Use these selected websites for students to explore as part of their physical science investigation.

The School District of Philadelphia

NASA Science for Kids
NASA provides this site for students. It contains information on many topics related to the elecromagnetic spectrum including wavelengths and different types of waves.

Optics for Teens
This site offers career information, online optical illusions, and interactive optics laboratory simulations.

Edison Invents!
Thomas Alva Edison invented important light technologies. This site offers information and activities for students to explore his life and achievements.

Light: A Learning Unit
Explore the science, technology, math, and history of lighting. | © 2006 The Franklin Institute - All rights reserved.