This guide contains color and light activities using lenses, prisms and mirrors to create telescopes, periscopes, microscopes and kaleidoscopes. Other activities include finding focal length and understanding reflection, refraction and diffraction. Activities are marked by age level.
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Good, thorough material, as you would expect from NASA. I am not sure how much it adds to a more standard textbook (for UK school use).<br /> I am going to try the water drop magnifier.
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