Light's Disappearing Act.

Murphy, Richard S.; Kwasnoski, John B.

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Peer reviewed

ERIC Number: EJ315897

Record Type: CIJE

Publication Date: 1985

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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)

Descriptors: Earth Science, Laboratory Procedures, Light, Optics, Physical Sciences, Science Education, Science Equipment, Science Experiments, Science Instruction, Secondary Education, Secondary School Science

Publication Type: Journal Articles; Reports - Descriptive

Education Level: N/A

Audience: Teachers; Practitioners

Language: English

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