Magic Lantern Media

Shedding Light on Lenses (and the Eye)

This item is included in the following series/curriculum: The Shedding Light on Light series  

  • Grade Level: Junior High (7-9)
  • Subjects: Physics
  • Produced By: Liacos Educational Media
  • Year: 2014
  • Country: Australia
  • Language: English
  • Running Time: 56m
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Shedding Light on Lenses is the fourth video in the phenomenal Shedding Light series. Conveniently broken up into nine sections, Science teacher Spiro Liacos uses fantastic visuals and animations to explain how convex and concave lenses produce images in a wide variety of situations. After a quick recap on refraction, Spiro illustrates how magnifying glasses work and how projectors produce giant images on giant cinema screens. He then looks into, quite literally, a tuna fish's eye to show how our eyes work. After explaining how concave lenses produce images, he discusses how spectacles help people who have vision defects. The first bonus feature takes a fun look at slow motion, fast motion and stop motion, and the second bonus feature, aimed at more advanced students, covers the mathematics of lenses and image formation. The program comes with fantastic activity sheets which will help students to learn the content and to develop new skills in drawing ray diagrams.

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