09sci light + sound key terms

• Absorption


  The transfer of energy from a wave to a medium
• Amplitude


  The measure between the maximum point and the resting position
• Audible


  Capable of being heard
• Binocular vision


  Vision using two eyes
• Concave


  Mirror curved inward, also known as a converging mirror
• Convex


  Mirror curved outward, also known as diverging mirror
• Echo


  Reflection of sound waves off a surface back to the listener
• Electromagnetic (EM) spectrum


  Range of all possible frequencies of electromagnetic radiation
• Focal point


  The point at which light rays meet after passing through a mirror
• Focus


  The point at which light rays or sound waves meet after passing through a medium
• Frequency


  Number of waves per second
• Hertz


  The frequency of waves
• Law of reflection


  States that the angle of incidence is equal to the angle of reflection
• Lens


  Optical device that focuses or disperses light
• Light


  Electromagnetic radiation that is visible to the human eye
• Medium


  Material through which a wave travels
• Normal


  Perpendicular to surface
• Prism


  A transparent, triangular optical element that refracts light
• Reflected ray


  Ray of light or sound that bounces off a surface
• Refracted ray


  Ray of light that changes direction as it passes from one medium to another
• Refraction


  The bending of light when it enters a medium where speed is different
• ROYGBIV


  Acronym for the colors of the visible spectrum: Red, Orange, Yellow, Green, Blue, Indigo, Violet
• Sound


  Vibrations that travel through a medium and can be heard
• Total internal reflection


  When light traveling through a denser medium is reflected back into the same medium instead of refracting out
• Transmission


  The moving of light through a material
• Transparent


  Material that allows all light to pass through
• Vacuum


  A space with no matter
• Wavelength


  The distance between two consecutive points of a wave