Sound Quiz A. Which of the graphs represents the sound that has the lowest pitch? Question Prompt: 1 Total Points: 6
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1 Sound Quiz A Question Prompt: 1 During a laboratory investigation, Aaron used an oscilloscope to create graphs of sounds that he produced using tuning forks. Which of these four graphs represents the sound that has the lowest volume? Question Prompt: 2 Which of the graphs represents the sound that has the lowest pitch? 1/6
2 Question Prompt: 3 If you were conducting an experiment to determine the speed of sound through water, which of the following factors should you keep constant? The source of the sound. The amplitude of the sound. The loudness of the sound. The temperature of the water. Question Prompt: 4 According to the chart, which of the following statements about the speed of sound is true? 2/6
3 The frequency of a sound wave traveling through hydrogen is higher than the frequency of that wave traveling through helium. The amplitude of a sound wave traveling though helium is greater than the amplitude of that wave traveling though oxygen. The speed of a sound wave traveling through hydrogen is greater than the speed of that wave traveling through oxygen. The pitch of a sound wave traveling through oxygen is higher than the pitch of that wave traveling through hydrogen. Question Prompt: 5 Which of the following statements about what happens when a guitar is played is true? The strings of the guitar are compressed. Particles of air move away from the guitar in all directions. A longitudinal sound wave moves away from the guitar. Sound moves away from the guitar in a single direction. Question Prompt: 6 Which of these devices converts sound energy into electrical energy? telephone speaker digital alarm clock remote control Question Prompt: 7 3/6
4 What is the frequency of a wave that has a wavelength of 3 m and a speed of 18 m/s? 54 Hz 21 Hz 15 Hz 6 Hz Question Prompt: 8 Cletus wants to make ear protectors for people who work around loud jet engines at Hartsfield Airport in Atlanta. Which of the following materials should he experiment with for the best results? A material that amplifies sound. A material that absorbs sound. A material that transmits sound. A material that produces sound. Question Prompt: 9 The data in the chart was collected for sound waves traveling through water. If all other factors were the same, how far did the sound waves travel after 4 seconds? 5.0 km 5.5 km 6.0 km 6.5 km 4/6
5 Question Prompt: 10 You hear a single note played on a violin and the sound of a firecracker exploding. Why is one sound considered music while the other is considered noise? The violin produces a soft sound, but the firecracker produces a loud sound. The violin produces sound waves that travel in a single direction, but the firecracker produces sound waves that spread out in all directions. The violin produces a sound wave that has a repreating pattern, but the firecracker produces a complex sound wave that has no repeating pattern. The violin produces a sound wave that has a high frequency, but the firecracker produces a sound wave that has a low frequency. Question Prompt: 11 Jesse walked into a large, dark room and yelled "Hello!" She heard a loud echo of the word almost immediately. Which of the following is a valid conclusion that Jesse could draw from her observations? She produced sound waves that reflected off the walls of the room. She produced sound waves that created a sonic boom. She produced sound waves that destructively interfered with each other. She produced sound waves that demonstrated the Doppler Effect. Question Prompt: 12 Which statement best describes what happens in the inner ear? Electrical signals are interpreted. Sound waves enter the ear and are channeled through the ear canal. Sound waves are amplified by the hammer, anvil, and stirrup. Sound vibrations are turned into electrical signals. Question Prompt: 13 What is the relationship between wavelength and frequency? Wavelength and frequency are not related and do not affect each other. By increasing the wavelength, you increase the frequency. By decreasing the wavelength, you increase the frequency. By decreasing the wavelength, you decrease the frequency. Question Prompt: 14 Which of the following would work well in space? Guitar because it produces electromagnetic waves that need a medium to travel. 5/6
6 Guitar because it produces mechanical waves that do not need a medium to travel. Flashlight because it produces electromagnetic waves that do not need a medium to travel. Flashlight because it produces mechanical waves that need a medium to travel. Question Prompt: 15 Sometimes people at sports events do "the wave". Is this a real example of a wave? Yes! They are going up and down like a transverse wave. Maybe...It depends how many people are participating. No! Energy is not transferred from one person to another. Are the people yelling or quiet? Question Prompt: 16 Total Points: 10 A drum is struck gently, then its struck harder. What will be the difference in the amplitude of the sounds made? Be sure to explain your answer. 6/6
Copy #1 of 2015 Sound Unit Test
1 of 6 2/5/2015 11:15 AM Copy #1 of 2015 Sound Unit Test Question Prompt: 1 During a laboratory investigation, Aaron used an oscilloscope to create graphs of sounds that he produced using tuning forks.
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