Speed of Sound
Interactive Video
•
Science, Physics
•
6th - 12th Grade
•
Practice Problem
•
Hard
Wayground Content
FREE Resource
The video explains the speed of sound, typically 343 m/s in air at 20°C, and how it varies with conditions. Sound travels faster in water and even faster in solids due to stronger particle interactions. Temperature increases speed as molecules move faster, while elasticity and density of the medium also play roles. Helium, being lighter than air, allows sound to travel faster. Overall, the speed of sound is influenced by multiple factors, making it impossible to define a single speed.
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2 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
In which state of matter does sound travel fastest and why?
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
What is the effect of molecular mass on the speed of sound in different gases?
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