Perform this ‘trick’ with a solution of decanedioyl dichloride in cyclohexane floated on an aqueous solution of 1,6-diaminohexane. As nylon forms at the interface, it can be pulled out as fast as it is produced forming a long thread: the ‘nylon rope’.
This practical is part of our Chemistry for non-specialists and Classic chemistry demonstrations collections.
Get students to compare the properties of glass and plastic polymers
Meet Katherine Curran, a chemist applying her polymer know-how to the conservation of plastic museum objects
A worksheet including three classroom activities to evaluate the role plastic plays in everyday life
Use this ‘wrong report’ activity to tackle common misconceptions and elicit discussion about surrounding controlled variables
Three engaging classroom games to familiarise learners with keywords for the transition metals topic, based on Jeopardy!, Articulate! and Taboo
A data analysis exercise for 11–14-year-old learners based on an experiment to measure how the amount of milk fat affects the viscosity of ice cream. Learners will draw graphs, describe trends in the data and identify variables
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