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Light and colour
Shadows, mirrors, rainbows, why the sky is blue and what colour really is. Three ages, each with a text, an experiment, a game, a quiz, a printable worksheet and a teacher sheet.
Ages 6–7Light and shadowsWhere light comes from, how we see, why shadows appear, and the rainbow hiding in sunlight. With a shadow-puppet experiment.Ages 10–11Light and colour: mirrors, rainbows and a blue skyHow light travels, how mirrors reflect, how white light splits into colours, what gives objects their colour, and why the sky is blue. With a make-a-rainbow experiment.Ages 15–16Light: rays, reflection, dispersion and the electromagnetic spectrumLight as an electromagnetic wave, c = f·λ, the law of reflection, why prisms and raindrops make spectra, colour, and scattering. With a law-of-reflection experiment.