This cut and paste activity assists students to sort the various developments of the model of the atom. Students arrange the Date, Key Scientist, Nationality, Atomic modell, image and description. Students work in teams of 3-4 to cut and arrange the squares into columns on A3 which show the developing understanding of the model fo the atom. It is useful as a formative assessment of learning once the models have been discussed in detail over a number of lessons. Teacher can assess the retention