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- 1. Multiple Choice
How are ocean waves different from sound waves?
Ocean waves are transverse, sound waves are longitudinal waves
Ocean waves are longitudinal waves, sound waves are transverse waves.
Ocean waves are electromagnetic waves, sound waves are mechanical waves.
Ocean waves are mechanical waves, sound waves are electromagnetic waves.
- 2. Multiple Choice
What are you doing when you make a sound?
Causing photons to travel.
Causing air molecules to vibrate.
Causing electromagnetic waves to radiate.
Causing air pressure to drop.
- 3. Multiple Choice
What is compression?
When air molecules move apart from one another.
When air molecules collide with one another.
When air molecules become packed tightly together.
When air molecules move around freely.
- 4. Multiple Choice
A sound wave of over 20,000 cycles per seconds is inaudible to humans. What does "inaudible" mean?
Loud
Shrill
Deep
Unable to be heard
- 5. Multiple Choice
What would a wave with a low amplitude sound like?
It would sound quiet.
It would sound loud.
It would sound high-pitched.
It would sound deep.
- 6. Multiple Choice
What is the relationship between frequency and sound?
Frequency affects a sound's volume.
Frequency affects a sound's amplitude.
Frequency affects a sound's loudness.
Frequency affects a sound's pitch.
- 7. Multiple Choice
Where would sound travel the slowest?
Through air.
Through the ocean.
Through steel.
Through space.
- 8. Multiple Choice
To break the sound barrier, an airplane must travel faster than the speed of sound. Approximately how fast does an airplane have to go to do this?
344 kilometers per hour
344 meters per second
344 centimeters per minute
344 miles per hour
- 9. Multiple Choice
Which of these would absorb the most sound?
A
B
C
D
- 10. Multiple Choice
Which of these does sound travel fastest through?
Steel
Water
Air
Rock
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