When giving a speech or presentation, it is important to plan your …
When giving a speech or presentation, it is important to plan your words according to audience and purpose. It is also important to focus on the sound of your voice and the different ways to use it. Afterall, who wants to listen to a monotone speaker drone on and on about a topic, even if the topic itself is interesting. This seminar will focus on vocal variation--the different sounds of your speaking voice and how to use them to effectively.
Students measure the wavelength of sounds and learn basic vocabulary associated with …
Students measure the wavelength of sounds and learn basic vocabulary associated with waves. As a class, they brainstorm the difference between two tuning forks and the sounds they produce. Then they come up with a way to measure that difference. Using a pipe in a graduated cylinder filled with water, students measure the wavelength of various tuning forks by finding the height the pipe must be held at to produce the loudest note. After calculating the wavelength and comparing it to the pitch of each tuning fork, students discover the relationship between wavelength and pitch.
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