Amaze your kids with this surprisingly difficult activity. The stroop test requires you to say the word or colour of text whilst ignoring the colour of the font. Included in this ppt are three variants in the stroop test. Great idea for a settler, starter, or plenary if you have been looking at prisms and rainbows. Stroop, light, eyes, diffraction, colour,

A quirky resource for pupils to peer assess, involves some numeracy as pupils have to work with percentages. Includes templates for 3,4,5,and 6 pupil groups. Suitable for a wide range of activities.