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WorksheetsPropagation of Sound
Total questions: 25
Worksheet time: 15mins
Write True if the statement is correct. Change the underlined word if not.
Sounds travel in transverse waves.
(a)
It is the bouncing off of sound waves on some surfaces.
Vibration
Reflection
Refraction
Echolocation
It is the bending of sound waves because of their difference in speed.
Vibration
Reflection
Refraction
Echolocation
It is a system that some animals use in order to find food.
Vibration
Reflection
Refraction
Echolocation
It is the back and forth movement of the particles in a medium.
Vibration
Reflection
Refraction
Echolocation
Write True if the statement is correct. Change the underlined word if not.
In echolocation, the position of an object affects the time the sound wave will reflect to you.
(a)
Which of the following can produce sound when wind or air is struck or applied?
A Flute
The Hanging Chimes
A Light Bell
A Heavy and Unmovable Box
These are sound waves with frequencies that are higher than 20000 Hz.
Pitch
Intensity
Infrasonic Waves
Ultrasonic Waves
It is corresponded as the highness or lowness of the sound.
Pitch
Intensity
Infrasonic Waves
Ultrasonic Waves
These are sound waves with frequencies that are lower than 20 Hz.
Pitch
Intensity
Infrasonic Waves
Ultrasonic Waves
It is referred as the loudness of a sound in decibels.
Pitch
Intensity
Infrasonic Waves
Ultrasonic Waves
Write True if the statement is correct. Change the underlined word if not.
The Intensity is based on the frequency of a wave.
(a)
Which of the following sounds can be perceived by the human ear?
A 120000 Hz bat echolocation
14 Hz communication of elephants
A 40 Hz whisper from your friend
10000 Hz meow from a car
Sound Propagates the slowest in _________.
Solids
Liquids
Gasses
Plasmas
What is the range of frequency that human ears could perceive?
20 Hz to 20000 Hz
200 Hz to 20000 Hz
20 Hz to 2000 Hz
2 Hz to 20000 Hz
It is a factor that affects the speed of sound wherein it is a property of a material to change in shape when it deforms then returns to its original state after the deforming force is diminished.
Density
Elasticity
Temperature
Volume
It is a factor that affects the speed of sound wherein the sound travels faster in hot reservoirs than in cold reservoirs.
Density
Elasticity
Temperature
Volume
It is a factor that affects the speed of sound wherein it states that sound travels in objects with more measure of mass per volume.
Density
Elasticity
Temperature
Volume
Write True if the statement is correct. Change the underlined word if not.
The speed increases by about 0.6 m/s for every increase of 2 degree Celsius in the temperature.
(a)
Which objects does sound travel faster than water?
Metal pipes
Wooden Baskets
Nitrogen
Carbon Dioxide
Answer the following problem using the speed of 331 m/s in 0 degrees.
What is the speed of sound in a temperature of 34°C?
331.6 m/s
365 m/s
351.4 m/s
345.1 m/s
Answer the following problem using the speed of 331 m/s in 0 degrees.
What is the speed of sound in a room temperature? (20 degree Celsius)
343 m/s
351 m/s
346 m/s
350 m/s
Answer the following problem using the speed of 331 m/s in 0 degrees.
America's highest temperature recorded is 134 degrees Fahrenheit. What is the speed of sound during that time?
351 m/s
365 m/s
372 m/s
359 m/s
Answer the following problem using the speed of 331 m/s in 0 degrees and - 273 in order to convert to Celsius.
Yesterday, Anna noticed that the temperature was 289 K. today, it was decreased by 11 K. What is the speed of sound today as recorded by Anna?
337.6 m/s
331 m/s
339.5 m/s
334 m/s
Answer the following problem using the speed of 331 m/s in 0 degrees.
What is the temperature when the speed of sound is 298 m/s?
-33 °C
33 °C
-55 °C
55 °C
