Optical Society
Optical Society of America: Optics for Kids: Lenses and Geometrical Optics
Article explaining what lenses are and how they work. At the end of the article, there are links to several hands-on activities for investigating lenses.
BBC
Bbc: Gcse Bitesize: Lenses
Lenses are precisely shaped pieces of glass that have been developed and used in corrective glasses, telescopes, microscopes, binoculars, and magnifying glasses. They can be convex or concave. Links are provided to a video an a test.
CK-12 Foundation
Ck 12: Concave and Convex Lenses
[Free Registration/Login may be required to access all resource tools.] Students describe and predict image formation as a consequence of refraction through a thin convex lens.
My Science Site
Mirrors, Lenses and Your Eyes
This resource explores the science behind light and how mirrors reflect it. Also contains information on lenses both convex and concave.
Physics Classroom
The Physics Classroom: Image Formation by Lenses
This lesson explains what lenses are, the different between a converging and diverging lens, the difference between a double convex and double concave lens, and gives definitions for terms related to lenses.
Optical Society
Optical Society of America: Optics for Kids: Lens Activity
An investigation into how lenses behave. Students explore using convex and concave lenses in various ways and record their observations. They are then are directed to another site to try activities where they can manipulate virtual lenses.
Optical Society
Optical Society of America: Optics for Kids: Shimmering Lenses
An experiment using Jell-O to create lenses, to see how light behaves with flat, concave, and convex lens surfaces. With an explanation of what is observed, and a link to an informative article on lenses.
Ducksters
Ducksters: Physics for Kids: Lenses and Light
Kids learn about lenses and light in the science of physics including concave, convex, converging, diverging, focal point, meniscus, and Plano lenses.
CK-12 Foundation
Ck 12: Physical Science: Lens
[Free Registration/Login may be required to access all resource tools.] What a lens is and what it does, concave and convex lenses.
Georgia State University
Georgia State University: Hyper Physics: Mirror Instruments
This site from Georgia State University discusses the means by which mirrors and lenses are combined to produce an optical instrument which accomplishes a specific purpose. Good illustrations.
Physics Classroom
The Physics Classroom: Refraction and the Ray Model of Light: Anatomy of a Lens
Illustrated diagrams in this tutorial help students understand the properties and functions of lenses.
Michigan Reach Out
Making a Water Lens
This site provides a basic experiment that shows how a lens works. This lesson plan explains nearsightedness and farsightedness. It also explains concave and convex lenses.
Georgia State University
Georgia State University: Hyper Physics: Thin Lens Equation
This is an informative site from Georgia State University. It gives a discussion of the thin lens equation and an illustration of its use in determining the image distance based upon the object distance and the focal length.
ClassFlow
Class Flow: Introduction to Light
[Free Registration/Login Required] This flipchart introduces fifth graders to the science of light. Principles such as transparent, translucent, opaque, reflection, and refraction are covered. Concave and convex mirrors and lenses are...
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