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The Waves and Sound Game. Lots of fun! Win valuable prizes!. 1. The source of all wave motion is a region of variable high and low pressure. movement of matter. harmonic object. vibration. . 2. The time needed for a wave to make one complete cycle is its frequency. period.

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the waves and sound game

The Waves and Sound Game

Lots of fun! Win valuable prizes!

slide2

1. The source of all wave motion is a

  • region of variable high and low pressure.
  • movement of matter.
  • harmonic object.
  • vibration.
slide3

2. The time needed for a wave to make one complete cycle is its

  • frequency.
  • period.
  • velocity.
  • amplitude.
  • wavelength.
slide4

3. The distance between successive identical parts of a wave is called its

  • frequency.
  • period.
  • velocity.
  • wavelength.
  • amplitude.
slide5

4. The hertz is a

  • unit of frequency. 
  • special radio wave.
  • type of car.
  • unit of period.
  • unit of wavelength.
slide6

5. A man is standing on the shore of a beach, up to his knees in water. Every 2 seconds a wave breaks on him. What is the period of the wave?

  • 2 waves per second
  • 2 seconds
  • 2 hertz
  • 0.5 hertz
slide7

6. A wave created by shaking a rope up and down is called a

  • transverse wave.
  • Doppler wave.
  • standing wave.
  • longitudinal wave.
  • constructive wave.
slide8

7. Where can you touch a standing wave on a rope without disturbing the wave?

  • At a node
  • At any place along the wave
  • At an antinode
slide9

8. Sound waves are

  • transverse waves.
  • longitudinal waves.
  • circular waves.
  • polarized waves.
slide10

9. When two or more waves are at the same place at the same time, the resulting effect is called

  • a Doppler wave.
  • a shock wave.
  • a period.
  • interference.
slide11

10. Water waves

  • transport water but not energy.
  • transport energy but not water.
  • transport energy and water.
  • are not mechanical waves.
slide12

11. A singer can shatter a wine glass with his voice through

  • resonance.
  • frequency modulation.
  • destructive interference.
  • beats.
slide13

12. When a sound source moves towards you, what happens to the wave speed?

  • It stays the same.
  • It decreases.
  • It increases.
slide14

13. Brianna is standing still and listening to a siren sounding an alarm. She begins running toward the sound. The frequency of the sound she hears will

  • increase.
  • remain the same.
  • decrease.
slide15

14. A sound wave that has a higher frequency has a wavelength that is

  • longer.
  • shorter.
slide17

16. Compared to the speed of light, sound travels

  • at about the same speed.
  • faster.
  • slower.
slide18

17. Sound waves in air are a series of

  • high- and low-pressure regions.
  • periodic disturbances.
  • periodic compressions and rarefactions.
  • all of the above
  • none of the above
slide19

18. Sound waves

  • can travel in a vacuum.
  • require a medium.
  • are not mechanical waves.
  • are unrelated to vibrations.
slide20

19. The frequency of a sound wave determines

  • how fast the sound travels.
  • the magnitude of the compression.
  • the pitch of the sound.
  • how loud the sound is.
slide21

20. Constructive interference occurs when

  • two waves of the same color overlap.
  • the crests of two waves overlap.
  • the crest of one wave meets the trough of another wave.
  • all of the above
  • none of the above
slide22

21. The intensity of a sound depends on

  • the medium.
  • the amplitude of the waves.
  • the wavelength of the sound.
  • the pitch of the sound.
slide23

22. The speed of a sound wave is determined by the

  • source of the wave.
  • medium of the wave.
  • frequency of the wave.
  • amplitude of the wave.
slide24

23. Which of the following would be most likely to transmit sound with the highest speed?

  • Water in the ocean
  • Steel in a bridge
  • Water in a swimming pool
  • Air in your classroom
slide25

24. Resonance occurs when

  • sound changes speed in going from one medium to another.
  • an object is forced to vibrate at its natural frequency.
  • sound makes multiple reflections.
  • the amplitude of a wave is amplified.
  • all of the above
slide26

25. Noise-canceling earphones are an example of

  • beats.
  • resonance.
  • destructive interference.
  • constructive interference.
short answer
Short answer

29. Explain the difference between mechanical waves and electromagnetic waves and give an example of each. (about 4 sentences)

short answer1
Short answer

A mechanical wave is a disturbance in matter and cannot travel through a vacuum. Sound, water waves and a vibrating guitar string are all examples of mechanical waves.

An electromagnetic wave is made of vibrating electric and magnetic fields and can travel through a vacuum. Light, radio waves and microwaves are all examples of electromagnetic waves.