2019-07-29T06:59:36+03:00[Europe/Moscow] en true Electromagnetic Spectrum, Vocal Cords, Decibel, Dispersion, Transmitted, Acoustics, Reflected, Gamma Rays, Lumens, Visible Spectrum, Insulation, Light Emitting Diode, Refraction, Plane Mirror, Concave, Echo, Dispersion, Wavelength, Pitch, Loudness, Radio Waves, Convex, Image, Frequency flashcards

Sound and Light

Set of glossary words for a year 8 science class

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  • Electromagnetic Spectrum
    The range of all forms of radiation
  • Vocal Cords
    What produces the sound when you sing
  • Decibel
    Unit used to measure sound intensity
  • Dispersion
    The splitting of light into various colours
  • Transmitted
    When a wave passes through a substance it is
  • Acoustics
    What is the science of sound called?
  • Reflected
    When a wave bounces of a surface it is
  • Gamma Rays
    This type of radiation had the shortest wavelength
  • Lumens
    Unit used to measure the brightness of light
  • Visible Spectrum
    The colours produced from white light
  • Insulation
    A material used to absorb energy in a room
  • Light Emitting Diode
    LED stands for
  • Refraction
    When light bends upon entering or leaving a material
  • Plane Mirror
    A flat mirror
  • Concave
    What is the name of a lens or mirror that curves inwards?
  • Echo
    When sound is reflected it makes an....
  • Dispersion
    When sound or light spread out after striking a surface
  • Wavelength
    The distance between two wave crests
  • Pitch
    How fast particle producing a sound vibrate is called the
  • Loudness
    A measure of the intensity of sound
  • Radio Waves
    This type of radiation has the longest wavelength
  • Convex
    What is the name of a lens or mirror that curves outwards?
  • Image
    The figure produced by refracted or reflected light
  • Frequency
    The number of waves that pass a point per second