Sound, Energy, Waves - اختبار
  • 1. Sound is or are
A) Captured in our Ears
B) Energy
C) Vibrations
D) Waves
E) All of these are correct
  • 2. Sound travels through _______________ which the vibration compresses
A) None of these
B) Substances
C) Anti-Matter
D) Atoms
E) Matter
  • 3. Sound travels through waves called
A) Sea Waves
B) Up and Down Waves
C) Transverse Waves
D) Doppler Waves
E) Compressional Waves
  • 4. Compressional waves travel in
A) No direction at all they don't move
B) The same direction as the Sound vibrations
C) In many different directions at the same time
D) The opposite direction as the sound vibrations
  • 5. The Doppler effect occurs when
A) There is a rainbow present in the sky.
B) The waves are really distorted in the front where the sound is and not in the back after the object moves away
C) A moving object is emitting sound continuously.
D) The waves are moving like the ripples in a pond from a rock
  • 6. Longitudinal Waves are waves that travel
A) Up and down like the waves of an ocean
B) Side to side in one direction
C) Only when there is very dense material around
D) Side to side in two different directions at once
  • 7. Elasticity is the process that occurs
A) After the sound waves pass a point and the matter snaps back into its original position
B) Only happens when there is a high temperature
C) Only happens when there is a cold temperature
D) During the wave movement.
  • 8. Sound waves CAN move in space
A) False
B) True
C) Both true and false
D) Neither true or false
  • 9. Sound vibrations travel best in
A) Space
B) Gases
C) Liquids
D) Solids
  • 10. An echo is
A) Sound that DOES NOT bounce back to you
B) Sound that bounces in all directions
C) A figment of your imagination
D) Sound bouncing back to you off a solid object
  • 11. Velocity of sound
A) Increases as the temperature decreases
B) Decreases as the temperature increases
C) Increases as the temperature increases
D) Does NOT change with the temperature
  • 12. Dolphins and Bats use what
A) No Echos at all
B) Echo Location
C) Echo Reverberation
D) Echo Detection
  • 13. Sound travels through
A) Less Dense material
B) Matter that has no density at all
C) Denser material
D) Density does not matter with sound
  • 14. When sound vibrations reach the ear
A) The little hair cells don't matter
B) just need to get to the ear canal
C) They must reach the ear drum and cochlea to be heard
D) The brain does not ever come into play. It is only the ear that hears
  • 15. The greatest distance the particles in a wave rise and fall from their rest position
A) Intensity
B) Frequency
C) Velocity
D) Amplitude
E) Hertz
  • 16. Means the same as one cycle of a wave
A) Intensity
B) Amplitude
C) Frequency
D) Velocity
E) Hertz
  • 17. Decibel is
A) The unit of measure used to gauge the loudness
B) The unit of measure to check tone quality
C) The unit of measure that is used to check wave length
D) The unit of measure used to gauge frequency
  • 18. Noise is
A) sound without intensity
B) sound without definite pitch and no pattern
C) some very bad music that everyone likes
D) sound without amplitude or tone quality
  • 19. How many tiny bones are attached to the ear drum
A) Seven
B) Three
C) Six
D) Five
E) One
  • 20. The Thin Membrane next to the cochlea is
A) saran wrap and tin foil
B) The cochlear implant
C) The ear drum
D) does not need the hair like cell to move the vibrations into it.
  • 21. The smallest bones in the body are in your ear. How many of them are attached to the ear drum?
A) Three
B) There are no bones it is only a thin membrane that vibrates
C) One
D) Four
E) Two
  • 22. Pitch is directly related to what?
A) Frequency
B) Amplitude
C) Velocity
D) Decibels
E) It does not have a relation
  • 23. Tone quality is the difference between the sounds of the SAME
A) Amplitude and Intensity
B) Pitch and Velocity
C) Velocity and Loudness
D) Pitch and Loudness
Ear Label
  • 24. What is Number 1
A) Ear Drum
B) Three Bones of the Ear
C) Outer Ear
D) Cochlea
E) Ear Canal
Ear Label
  • 25. What is Number 2
A) Outer Ear
B) Three Bones of the Ear
C) Ear Drum
D) Ear Canal
E) Cochlea
Ear Label
  • 26. What is number 3
A) Outer Ear
B) Ear Drum
C) Cochlea
D) Ear Canal
E) Three Bones of the Ear
Ear Label
  • 27. What is Number 4
A) Ear Drum
B) Cochlea
C) Outer Ear
D) Three Bone of the ear
E) Ear Canal
Ear Label
  • 28. What is Number 5
A) Outer Ear
B) Three Bones of the Ear
C) Ear Canal
D) Ear Drum
E) Cochlea
  • 29. At what decibel level for a continuous period does hearing loss occur?
A) 60 + dB
B) 90 + dB
C) 85 + dB
D) 55 + dB
E) 100 + dB
  • 30. You can still hear in space even if you scream
A) The only place in space that you can hear is the moon
B) Neither
C) False
D) You can always hear no matter where you are
E) True
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