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Project title Do sound barriers reduce noise? If so, what types of barrier is most effective?Featured science project
Difficulty Level Middle school
Main link Click here to view all details of this science project (Cached)  (View 3rd party site)

Description
The purpose of this experiment was to determine if a sound barrier does reduce noise, and which type of barrier is the most effective in reducing highway traffic noise. 

Materials
This idea is contained in a third-party website. To view the science fair projects, please click on the link above. Copyright in the third party website belongs to the relevant author. 

Brief Instructions
[Please see third-party website for instructions]
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