Investigate reflection, refraction, Holt Physics Ch. 12 Sound diffraction, and interference of sound 12.1 Sound Waves Vocabulary waves. 12.2 Sound Intensity and Compression, rarefaction, pitch, Resonance Doppler effect, intensity, decibel, Compare mechanical and 12.3 Harmonics resonance, fundamental frequency, harmonic series, timbre, beat electromagnetic waves. Practice Problems p. 415 Performance Tasks Determine the speed of sound Practice Problems p. 427 Why it Matters – Conceptual experimentally and describe the effects Challenge – Music from a Trumpet – Quick Lab – Resonance p. 418 Suppose you hear music being played various materials and temperatures on from a trumpet that is across the room sound. Quick Lab – A Pipe Closed at One End from you. Explain compressions and – p. 425 rarefactions as they relate to the sound Determine the speed of sound waves that reach your ear. Were the experimentally using various materials Graphing Calculator Practice p. 436 air particles that are vibrating near your and temperatures ear carried across the room by the Sound velocity: vs= f Sound velocity λ; Skills Practice Lab – Speed of Sound sound wave? How do you know? (using air temperature): vs= 331.5m/s pp. 440-441 Decibel Scale + (0.56 m/s oC) (T). Zero on the decibel scale does not Vernier Physics – Sound Waves and mean zero intensity or that there is no Compare the wave characteristics of Beats # 33 p. 33-1 sound but instead that the sound is natural auditory phenomena. inaudible. Using table 2 on p. 417 write a paragraph explain how the sound intensity of a subway compare Slinks: with that of a normal conversation. ( Science, Technology, Society – Sound Noise Pollution – Students will read Resonance the article on Noise Pollution and do Harmonics researching the issue #3. Acoustics
Investigate reflection, refraction, diffraction, and interference of sound waves. Compare mechanical and electromagnetic waves. Determine the speed of sound experimentally and describe the effects various materials and temperatures on sound. Determine the speed of sound experimentally using various materials and temperatures Sound velocity: vs= f λ; Sound velocity (using air temperature): vs= 331.5m/s + (0.56 m/s oC) (T). Compare the wave characteristics of natural auditory phenomena. Holt Physics Ch. 12 Sound 12.1 Sound Waves 12.2 Sound Intensity and Resonance 12.3 Harmonics Practice Problems p. 415 Practice Problems p. 427 Quick Lab – Resonance p. 418 Quick Lab – A Pipe Closed at One End – p. 425 Graphing Calculator Practice p. 436 Skills Practice Lab – Speed of Sound pp. 440-441 Vernier Physics – Sound Waves and Beats # 33 p. 33-1 Slinks: ( Sound Resonance Harmonics Acoustics Vocabulary Compression, rarefaction, pitch, Doppler effect, intensity, decibel, resonance, fundamental frequency, harmonic series, timbre, beat Performance Tasks Why it Matters – Conceptual Challenge – Music from a Trumpet – Suppose you hear music being played from a trumpet that is across the room from you. Explain compressions and rarefactions as they relate to the sound waves that reach your ear. Were the air particles that are vibrating near your ear carried across the room by the sound wave? How do you know? Decibel Scale Zero on the decibel scale does not mean zero intensity or that there is no sound but instead that the sound is inaudible. Using table 2 on p. 417 write a paragraph explain how the sound intensity of a subway compare with that of a normal conversation. Science, Technology, Society – Noise Pollution – Students will read the article on Noise Pollution and do researching the issue #3.
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