PPT-The Nature of Sound

EQ What are the properties of sound 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. ioacascnrspsk200907t2009070822077html A sound source radiates power and this result in a sound pressure Sound power is the cause Sound pressure is the effect Consider the following analogy An electric heater ra diates heat into a room and temperatu Speed of a Wave on a String. What affects the speed of a . wave on a string?. The properties of the medium through which the wave travels determine the speed of the wave.. If the medium changes, the speed of the wave changes.. Ecology without Nature. Chapter 1. from the Introduction. The main theme of the book is given away in its title . Ecology without Nature argues that the very idea of "nature " which so many hold dear will have to wither away in an " ecological" state of human society. Strange as it may sound, the idea of nature is getting in the way of properly ecological forms of culture, philosophy, politics, and art.. Check last week’s homework. Sound Waves – some vocab. Each . cycle. of a sound wave includes one . condensation. and one . rarefaction. The . frequency. of the sound wave is the number of cycles per second that pass by a given location. Vocabulary Match. Directions: Match the words on the right to their correct definitions. 1. Form . of energy that you can hear and travels through matter as . waves. 2. Region . where the air pressure is lower than usual. Section 10.1 and 10.7. For a prize?. What does SONAR stand for?. SOund. . NAvigation. and Ranging. Echolocation. Using echoes to locate an object. Use a variety of frequencies (40 kHz – 130 kHz). What is a wave?. A wave is a repeating disturbance or movement that transfers energy through matter or space. Waves transfer energy not matter. The water waves below are carrying energy but are not moving. Waves can only exist as they have energy to carry.. by . Wilfred Owen. Possible interpretations of ‘Exposure’. Exposure . describes the . extreme weather . conditions which men were subjected to in the trenches and . what they also died . of. . A different type . Making the Gospel. . attractive. in Every Way. Titus 2:1-10. Are you a Theologian? Why not?. Christians must have a totally different mindset or . paradigm. than the ungodly.. Why live Godly. So that . 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.. 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. Wave. particles vibrate parallel to the direction of the motion of the wave. Terminology. Compressions. : areas where particles come closer together. Rarefactions: . regions where particles are further apart. For producing the most exclusive musical sound track you need to invest in the right hip hop samples and work on them most appropriately. You can’t build a soundtrack overnight but you need to work regularly in fetching the right hip hop samples which are most suitable for creating sound. For more details please visit: https://www.soundcrafting.com/ While ordering the most unique FL studio sound packs plus sound files you will have to search the best sound agency sites of product galleries. As a leading music producer you will need to look for the most exclusive sound buy options for creating the best musical albums. For more details please visit: https://www.soundcrafting.com/