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sound and light

QuestionAnswer
sound energy energy caused by vibrating particles in matter
pitch the highness or lowness of a sound
frequency the number of vibrations that occur in a unit of time
volume the loudness of a sound
tuba instrument with a low pitch and low frequency
flute instrument with a high pitch and a high frequency
medicine, entertainment, every day uses, and exploration ways we use sound
gas sound travels the slowest in which state of matter
decibels volume is measured in this unit
85 dB if sound reaches this number of decibels, it can be damaging to your ears
wave a disturbance that transmits energy
waves sound travels in this way
light form of energy that moves in waves and can travel through space
electromagnetic spectrum a range of light organized by frequency and wavelength
opaque absorbs most light.... no light passes through it
wood, stone, metal materials that are opaque
transparent absorbs very little light... most light passes through it
clear glass, air, pure liquid water materials that are transparent
translucent absorbs a little light... little light passes through it
frosted glass, ice, wax paper materials that are translucent
prism a transparent material that bends and separates white light into the colors of the rainbow
reflection the bouncing of light waves that reverses the image
refraction the bending of light waves
straight lines the way that light travels
 

 



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