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Article: Can you hear them now? Investigating radio waves.
- Article from:
- Science Activities
- Article date:
- September 22, 2006
- Author:
CopyrightCOPYRIGHT 2006 Heldref Publications. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Abstract. This article presents a description of a five-step (5E) learning cycle lesson designed to engage students in the study of electromagnetic radiation in the form of radio waves. Students collect data on the strength and distance of radio waves heard during the day and after sunset. They then compile and analyze these sets of data and relate radio wave travel to concepts of electromagnetic radiation and interaction with the Earth's ionosphere. Students design and conduct further investigations of variables that may affect the travel or reception of radio waves. This lesson fosters student inquiry, engages students in using technology, and emphasizes working ...