1 which of the following factors does the speed of sound depend a density b elasticity c temper

1. The speed of sound depends on density, elasticity, and temperature. So the answer is D. all o

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1. Which of the following factors does the speed of sound depend on? A. density B. elasticity C. temperature D. all of the above 2. An echo occurs when a sound wave is _. A. absorbed B. reflected C. refracted D. transmitted 3. What happens to the speed of sound as the temperature increases? A. constant B. decreases C. increases D. cannot be determined 4. Which phenomenon explains why sound is heard at longer distances at night than during the day? A. echolocation B. reflection C. refraction D. reverberation 5. How fast does sound travel if the air temperature is 20°C? A. 334 m/s B. 340 m/s C. 343 m/s D. 345 m/s 6. When the direction of a wave changes as it passes from one medium to another, it is called _______. A. density B. echo C. reflection D. refraction 7. What happens to the speed of sound when it travels in warmer objects? A. constant B. faster C. slower D. cannot be determined 8. What is the relationship of temperature to the speed of sound? A. equal B. no relationship C. directly proportional D. inversely proportional 9. Sound travels faster through warm materials than cold materials because_. A. warm particles move slowly B. gas particles are packed tightly C. warm particles are moving quickly D. sound does not travel faster through a warm substance 10. Ships use echolocation to measure the_. A. size of fish B. area of ocean C. depth of water D. density of water

          1. Which of the following factors does the speed of sound depend on? A. density B. elasticity C. temperature D. all of the above
    2. An echo occurs when a sound wave is _. A. absorbed B. reflected C. refracted D. transmitted
    3. What happens to the speed of sound as the temperature increases? A. constant B. decreases C. increases D. cannot be determined
    4. Which phenomenon explains why sound is heard at longer distances at night than during the day? A. echolocation B. reflection C. refraction D. reverberation
    5. How fast does sound travel if the air temperature is 20°C? A. 334 m/s B. 340 m/s C. 343 m/s D. 345 m/s
    6. When the direction of a wave changes as it passes from one medium to another, it is called ___________. A. density B. echo C. reflection D. refraction
    7. What happens to the speed of sound when it travels in warmer objects? A. constant B. faster C. slower D. cannot be determined
    8. What is the relationship of temperature to the speed of sound? A. equal B. no relationship C. directly proportional D. inversely proportional
    9. Sound travels faster through warm materials than cold materials because_______. A. warm particles move slowly B. gas particles are packed tightly C. warm particles are moving quickly D. sound does not travel faster through a warm substance
    10. Ships use echolocation to measure the___. A. size of fish B. area of ocean C. depth of water D. density of water

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