Types of waves and mediums
These waves need a medium to travel.
mechanical waves
What kind of surfaces reflect sound clearly?
smooth surfaces
What word means sound that keeps bouncing around a room?
reverberation
This scientist with four metal arms is one of Spidey’s most famous enemies.
Doctor Octopus Doc Oc
Related to sound
acoustical
These waves do not need a medium.
electromagnetic waves
What kind of surfaces diffuse (scatter) sound?
rough surfaces
What process do bats use to find objects with echoes?
echolocation
This black, gooey alien symbiote bonds with Eddie Brock.
Venom
A rapid back-and-forth or up-and-down movement.
vibration
This is the material that a wave travels through.
medium
What kind of materials absorb the most sound?
porous materials
In a sound wave, what are the squeezed-together particle areas called?
compressions
This villain can turn his body into tiny rock particles.
Sandman
Large pieces of cloth that hang over windows and can help absorb sound.
drapes
According to the speed chart, which state of matter carries sound the fastest?
solids
What kind of ceiling tiles do acoustical engineers often use to absorb sound?
porous tiles
In a sound wave, what are the spread-out particle areas called?
rarefactions
This bird-themed villain uses a winged suit to fly and steal.
Vulture
To spread out evenly from one area to another.
diffuse