Lesson Plan: Convex Lenses | Nagwa Lesson Plan: Convex Lenses | Nagwa

Lesson Plan: Convex Lenses Science • Third Year of Preparatory School

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This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to identify the optical properties of convex lenses.


Students will be able to

  • describe what a lens is,
  • describe what a convex lens is,
  • identify the optical axis of a convex lens,
  • identify the center of curvature of a lens,
  • describe what is meant by the term converging,
  • identify the radius of curvature of the lens,
  • recall that the focal length of a lens is the distance between the center of the lens and its focal point.


Students should already be familiar with

  • the idea that light travels in straight lines,
  • the refraction of light at the boundary between two media.


Students will not cover

  • monoconvex lenses,
  • concave lenses,
  • mirrors,
  • the rules for drawing ray diagrams,
  • Snell’s law,
  • the refractive index,
  • total internal reflection,
  • wavefronts,
  • the Huygens wavefront model,
  • the lensmaker’s equation,
  • aberration.

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