PPT-Properties of Sound

What are the properties of sound waves My Top 5 List of Unpleasant Sounds Record in your journal a top 5 list of sounds that are unpleasant to you What do you think causes a sound to be unpleasant. Section 8.5. Key Terms. Audible Sound Waves. Infrasonic Wave. Ultrasonic Wave. Echo. Mach Number (. M. ). Pressure (. p. ). Sound Intensity. Decibel (dB). Categories of Sound Waves. Sound waves fall into three categories covering different ranges of frequencies.. نيما خادمي کلانتري. Email: nimakhademi@aut.ac.ir. Properties (1). Inaudibility. Similarity between the original and watermarked signal. Robustness. Ability to detect the watermark after common signal processing and malicious attacks. Midterm 1 Feb 3. rd. and 4. th. . Midterm 2 March 9. th. and 10. th. Final April 20. th. and 21. st. Idea journal assignment is due on last day of class. Class Web Site. Is not on WebCT / Blackboard !!. Tine . Gulbrandsen. Wahab. . Hanif. . Pure Tones are Very Rare in Nature!. What are real sounds composed of?. Pure Tones are Very Rare in Nature!. What are real sounds composed of?. Virtually all sounds are composed of several (or many) frequencies all going at once. Comparing Wave Properties & Energy. Essential Standard. 6.P.1Understand the properties of waves and the wavelike property of energy in earthquakes, light and sound waves.. Clarifying Objective. 6.P .. Audible (. adj.) . able to be heard. Oscillate . (v.) . to sway from one side to another. Dissonance (. n.) . lack or harmony or consistency. Undulate (. v.) . to move in waves. SAT VOCAB TWO. Now that we are through with waves, we are moving onto the topic of sound. Sound waves are waves that are . Hand-write in your own words.. Do NOT mindlessly copy everything.. Listen to what is being said before writing.. Use a consistent writing utensil.. Develop a system of organizing thoughts.. Review notes regularly and focus on the key points.. An old riddle ….. If a tree falls in a forest, and no one hears it, does the tree make a sound?. What is “sound”?. Sound Waves. To a scientist, a tree makes a sound whether someone hears it or not.. Section 6.5 Beginning on page 327. Properties. Because logarithms are the inverse functions of the exponential functions, properties of logarithms are similar to properties of exponents. . Product Property:. Sound waves are longitudinal!. Sound can be explained by understanding:. Speed. Intensity. . and loudness. Frequency and pitch. Most people hear sound between the frequency of 20Hz and 20,000Hz. . Anatomy of Sound. True or False. 1. A . wave transports energy but not matter.. True or False. 2. As . the frequency of sound waves increases, the wavelength of the sound waves decreases.. True or False. 3. Sound . waves cannot travel through solids. REMINDER!. DON’T FORGET. TO . STUDY!. . Electromagnetic waves. Mechanical waves. Interference. Reflection. Refraction. Pitch. diagrams. 1. Define . the following words:. Crest . – . the highest part of a transverse wave.. Sound is a . longitudinal. . (Mechanical)wave caused by a . vibrating. object. Molecules . collide. , producing sound. Examples: . Vocal chords. , guitar or piano strings, tuning fork, etc.. . Longitudinal Wave. Intoduction. Salinity and . Chlorinity. . Temperature and . themal. properties of sea water . Colligative. and other properties of sea water . Residence time of constituents in sea water. Sea ice .