Science C09: What Do Lenses Do


Award-winning video and lesson investigations for young children on the topic of lenses

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Product Description

Video and lesson investigations on the topic of lenses. Key concepts include:

  • All lenses bend light. Convex lenses also focus light, causing magnification of objects viewed through them.
  • Different curves produce different magnification.
    Magnifying lenses have the effect of concentrating, or focusing light.
  • A strong lens has the effect of making objects seem larger or closer when viewed through it.
  • Lenses are used innumerous devices to help us to see objects more clearly such as reading glasses, distance glasses, contact lenses, microscopes, magnifiers and magnifying glasses, binoculars and telescopes.
  • Lenses are also used as devises to focus light images such as photograph cameras, film and video recording cameras, film and slide, and overhead projectors.


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