Font size
Worksheets4.10 Speed of sound and echoes
Total questions: 14
Worksheet time: 17mins
In air, the speed of sound is
330 m/s
350 m/s
760 mph
790 mph
The speed of sound depends on:
The temperature
The medium
Both the temperature and the medium
None of above
Speed of sound in air at 0 degrees C:
330 m/s
5000m/s
1400 m/s
350 m/s
Speed of sound in air at 30 degrees C:
330 m/s
5000m/s
1400 m/s
350 m/s
Speed of sound in concrete:
330 m/s
5000m/s
1400 m/s
350 m/s
Speed of sound in water at 0 degrees C:
330 m/s
5000m/s
1400 m/s
350 m/s
Sound takes about _ seconds to travel 1 km.
(a)
You hear lightning _ you see it.
Before
After
As soon as
If you arrange the speed of sound in different states of matter from fastest to slowest, it would be
solid, liquid, gas
liquid, gas, solid
gas, solid, liquid
same in all the states
Distant trains and traffic often sound
louder at night
louder during the day
same at all times
What is refraction?
Give an example and explanation of refraction.
Hard surfaces _ sound waves.
Reflect
Absorb
What is an echo?
