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wave

a way of transferring energy from one pace to another without matter being transfered

peak

the highest point of a wave

wave length

the distance between two peaks in A wave

amplitude

the height of a wave a measured from the midline of a peak

medium

the matter through witch energy waves travel

freaquency

the number of wave peaks that pass by a given point every second

pitch

the highness or lowness of a sound as determined by the wave frequency

transverse wave

a wave in which the vibration is side to side or up and down

longitudinal wave

A wave in which the vibration is forward and backward

visible spectrum

the frequencys or wave lengths of light that can be seen including all the colors of the rainbow

audio spectrum

the frequencies or wavelengths of sound that can be heard, including the lowest pitch to the highest pitch

electromagnetic radiation

a form of energy that has both electrical and magnetic properties

electromagnetic spectrum

All of the wavelength range of electromagnetic radiation

transparent

describes material that light passes through easily

translucent

describes materials that some light passes through producing blurred images

opaque

describes materials that light does not pass through

refract

the bending of light or sound waves as they pass through different mediums

focus

to bring energy to a point

convex lens

a lens that focuses light

concave lens

a lens that causes light to spread out

reflect

to bounce energy off of an object

porous

describes materials full of tiny openings

transmitter

device that converts information into a signal

receiver

a device that receives a signal and converts it into information

amplify

increase the volume of a sound

radio spectrum

the wavelengths used in communications including radio and television

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