Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
36 Cards in this Set
- Front
- Back
|
what is a wave?
|
a disturbance that carries energy from place to place
|
|
|
the disturbance caused by a wave is ____________.
|
temporary
|
|
|
many waves need something to _________ through.
|
travel
|
|
|
what is the material that a wave travels through called?
|
a medium (plural=media)
|
|
|
give two examples of a gas
|
air & hydrogen
|
|
|
give two examples of a liquid
|
water & milk
|
|
|
give three examples of a solid
|
ropes, rocks, pizza
|
|
|
waves that need a medium to travel through are called __________ waves.
|
mechanical
|
|
|
when are waves created?
|
when a source of energy causes a medium to vibrate
|
|
|
what is a vibration?
|
a repeated back and forth or up and down motion
|
|
|
how are waves classified?
|
by how they move
|
|
|
what are the 3 types of waves?
|
transverse, longitudinal, surface
|
|
|
what moves outward to create a wave?
|
the energy of the disturbance
|
|
|
how rae wavelengths normally meaured?
|
from crest to crest or trough to trough
|
|
|
what is amplitude?
|
the height of a wave
|
|
|
what is velocity?
|
the relationship between a wave's length and frequency
|
|
|
what is frequency?
|
the number of wave cycles per unit of time (usually in seconds)
|
|
|
what are the highest parts of a wave called?
|
crest
|
|
|
what are te lowest parts of a wave called?
|
trough
|
|
|
the parts that coil together in a wave are called what?
|
compressions
|
|
|
the parts that spread aprart in a wave are called what?
|
rarefactions
|
|
|
which type of wave does this go with? amplitude
|
both
|
|
|
which type of wave does this go with? crest
|
both
|
|
|
which type of wave does this go with? compressions
|
sound
|
|
|
which type of wave does this go with? travels in a vacuum
|
light
|
|
|
which type of wave does this go with? trough
|
both
|
|
|
which type of wave does this go with? reflects
|
both
|
|
|
which type of wave does this go with? requires media
|
sound
|
|
|
which type of wave does this go with? rarefactions
|
sound
|
|
|
which type of wave does this go with? wavelength
|
both
|
|
|
which type of wave does this go with? velocity
|
both
|
|
|
what type of waves are sound waves?
|
longitudinal waves
|
|
|
what type of waves are light waves?
|
transverse waves
|
|
|
what is energy?
|
the ability to do work
|
|
|
what must happen for work to occur?
|
a force must cause an object to move in the direction of the force
|
|
|
what is the relationship between energy and work?
|
energy is needed to do work
|
