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The top documents tagged [lower pitch slide]
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lower pitch slide
Sound. What makes sound? vibrations How do brass instruments like a trumpet or tuba produce sound? Vibrating air.
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Copyright 2009, John Wiley & Sons, Inc. Chapter 23: The Respiratory System.
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Sound and Light CHAPTER 15. All sound waves Are caused by vibrations.
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Sound: Amplitude & Pitch Essential Question: How are sound waves affected by changes in amplitude and pitch?
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Agenda Read Unit 8 Distance to galaxies (review) Redshift Hubble’s Law The Big Bang.
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Respiratory System Why is our respiratory system so important? We require oxygen for cell growth and repair. The four functions of the respiratory.
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