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- 1. Multiple Choice
Which statement best explains how sound is produced by a stringed instrument?
Gravity pulls on the string.
The matter in the string expands as it is plucked.
The vibration of the string causes the air around the instrument to vibrate.
The instrument's sound travels faster than the other sounds in air.
- 2. Multiple Choice
If a tuning fork is in a vacuum (no air) what would you expect to hear?
nothing
a soft sound
a loud sound
- 3. Multiple Choice
As a sound wave passes from air into steel (a different type of matter), its velocity (speed) ______.
decreases
increases
remains the same
- 4. Multiple Choice
In which medium does sound have the greatest speed?
vacuum
air/gas
water/liquid
steel/solid
- 5. Multiple Choice
Sounds are carried by waves through all matter (solids, liquids, and gases).
Which wave has the highest-pitched sound?
1
2
3
4
- 6. Multiple Choice
Which statement below is true for light and sound waves?
Both can move through empty space.
Both have the same wavelength.
They travel at different speeds in air.
Neither can pass through solids.
- 7. Multiple Choice
Which statement best explains why thunder is heard AFTER lightning is seen?
Light travels faster than sound.
Light travels slower than sound.
Thunder is produced by the impact of ligtning against the ground.
The eye works faster than the ear.
- 8. Multiple Choice
What is this a picture of????
a transverse wave
a light wave
a EMS wave
a compressional wave
- 9. Multiple Choice
What is an example of a high-pitched sound?
the fire alarm at Berner Middle school
a tuba
a bass drum
a whale singing underwater
- 10. Multiple Choice
As the amplitude of a sound wave decreases, ___________.
the pitch gets louder.
the pitch gets softer.
the sound gets softer.
the sound gets louder.
- 11. Multiple Choice
As the frequency of a sound wave increases, __________.
the pitch gets higher.
the pitch gets lower.
the sound gets softer.
the sound gets louder.
- 12. Multiple Choice
A system for the detection of objects under water and for measuring the water's depth by emitting sound pulses and detecting or measuring their return after being reflected.
ultrasound
frequency
pitch
sonar
- 13. Multiple Choice
Uses high-frequency sound waves to create images of the inside of the body.
ultrasound
frequency
pitch
sonar
- 14. Multiple Choice
What type of wave is used to see this picture?
sonar
ultrasound
frequency
pitch
- 15. Multiple Choice
What type of wave is used to see this picture?
sonar
ultrasound
frequency
pitch
- 16. Multiple Choice
Choose the correct order for how sound travels.
When a school bell rings, parts of the bell will vibrate, ________.
causing your eardrum to vibrate, and then a message is sent to your brain.
your eardrum to vibrate, which causes the air around you to vibrate, which causes your eardrum to vibrate.
causing the air around it to vibrate, and then a message is sent to your brain.
causing the air around it to vibrate, which causes your eardrum to vibrate, and then a message is sent to your brain.
- 17. Multiple Choice
What is represented by the letter A?
wavelength
crest
trough
amplitude
- 18. Multiple Choice
What is something natural that sound cannot travel through?
water
air
liquids
outer space
- 19. Multiple Choice
What is a reflected sound.
Vibration
Echo
Pitch
Volume
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