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.
Cuemath
Cuemath: Convex Shapes
A comprehensive guide for learning all about convex shapes with definitions, examples, and practice questions.
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.
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.
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.
ClassFlow
Class Flow: What Is Light?
[Free Registration/Login Required] This flipchart reviews the characteristics of light and its properties. Students are given examples of reflection, refraction, and lens types. An assessment component is included.
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.
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.
PBS
Pbs Learning Media: Galileo's Telescope
The invention of the telescope helped change our understanding of the universe. This video segment adapted from NOVA looks at Galileo's contribution to this technology. [1:49]
Georgia State University
Georgia State University: Hyper Physics: Ray Diagrams for Mirrors
Provides a discussion of curved mirrors and ray diagrams. Shows and explains the process of drawing a ray diagram to determine the image location, size, and orientation.
Other
Geometric Optics
This site provides a very brief definition to geometric optics, and includes links to related information.
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