactions that join lots of small molecules together to make long molecules. For example, polycarbonate is a synthetic polymer used to make the...
Teach kids what chemical reactions and polymers are with helpful tips, science project ideas, and a free printable worksheet.
In this activity, students use potato starch to produce a plastic. Three versions of the method are offered: a non-lab version that can be carried out in a range of contexts, a simple lab-based version using household ingredients and the original experiment using dilute hydrochloric acid and sodium hydroxide.
Rubber comes from a very natural source—a plant! Before it can be used though, it has to be processed (learn more about that below). So what makes a polymer a polymer? The Greek word poly means “many” and the suffix mer means “parts,” so very simply, a polymer is a group or chain of many of the same “parts” or molecules connected together.
A polymer is a long chain of molecules that look something like strands of cooked spaghetti. With a polymer colloid, the suspended particles are long polymer strands. If the polymer chains slide past each other easily, then the substance acts like a liquid, because the molecules flow.
Polymers are made from monomers in one of two ways: by chain, or addition, polymerization or by condensation polymerization. In chain polymerization, monomers are dissolved in a solvent that is later removed. The monomers quickly combine by an addition reaction without losing any atoms, so that the polymer has the same basic formula as the monomer.
