Sound, Energy, Waves

1. Sound is or are

A) Captured in our Ears
B) Waves
C) All of these are correct
D) Vibrations
E) Energy

2. Sound travels through _______________ which the vibration compresses

A) Anti-Matter
B) Substances
C) Matter
D) Atoms
E) None of these

3. Sound travels through waves called

A) Longitudinal
B) Sea Waves
C) Doppler Waves
D) Transverse Waves
E) Up and Down 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 moving like the ripples in a pond from a rock
C) A moving object is emitting sound continuously.
D) The waves are really distorted in the front where the sound is and not in the back after the object moves away

6. Longitudinal Waves are waves that travel

A) Only when there is very dense material around
B) Side to side in two different directions at once
C) Up and down like the waves of an ocean
D) Side to side in one direction

7. Sound waves CAN move in space

A) True
B) Both true and false
C) Neither true or false
D) False

8. Sound vibrations travel best in

A) Space
B) Gases
C) Liquids
D) Solids

9. An echo is

A) Sound that bounces in all directions
B) A figment of your imagination
C) Sound that DOES NOT bounce back to you
D) Sound bouncing back to you off a solid object

10. Dolphins and Bats use what

A) Echo Reverberation
B) Echo Location
C) No Echos at all
D) Echo Detection

11. Sound travels through

A) Less Dense material
B) Denser material
C) Density does not matter with sound
D) Matter that has no density at all

12. The greatest distance the particles in a wave rise and fall from their rest position

A) Amplitude
B) Frequency
C) Velocity
D) Intensity
E) Hertz

13. Means the same as one cycle of a wave

A) Amplitude
B) Velocity
C) Frequency
D) Intensity
E) Hertz

14. 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 used to gauge frequency
D) The unit of measure that is used to check wave length

15. Pitch is directly related to what?

A) Velocity
B) Decibels
C) Amplitude
D) Frequency
E) It does not have a relation

16. Tone quality is the difference between the sounds of the SAME

A) Pitch and Velocity
B) Amplitude and Intensity
C) Velocity and Loudness
D) Pitch and Loudness

17. At what decibel level for a continuous period does hearing loss occur?

A) 100 + dB
B) 60 + dB
C) 85 + dB
D) 55 + dB
E) 90 + dB

18. You can still hear in space even if you scream

A) True
B) You can always hear no matter where you are
C) Neither
D) The only place in space that you can hear is the moon
E) False

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