world. However‚ there is also a flip side. Growing industry‚ an increasing number of vehicles and constant information overload causes a significant and underestimated problem – noise pollution. The term‚ noise pollution‚ is used to define unwanted sounds that are released into the environment. Various research studies have proven that noise pollution imposes a number of negative impacts on human mental and physical health. To understand the reasons behind their health conditions‚ people should consider
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Review Waves‚ Sound and Light Waves- What are Waves? 1. 1 .The substance that a move through is called a medium. 2. True or False: Particles are squeezed together during rarefactions. 3. True or False: Waves that require a medium through which to travel are called electromagnetic waves. 4. True or False: The matter in the medium moves perpendicular to a transverse wave. 5. What medium is often used to transfer computer information? Optic Fibers 6. 6 .A sound wave is made
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had to listen to three different types of music; there was a lullaby sang by the child’s parents‚ an ocean disk‚ and a round instrument‚ the gato box‚ mimicking the sound that a baby hears inside the womb. It was found that all three of the sounds lowered the babies’ heart rates‚ however‚ the parents singing was most effective. The sound of the parents singing also increased the amount of time the babies were quiet and alert. The ocean disk helped put the baby to sleep and the gato box helped improve
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One of the most fascinating instruments is the piano; with the piano you can get a wide range of sounds and notes. Since I was little the piano has been a part of my life‚ was the only instrument that I enjoyed learning how to play‚ I had different choices‚ I started with the guitar and did not like it at all‚ that was something that did not happened with the piano‚ I used to play for hours and hours everyday. I can sit on my living room and listen to CD’s of Andrea Bocelli‚ Raul Di Blasio‚ all day
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underlying the music (重拍strong-weak‚ strong-weak-weak……) Meter(韻律): the regular grouping of beats (對應beats: duple‚ triple‚ quadruple‚ compound) Pitch – general concepts Pitch(音調): quality of highness or lowness of sound(high or low) Interval(音程): distance between two pitches (幾度) Scale(音階): ordered arrangement of pitches Tuning(曲調): pitches to which an instrument is set Pitch – horizontal view Melody (旋律) Tune(調): a simple‚ singable melody Phrase(樂句): a section
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| SCIENCE - FORM 2 | | The World Through Our Senses | | SENSORY ORGANS AND THEIR FUNCTIONS 1. Sensory organs are used to detect every changes in the environment. (a) Sensory organs are possessed by human and all animals. (b) Sensory organs allow the body to respond to the stimuli surroundings. Stimuli from the surroundings. Stimuli are changes that happen in the environment. (c) Sensory organs have receptors that receive the stimuli and then‚ send them as impulses to the
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wave. a. longitudinal b. sound c. standing d. transverse Answer: A In longitudinal waves‚ particles of the medium vibrate to and from in a direction parallel to the direction of energy transport. If energy is transmitted along a medium from the east end to the west end‚ then particles of the medium would vibrate eastward and westward A sound wave is a longitudinal wave but not the answer since a wave which exhibits this characteristic is not necessarily a sound wave. 3. When the particles
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that men‚ unlike animals‚ somehow invented certain sounds to express thoughts and feelings‚ actions and things. So that they could communicate them to each other; and that‚ later‚ they agreed upon certain signs‚ called letters‚ which could be combined to represent those sounds‚ and which could be written down. These sounds‚ whether spoken‚ or written in letters‚ we call words. A word‚ then‚ is simply a sound‚ or the written sign of a sound‚ which men of any particular nation have agreed shall
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finished‚ our coffee maker’s beeping creates pressure changes‚ which move away from the machine and radiate to the individual’s location across the room. The waves reach the outer ear‚ which contains structures known as the pinnae‚ angled such that sound waves bounce off them and resonate. They enter the auditory canal after being significantly amplified before reaching the tympanic membrane. The waves strike the membrane and cause it to vibrate‚ which subsequently transmits them to the middle ear
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emotional experience How musical sound and sound machines work. Listening to music—a physical reaction to disturbance in our environment A sound machine creates a vibration and creates sound waves and processed by inner ear and converted into electrical signals and transported by neurons and primary auditory cortex in the center of the brain and increased dopamine = Mood enhancement Low pitched sounds vibrate slowly High pitched sounds vibrate rapidly Musical sounds tend to be regular in their vibration
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