1.3) Sound Energy Flashcards
1
Q
What does sound travel as?
A
Sound travels as longitudinal waves
2
Q
Why does sound travel faster through denser solids like metal than less dense solids like rubber?
A
The closer the particles are to each other the less time it takes for them to pass the sound to each other and the faster sound can travel
3
Q
Why do sound waves move more slowly through liquids?
A
Particles in liquids are more spread out, so sound waves move more slowly
4
Q
Why does sound travel faster through hot air than through cold air?
A
Heat increases the vibrations of the particles
5
Q
What type of surface reflects sound?
A
Hard surfaces
6
Q
What type of surface absorbs sounds?
A
Soft materials
