Chloe,
this gentle activity about the planets accesses a range of Infants: Energy and forces >Light
- identify and name different colours
- sort objects into sets according to colour
- observe colours in the local environment at school, in the home, in the street, in animal and plant life
- explore dark and bright colours and become aware of different shades of colour
Studies have also shown gender difference in colour naming (see https://www.researchgate.net/publication/258831976_Gender_differences_in_colour_naming), so it would be interesting to see if your class can create new colour names : Mars Red or Saturn Yellow