Nylon was first used in toothbrush bristles for the Miracle Tuft Toothbrush. Before this, the world relied on toothbrush bristles made from the neck hairs of wild pigs from Siberia, Poland and China.
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Teaching strategies and resources to help learners master polymers and overcome misconceptions
Identify learning gaps and misconceptions with this set of worksheets offering three levels of support
Demonstrate the tubeless siphon with poly(ethylene glycol) and highlight the polymer’s viscoelasticity to your 11–16 learners
Use this lesson plan, presentation and student worksheet to recap collision theory, before going on to introduce the Maxwell–Boltzmann distribution.
Identify learning gaps and misconceptions with this set of worksheets offering three levels of support
Identify learning gaps and misconceptions with this set of worksheets offering three levels of support
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