Experiments with hydrogels - hair gel and disposable nappies

Description

In these activities students investigate hydrogels – polymeric smart materials. They are found in many products, including disposable nappies and hair gel. The practical is fun to do and the results dramatic.

Credits

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This is an experiment from the Practical Chemistry project, developed by the Nuffield Foundation and the Royal Society of Chemistry.
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A student worksheet to record experimental observations and explain new concepts

ADDITIONAL INFORMATION

This is a resource from the Practical Chemistry project, developed by the Nuffield Foundation and the Royal Society of Chemistry. This collection of over 200 practical activities demonstrates a wide range of chemical concepts and processes. Each activity contains comprehensive information for teachers and technicians, including full technical notes and step-by-step procedures. Practical Chemistry activities accompany Practical Physics and Practical Biology.

The experiment is also part of the Royal Society of Chemistry's Continuing Professional Development course: Chemistry for non-specialists