Curated OER
The Shadow Knows - Creating Shadows
Young learners recognize a shadow and witness how shadows occur when light is blocked. They access streamed video, standard video, and websites in order to engage in their study of how light is naturally blocked to create shadows. An...
Encyclopedia of Earth
Encyclopedia of Earth: Health Effects of Light Pollution
Article discusses the impact of light pollution on the health of human beings as well as on plants and wildlife. (Updated July 18, 2012)
American Institute of Biological Sciences
Action Bioscience: Light Pollution and Ecosystems
This article and the resources it provides explains how artificial outdoor lighting wreaks havoc on wildlife.
CK-12 Foundation
Ck 12: Physical Science: Artificial Light
[Free Registration/Login may be required to access all resource tools.] What artificial light is and five different types, and how each type produces visible light.