![]() ![]() Make directional hypotheses that specify what happens to a dependent variable when an independent variable is manipulated. Planning and Carrying Out Investigations(Science and Engineering Practice 3.5).Developing and Using Models (Science and Engineering Practice 2.4)ĭevelop and/or use multiple types of models to provide mechanistic accounts and/or predict phenomena, and move flexibly between model types based on merits and limitations.Success with DeciBels, Phons, and Sones requires some degree of understanding or proficiency with respect to. Questions target a student's ability to identify and use the relationship between intensity and the deciBel rating, to read values from and to interpret a complex graph, to use data from two or more data presentations in order to compare two sounds, and to combine information from two or more data presentations in order to draw valid conclusions. Information is presented in the form of a table, a graph with several equal loudness curves and a figure representing the sone scale. The DeciBels, Phons, and Sones describes the relationship between sound intensity and the deciBel level, between the perceived loudness of a sound and its frequency and deciBel level, and the sone scale of loudness. You can access this information from this page. However, it may be considerably easier to have a printed copy of this information or to display the information in a separate browser window. This information is accessible by tapping on the small thumbnails found on the bottom right of every question. Like all our Science Reasoning Center activities, the completion of the DeciBels, Phons, and Sones activity requires that a student use provided information about a phenomenon, experiment, or data presentation to answer questions. Reasoning Center » Sound Waves » DeciBels, Phons, and Sones » About About DeciBels, Phons, and Sones
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