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Mechanical Waves And Sound
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Avg score: 83% Most missed: “Any motion that repeats at regular time intervals”
Mechanical Waves And Sound
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25 Questions

1. The lowest point below the rest position

2. The bending of a wave as it enters a new medium at an angle

3. A wave that causes the medium to vibrate at right angles to the direction in which the wave travels

4. The highest point of the wave above the rest position

5. A change in sound frequency caused by motion of the sound source - motion of the listener - or both

6. The time required for one cycle - a complete motion that returns to its starting point

7. A point where a crest or trough occurs midway between two nodes

8. An area where the particles in a medium are spread out

9. When a wave bounces off a surface that it cannot pass through

10. The bending of a wave as it moves around an obstacle or passes through a narrow opening

11. The material through which a wave travels through

12. Any motion that repeats at regular time intervals

13. The distance between a point on one wave and the same point on the next cycle of the wave

14. A technique used for determining the distance to an object underwater

15. A wave in which the vibration of the medium is parallel to the direction the wave travels

16. A disturbance in matter that carries energy from one place to another

17. A unit that compares the intensity of different sounds

18. The response of a standing wave to another wave of the same frequency

19. An area where the particles in a medium are spaced close together

20. Wavelength x frequency

21. Consists of the ear canal

22. A wave that appears to stay in one place - it does not seem to move through the medium

23. Longitudinal waves - compressions and rarefactions that travel through a medium

24. Is the maximum displacement of the medium from its rest position on a wave

25. When two or more waves overlap or combine together