Crossword Physics

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Across
  1. 2. A method used to assess motion, particularly blood flow, by detecting frequency changes
  2. 3. The bending of a wave as it passes from one medium into another
  3. 5. The number of cycles occurring per unit of time
  4. 8. The distance between corresponding points on successive waves
  5. 9. A wave that requires a medium to travel through
Down
  1. 1. A wave in which particle motion is perpendicular to the direction of wave propagation
  2. 4. A wave in which particle motion is parallel to the direction of wave propagation
  3. 6. A term describing a tissue or a structure that reflects ultrasound waves and produces echoes
  4. 7. The time required for one complete wave cycle