1. Wave at Jeopardy 10 20 30 40 50 Sounds good Properties of Waves
In real life
Mix it up
NickToons 10 20 30 40 50

2. The reason you can’t hear sound while in a vacuum
Because it is a mechanical wave, it needs a medium
Category

3. The speed of sound will change if you change its:
Medium
Medium
Amplitude
Loudness
Category

4. 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

5. The units of frequency
Hertz (Hz)

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

7. The property of waves highlighted in this figure
Amplitude

8. Which of the following waves has the highest pitch?

9. Through which of the following media does sound travel faster? Air
A Brick wall
Outer space b

10. The direction in which particles move on a longitudinal waveb) c) d) b

11. Which wave is the loudest?
Up and down

12. What property of waves is he changing?
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

13. Which property of waves are you experiencing when 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

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

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

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

17. Sound moves in what direction?
Away from sound source in all directions

18. What creates sound waves
The vibration of an object?

19. True of False: Sound waves are longitudinal

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

21. 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

22. What is the unit for loudness?
decibels

23. The longer the wavelength of a wave, the _____ the frequency and therefore the pitch?
Smaller/lower

24. A reflected sound wave is called
An echo

25. Uses of reflected sound waves include
Echolocation, Ultrasounds and SONAR.