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Summary
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For this science project you will need to develop your own experimental procedure. Use the information in the summary tab as a starting place. If you would like to discuss your ideas or need help troubleshooting, use the Ask An Expert forum. Our Experts won't do the work for you, but they will make suggestions and offer guidance if you come to them with specific questions.
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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)Bibliography
- Boyd, C.T., 2004. Sound Barrier, California State Science Fair Project Abstract. Retrieved April 26, 2006.
- Wandro, S.J., 2004. Sound Barriers, California State Science Fair Project Abstract. Retrieved April 26, 2006.
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Global Connections
The United Nations Sustainable Development Goals (UNSDGs) are a blueprint to achieve a better and more sustainable future for all.
This project explores topics key to Industry, Innovation and Infrastructure: Build resilient infrastructure, promote sustainable industrialization and foster innovation.
Careers
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What makes it possible to create high-technology objects like computers and sports gear? It's the materials inside those products. Materials scientists and engineers develop materials, like metals, ceramics, polymers, and composites, that other engineers need for their designs. Materials scientists and engineers think atomically (meaning they understand things at the nanoscale level), but they design microscopically (at the level of a microscope), and their materials are used macroscopically…
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If you turned on a faucet, used a bathroom, or visited a public space (like a road, a building, or a bridge) today, then you've used or visited a project that civil engineers helped to design and build. Civil engineers work to improve travel and commerce, provide people with safe drinking water and sanitation, and protect communities from earthquakes and floods. This important and ancient work is combined with a desire to make structures that are as beautiful and environmentally sound, as they…
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Career Profile
Do you dream of building big? Civil engineering technicians help build some of the largest structures in the world—from buildings, bridges, and dams to highways, airfields, and wastewater treatment facilities. Many of these construction projects are "public works," meaning they strengthen and benefit a community, state, or the nation.
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Cite This Page
General citation information is provided here. Be sure to check the formatting, including capitalization, for the method you are using and update your citation, as needed.MLA Style
Science Buddies Staff.
"Materials for Sound Barriers." Science Buddies,
23 June 2020,
https://www.sciencebuddies.org/science-fair-projects/project-ideas/MatlSci_p033/materials-science/materials-for-sound-barriers?class=AQV3KxwXGXWKspEDCpb4VTtGnqS9gZ6tYHoMCxgxPzKfYDWrsvIZHebbLS28pAkID5cBz2aUHe5GNhS0TdeGc7eQ.
Accessed 20 Apr. 2024.
APA Style
Science Buddies Staff.
(2020, June 23).
Materials for Sound Barriers.
Retrieved from
https://www.sciencebuddies.org/science-fair-projects/project-ideas/MatlSci_p033/materials-science/materials-for-sound-barriers?class=AQV3KxwXGXWKspEDCpb4VTtGnqS9gZ6tYHoMCxgxPzKfYDWrsvIZHebbLS28pAkID5cBz2aUHe5GNhS0TdeGc7eQ
Last edit date: 2020-06-23
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