2. Wave at Jeopardy Sounds goodProperties of Waves In real lifeMix it upWave phenomena 10 20 30 40 50

3. The reason you can’t hear sound while in a vacuum It needs a medium

4. The speed of sound will change if you change its: Medium A.Medium B.Amplitude C.Loudness

5. When I crank up the volume on my radio I’m not only changing how loud my radio is, I’m also changing a sound wave’s Amplitude

6. The units of frequency Hertz (Hz)

7. Like vibrating wine glasses, an object that is vibrating at its natural frequency is experiencing: Resonance

8. The property of waves highlighted in this figure Amplitude

9. Which of the following waves has the highest frequency? A

10. Through which of the following media does sound travel faster? a)Air b)A Brick wall c)Outer space b

11. The direction in which particles move on a longitudinal wave b a) particle wave particle wave b)c) particle wave particle wave d)

12. A secondary earthquake wave looks like this: Up and down In what direction would you move if the wave is moving toward you?

13. Rock idol Mr. Marrero plays a low pitch note on a guitar followed by a high pitch note. What property of waves is he changing? Frequency

14. Which property of waves are you experiencing when a someone drives by you in a car with a song that has a very low bass that makes your chest vibrate at its natural frequency Resonance

15. The type of wave done by fans on a sports event. Transverse wave

16. The units in which wavelength is measured Meters (m)

17. It takes 2 seconds for two cycles to pass through a point. What is the period of this wave? 1 second

18. How many degrees out of phase are the following waves? 180

19. How many nodes and antinodes does the following standing wave have? N = 5 A = 4

20. An example of Resonance Wine glass Etc

21. The Doppler Effect An apparent change in frequency in sound emitted by a moving source is known as?

22. This figure shows the movement of a noisy car and the sound waves it produces, at which point would an observer hear the highest frequency? A

23. Name the two kinds of waves Transverse and longitudinal

24. Describe how the wave phenomena shown occurs Sonic Booms occur when a jet flies faster than the speed of sound

25. 8.0/1.2 = 6.7 times the speed of sound Calculate the speed of the object if the radius of the circle is 1.2 cm and the yellow line is 8.0 cm

26. Destructive interference Name the phenomena shown and predict what the sum of the waves will look like

27. f = 3 Hz T = 1/3 s v = λf = (2)(3) = 6 m/s If a wave vibrates 3 times each second, and its wavelength is 2 meters, what is its frequency? Its period? Its speed?