sound waves Flashcards
1
Q
what is a longitudinal wave
A
wave with vibrations that are parallel to the direction of wave change
2
Q
example of longitudinal waves
A
slinky spring
3
Q
sound waves are also
_________ waves
A
longtudinal
4
Q
sound waves can be
_______ and ________
A
reflected e.g echo
absorbed e.g soft things-carpet
5
Q
vibrating objects create ______ waves
A
sound
6
Q
vibrations causes ________ change
A
pressure
7
Q
sound waves need _________ to travel or vibrations cant be passed on
A
particles
8
Q
why cant sound travel in space
A
not enough particles
9
Q
usually the ______ the medium the _______ sound travels because there are more ________ to pass on vibrations
A
denser, faster particles
10
Q
sound travels slower than ______
A
light
11
Q
order of substances (3) of speed that sound travels in
A
gases, liquid, solid
