P034 - Separating inks: simple method
This practical activity
shows how to separate mixtures of liquids to investigate colour using ink in water based felt tip pens.
more..
P014 - Separating felt pen ink colours
The ink in water based felt tip pens consists of different pigments. This practical describes how to separate mixtures of liquids in order to investigate colour.
more..
P148 - Growing crystals with table salt
An activity that supports children to learn about dissolving, evaporation and crystal growth.
more..