Have a practice of the laws of reflection here
Refraction
Video on refraction
Website - An awesome on line resource with junior level light worksheets and activities.
Colour
Show how white light can be split into different colours by a prism. This interactive also shows what happens to lights when different filters are placed over a torch.
How do different filters affect what colours we can see? Check your understanding with this flag game.
Mix some spotlights here
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