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WorksheetsScience 8 Q1 M4: Effect of Temperature to the Speed of Sound
Total questions: 15
Worksheet time: 15mins
Which of the following is true about the effect of air temperature on the speed of sound?
The lower the temperature the faster the speed.
The higher the temperature the faster the speed.
The higher the temperature the slower the speed.
The temperature does not affect the speed of sound.
What is the speed of sound in dry air at 0 degree Celsius?
31 m/s
331 m/s
3000 m/s
300000 m/s
How much is the increase in the speed of sound in the air for every 1C0 increase in temperature?
0.06 m/s
0.6 m/s
6 m/s
60 m/s
Which of the following statements is true about the speed of sound?
Sound travels faster in dry air than in wet air.
Molecules move faster so sound travels faster in warmer air.
Sound travels at a constant speed even if air temperature changes.
When comparing two media with the same phase, the sound will travel faster in a denser material.
Which factor does not affect the speed of sound?
density
distance
elasticity
temperature
Which wave property is observed when a boy shouts and hears his own voice inside the church?
reflection
refraction
echolocation
both reflection and refraction
Which of the following describes refraction?
turning back of waves
meeting of sound waves
bending of waves around edges of barriers
changing the speed and direction of waves
Which room temperature of air does sound travel faster?
20 oC
23 oC
25 oC
28 oC
Which of the following explains why echo is heard in an empty gym?
Sound travels in waves.
Sound is unpredictable.
Sound has nowhere to go.
There are only hard surfaces so sound only reflects.
A sound wave travels through the air and hits a glass of water. Which of the following happens when the sound wave moves from the air into the glass?
It gets louder.
It gets quieter.
It travels slower.
It travels faster.
Speed of sound depends on the __________.
pressure of the medium
temperature of the medium
temperature of source producing sound
temperature and humidity of the medium
The reverberation of sound is used in _________.
A
B
C
D
Which city does sound travel the fastest?
Butuan City
Davao City
Cebu City
Metro Manila
Which city does sound travel the slowest?
Butuan City
Davao City
Cebu City
Metro Manila
Which of the following does the speed of sound wave depend?
pitch
loudness
thickness
temperature
