ERIC Number: EJ315897
Record Type: CIJE
Publication Date: 1985
Reference Count: 0
Light's Disappearing Act.
Murphy, Richard S.; Kwasnoski, John B.
Science Teacher, v52 n3 p26-28 Mar 1985
With an aquarium and a few tools, a simple apparatus to quantitatively illustrate absorption rates of light passing through fresh, salt, and other waters (such as distilled water) can be constructed. Students learn that extinction rates are different and that the intensity/depth relationship is exponential. (DH)
Publication Type: Journal Articles; Reports - Descriptive
Education Level: N/A
Audience: Teachers; Practitioners
Authoring Institution: N/A