Optical Society
Optical Society of America: Optics for Kids: Mirrors and Images
An experiment to investigate how many images appear as the angle between two hinged mirrors is increased. Accompanied by an explanation of what is happening, questions for students to consider, and a link to an article about reflection.
ClassFlow
Class Flow: How We See Things
[Free Registration/Login Required] In this unit children learn that mirrors and shiny surfaces alter the direction in which light travels and that when they see objects light enters the eye. Children contrast reflection and shadow...
University of Maryland
Optics Highlights: The Telescope
Part of an anecdotal history of optics and the study of light. Extremely thorough treatment of the invention of the telescope. Includes a short biographical sketch and discusses the work of Isaac Newton which focuses on his contribution...
Exploratorium
Exploratorium: Science Snacks: Water Sphere Lens
Demonstrate for students how a round bowl of water can act as both a magnifier and a lens.
Texas Instruments
Texas Instruments: Finding the Shortest Path
Students discover the shortest distance light travels from an object to the human eye, as the light from the object reflects off a single mirror. In the process they learn about reflection in a line, congruent angles, angle bisectors,...