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Discover how six essential areas of science affect our lives with the Science in Action DVD Series. This DVD defines types of mirrors and lenses and the different ways light is refracted and reflected from lighthouses to telescopes. Questions asked include: how do mirrors reflect? how do lenses work? how do lenses and mirrors differ in the way they deflect light? Learn the importance of lenses and mirrors in our everyday lives! Grades 5-9. 18 minutes on DVD.