Quizlet Science Chapter 14

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  1. absorption: the taking in of light energy by an object
  2. compression: the part of the wave where particles are closest together
  3. echo: reflected sound
  4. frequency: the number of times a wave makes a complete cycle in a second
  5. gas: sound waves travel the slowest through these and light travels the quickest
  6. longitudinal waves: particles move side and parallel to a source
  7. opaque: describes materials that do not let any light pass through them
  8. pitch: a measure of whether a sound seems high or low, determined by the sound's frequency
  9. reflection: the bouncing back of a wave off an object's surface
  10. refraction: bending of light caused by the change of speed that occurs when light rays pass from one transparent medium to another
  11. solid: sound waves travel most quickly through these and light travels the slowest
  12. sound: a form of energy that travels in waves
  13. sound energy and light travel: through solids, liquids, and gases
  14. sound waves: travel outwards in all directions from the source
  15. translucent: describes materials that let some light rays pass through but scatter some of the other rays
  16. transparent: describes materials that let nearly all the light rays that hit them pass through
  17. transverse waves: particles move up and down and at right angles to a source
  18. wavelength: distance between one point on a wave to the next similar point on a wave