a lonitudinal wave that is caused by vibrations and that travels trhough a material medium
A physical enviroment in which phenomena occur
a measure of how high or low a sound is perceived to be, depending on the frequency of the sound wave.
am observed change in the frequency of a wave then the source or observer is moving.
The extent to which a sound can be heard
the most common unit to measure loudness
a reflected sound wave
The process of using reflected sound waves to find objects;used by animals such as bats
The combinationof two or morewaves that results in a single wave.
The exsplosive sound heard when a shock wave from an object traveling faster than the speed of sound reaches a person's ears.
A pattern of vibration that stimulates a wave that is standing still.
A phenomenon that occurs when two objects naturally vibrate at the same frequency;the sound produced by one object causes the other object to vibrate.
the result of the blending of several pitches through interference
a sound that consists of a random mix of frequencies
a wave that consists of electric and magnetic fields that vibrate at right angles to each other.
the transfer of energy by electromagnetic waves
All of the frequencies or wavelengths of electromagnetic radiation
the bouncing back of a ray of light, sound, or heat when the ray hits a surface that it does not go through
the transfer of energy from light waves to particles of matter
an interaction of light with matter that causes light to change its energy, direction of motion, or both
The bending of a wave as it passes at an angle from one medium to another
a change in the direction of a wave when the wave finds an obstacle or an edge, such as an opening
the interaction between waves that meet`
the passing of light through matter
allows light to pass through so that whatever is behind can be seen
Permitting light to pass through, but not transparent.
impossible to see through
a substance that gives another substance or a mixture its color