Download Music (Experimenting With Everyday Science) by Stephen M. Tomecek PDF

By Stephen M. Tomecek

From the track that thumps via a listener's headphones to the traces of an orchestra funing up for a functionality, technological know-how performs an essential function in how we listen and create tune. tune examines what song is and the way clinical rules support keep watch over the way it is made, and likewise delves into the histories and workings of alternative different types of musical tools. discover the roots of contemporary techno tune, discover who invented the 1st synthesizer, and become aware of how smooth electronics have replaced the best way track is made. Hands-on actions let a better inspect issues akin to how the stress in a drum head is helping keep watch over the pitch and the way opera singers can holiday glass with in simple terms their voices. Experimenting with daily technological know-how investigates the technology at paintings in our day-by-day lives. every one publication within the set presents historic historical past and the way issues paintings motives that conceal earth technology, biology, chemistry, and/or physics themes. to construct on those rules and make clinical techniques clearer, each one publication additionally positive factors a minimum of 25 hands-on, illustrated experiments that readers can do utilizing easy fabrics discovered at domestic or institution.

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Early Music Makers What’s Going On? Many physical properties affect the sound that a piece of wood will make. These include the type of wood, its overall density, and how dry it is. in this experiment, you tested some of these variables by selecting a single piece of wood and cutting it into similar lengths. The wood that was soaked in the bucket was saturated with water. When it was struck, it vibrated poorly and made a dull sound. That’s because the water in the wood cells absorbed some of the vibrations.

As the sound wave moves inside the tube, it goes all the way to the bottom and returns to the top. This doubles the length of the wave, which cuts the frequency of the vibrations in half. The note produced will be one octave lower than the note produced in the open tube. Covering the bottom of the tube has the same effect as doubling the length of the tube. Our Findings Analysis 1. The sound made with the closed straw should have been lower than the sound made with the open straw. The closed straw should produce a note that is one octave lower than the open straw.

Look in a mirror and observe the shape of your lips when you whistle high-pitched notes and low-pitched notes. See if you can find a pattern between the shape of your lips and the pitch of the note you whistle. Data Table 1 Sound Low-pitched click High-pitched click Low-pitched whistle High-pitched whistle Shape of Mouth or Lips Early Music Makers Analysis 1. How did the shape of your mouth change to produce high- and low-pitched clicks? 2. When you whistle, what part of your mouth creates the vibrations?

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