How can we make the texture just right?

Understanding and investigating mixtures by creating the base for a lip balm or hair gel.

11 14 Lesson2 Large

In this lesson

In this lesson students explore the properties of waxes and oils to create a mixture with the right ‘feel’ that could become the base for a hair styling wax or lip balm.

Students review their understanding of mixtures and then prepare a range of sample formulae by mixing a wax and oil of different molecular weights in different ratios.

Students compare samples and identify the optimum formulae, and then suggest how the mixture of molecular lengths and different shapes is providing the texture they most prefer.