Waves (2)

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 2. The maximum displacement of a periodic wave (9)
  2. 6. A showy growth of e.g. feathers or skin on the head of a bird or other animal (5)
  3. 8. Austrian physicist famous for his discovery of the ___ effect (7)
  4. 11. A policy of ___ in the affairs of other countries (12)
  5. 12. A means or instrumentality for storing or communicating information (6)
  6. 14. Having the character of a loud deep sound (9)
  7. 15. The phenomenon of a propagating wave being thrown back from a surface (10)
  8. 16. The property of sound that varies with variation in the frequency of vibration (5)

Down

  1. 1. The particular auditory effect produced by a given cause (5)
  2. 3. Extending or lying across (10)
  3. 4. One of a series of ridges that moves across the surface of a liquid (4)
  4. 5. The number of occurrences within a given time period (9)
  5. 7. The change in direction of a propagating wave when passing from one medium to another (10)
  6. 9. The magnitude of sound (8)
  7. 10. When light passes sharp edges or goes through narrow slits the rays are deflected and produce (11)
  8. 13. The distance between two points in the same phase in consecutive cycles of a wave (10)