Physics Classroom
The Physics Classroom: Reflection and Mirrors: Name That Image Interactive
Students participate in this skill-building activity where they explore how the location of an object in front of a curved mirror affects the characteristics of the projected image.
TeachEngineering
Teach Engineering: How Does a Light Sensor Work?
A mini-activity, which uses LEGO MINDSTORMS NXT intelligent bricks and light sensors gives students a chance to investigate how light sensors function in preparation for the associated activity involving the light sensors and taskbots.
TeachEngineering
Teach Engineering: Materials Properties Make a Difference
Students investigate the materials properties-such as acoustical absorptivity, light reflectivity, thermal conductivity, hardness, and water resistancea-of various materials. They use sound, light and temperature sensors to collect data...
TeachEngineering
Teach Engineering: Construct It!
Students use simple household materials, such as PVC piping and compact mirrors, to construct models of laser-based security systems. The protected object (a "mummified troll" or another treasure of your choosing) is placed "on display"...
Boston University
Bu: Optics: Geometric Optics
Several short descriptions of demonstrations which illustrate principles of geometric optics (many of which focus upon refraction).
Exploratorium
Exploratorium: Snacks
Exploratorium's snacks aren't edible, but they are good! Use your science skills to discover gravity, learn about biology, do fun experiments.