when a wave bounces off of a surface

a wave in which the particles in matter move back and forth in the same direction in which the wave moves

a material that allows some light waves to pass through it

how high or low a sound is determined by the frequency of a sound wave

a band of colors seen as a rainbow

a shape that curves inward

states that as a light ray hits a smooth surface, it reflects back at the same angle at which it entered

the number of waves or vibrations that pass a given point per second

a part of a longitudinal wave in which the particles in matter are closer together

a part of a longitudinal wave in which the particles in matter are separated from each other

how loud or quiet a sound is

The substance at which the wave travel?

a material that does not allow light waves to pass through it

a particle of light energy

A series of rarefaction and compression travelling through a substance

the change in pitch that you hear when a source of sound is moving toward or away from you

the highest or lowest point on a wave from its resting position

the strength or weakness of the sound

locating an object by using sound waves that bounce off the object back to the source

the unit used to measure volume

the unit used to measure frequency

a sound created when a sound wave hits a hard surface and bounces back to the source

a range of all forms of electromagnetic waves, from gamma rays to radio waves, including visible light

a cut piece of clear glass or plastic in the form of geometric shape to analyze light