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- 1. Multiple Choice
Based on the information in figure 1 and table 1, which statement best compares a sound wave in a vacuum to a sound wave in air?
A sound wave in a vacuum travels much faster than a sound wave in air because there are no molecules to slow it down.
A sound wave in air travels much slower than a sound wave in a vacuum because of the number of molecules in air.
A sound wave cannot travel in a vacuum because there are no molecules to transfer the energy.
A sound wave travels at the same speed in a vacuum as a sound wave in air does.
- 2. Multiple Choice
What would be the sound receiver shown in figure 1?
The emergency vehicle
The Air
The Wall
The Student
- 3. Multiple Choice
What would be the sound source shown in figure 1?
The emergency vehicle
The Air
The Wall
The Student
- 4. Multiple Choice
After sound waves reach air particles, at first the particles___. Select 2
Start colliding with one another
Become spread out
Become densely packed
Instantly hit the the sound receiver
- 5. Multiple Choice
The diagram shows how a sound wave from an emergency vehicle changes as it moves through air and then through a brick wall.Which statement best describes how the amplitude and energy of a sound wave are affected as the wave travels through air and as the wave travels through a brick wall?
The sound wave has less energy and a larger amplitude when traveling through a brick wall than when traveling through air.
The sound wave has more energy and a smaller amplitude when traveling through a brick wall than when traveling through air.
The sound wave has more energy and a larger amplitude when traveling through a brick wall than when traveling through air.
The sound wave has less energy and a smaller amplitude when traveling through a brick wall than when traveling through air.
- 6. Multiple Choice
Based on Figure 2, which statement best describes how the pitch and the frequency of sound waves are related?
Sound waves with a higher frequency have a higher pitch
Sound waves with a lower frequency have a higher pitch
Sound waves with a higher frequency have a lower pitch
Sound with higher and lower frequencies can have the same pitch
- 7. Multiple Choice
Which evidence from Figure 2 best supports the answer to how the pitch and the frequency of sound waves are related?
The ambulance sound waves have fewer waves and a longer wavelength.
The fire truck sound waves have fewer waves and a shorter wavelength.
The ambulance sound waves have more waves and a shorter wavelength.
The fire truck sound waves have more waves and a longer wavelength.
- 8. Multiple Choice
Use the information and your knowledge of science to answer the question. An observer standing on the shore of the lake noticed that boats traveling through the water produce waves of different sizes. The observer collected data on how the amplitude of waves from a boat changes as the waves move closer to the shore. The data from these observations are shown in the graph. Which data point shows when the waves from the boat have the most energy?
Dot 1
Dot 2
Dot 3
Dot 4
- 9. Multiple Choice
Eliseo loves to play his trumpet and was interested in observing the effect of the sound waves his instrument makes. He covered a plastic cup with a balloon and sprinkled salt on top. He then played different notes on his trumpet at different levels of loudness near the cup and observed what happened to the salt. While playing, he used a special device to graph the sound waves and calculated the energy produced based on the amplitude of the waves.
The graphs and data for each trial are shown above.
Based on the data, what conclusion can be drawn about wave characteristics and energy for Eliseo’s trumpet?
The energy increases by a large amount when the amplitude increases.
The energy increases by a small amount when the frequency increases.
The energy decreases by a small amount when the amplitude increases.
The energy increases by a large amount when the frequency increases.
- 10. Multiple Choice
Based on the data in the graphs, at what time of day will the waves generate the most energy?
8:00 am
12:00 pm
4:00 pm
The time of day does not matter
- 11. Multiple Choice
Which claim best explains how sound can make another object move?
Sound starts with the receiver and then moves trough the sound source.
Sound is created by the sound source and then moves through the sound receiver.
Sound is created by the sound source, then moves through the sound receiver, and stops once it reaches air particles.
Sound is created by the sound source, then travels in waves through air particles it reaches the sound receiver.
- 12. Multiple Choice
What can sound travel through?
Solids
Liquids
Gases
All types of matter
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