4. You have a frustrating day and just feel like screaming; you grab a pillow to scream into it. Which interaction of sound would take place here, (reflection, refraction or absorption), and how did the sound waves move?

Question

4.	You have a frustrating day and just feel like screaming; you grab a pillow to scream into it. Which interaction of sound would take place here, (reflection, refraction or absorption), and how did the sound waves move?

anonymous · Answer

Absorption
The sound waves move out of the mouth and into the pillow. Parts of the sound wave's energy is absorbed by conversion to heat energy in the feathers or stuffing of the pillow, while the rest is transmitted through.