 | Project title | Material density and the transmission of sound  |
| Difficulty Level | High school | |
| Project page | Click here to view this science project | |
Description | ||
| This science fair project was performed to ascertain how the density of a particular type of material affects the amount of sound transmitted through the material. The science fair project involved comparing the sound transmission characteristics of plywood, bakelite, glass and marble | ||
Instructions preview | ||
| 1. For this science fair project, the independent variable is the type of medium used as a sound barrier. The dependent variable is the noise level outside the box, measured using a decibel meter. The constants (control variables) are the size of the plywood box, the sound source and the distance of the decibel meter from the box. 2. Have a carpenter assemble the plywood box for you. For this science project experiment, the size of 300mm x 300mm x 300mm is proposed but other alternative dimensions may be used. The top cover of the box should be removable, ..... | ||
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