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Materials for Sound Barriers *

Difficulty
Time Required Average (6-10 days)
*Note: This is an abbreviated Project Idea, without notes to start your background research, a specific list of materials, or a procedure for how to do the experiment. You can identify abbreviated Project Ideas by the asterisk at the end of the title. If you want a Project Idea with full instructions, please pick one without an asterisk.

Abstract

What are the best materials to use for blocking out unwanted noise from the environment? You can build a test box (or test frame) around an audio speaker. Use a sound level meter to measure the speaker output. Use different materials to cover the walls of your test box (or frame), and see which materials do the best job at blocking the sound. For a more advanced project, perform your tests using different sound frequencies. Are some materials better at blocking certain frequencies than others? Which sound frequencies are most difficult to block? Why? (Boyd, 2004; Wandro, 2004)

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Science Buddies Staff. "Materials for Sound Barriers" Science Buddies. Science Buddies, 30 June 2014. Web. 18 Dec. 2014 <http://www.sciencebuddies.org/science-fair-projects/project_ideas/MatlSci_p033.shtml>

APA Style

Science Buddies Staff. (2014, June 30). Materials for Sound Barriers. Retrieved December 18, 2014 from http://www.sciencebuddies.org/science-fair-projects/project_ideas/MatlSci_p033.shtml

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Last edit date: 2014-06-30

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