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- 1. Multiple ChoiceA disturbance that transfers energy from one place to another without transferring energywavetroughpitchsound
- 2. Multiple ChoiceA reflected sound wavefrequencypitchechorarefaction
- 3. Multiple ChoiceYou and your father inspect an empty house with the hopes of buying it. You walk through the rooms talking to one another, and you notice that your voices and footsteps are echoing in the big, empty house. What causes the echo?sound waves reflecting off smooth, flat surfaces throughout the housesound waves moving around the large roomssound waves moving slowly through airsound waves refracting around corners in the empty rooms
- 4. Multiple ChoiceCletus wants to make ear protectors for people who work around loud jet engines at Hartsfield Airport in Atlanta. Which of the following materials should he experiment with for the best results?a material that produces sounda material that absorbs sounda material that transmits sounda material that amplifies sound
- 5. Multiple ChoiceAs the fire truck approached Mary, the pitch of the siren got higher. Once the fire truck passed and moved away, the siren's pitch got lower. This change in pitch is because of a change in the sound wave'sconcussion.amplitude.reflection.frequency.
- 6. Multiple Choice
After the train passed, the pitch of the train whistle became lower. This change in sound would be represented by what change in the diagram above?The distance represented by C would increase.The distance represented by C would decrease.The distance represented by D would increase.The distance represented by D would decrease. - 7. Multiple ChoiceWhich of the following would you hear as a low pitched sound?sound wave with a frequency of 50 Hzsound wave with frequency of 10,000 Hzsound wave with an intensity of 10 dBsound wave with an intensity of 100 dB
- 8. Multiple ChoiceWhen a sound is louder what measurement gets bigger?FrequencyAmplitudeWavelengthCrest
- 9. Multiple ChoiceWhy is the school library covered with carpet?So everyone can make a lot of noiseto help absorb sounds to keep it quietbecause it looks goodto help absorb sounds so it can stay noisy
- 10. Multiple Choice
The speed of sound depends on these two things:
The type of medium and the temperature of the medium
Speed of the medium and temperature of the medium
Temperature of the medium and sound of the medium
None of the above
- 11. Multiple Choice
Sound waves travel the fastest through ---
Liquids
Gases
Solids
- 12. Multiple Choice
Sonar and echolocation use ----- to detect objects under water.
Refraction
Reflection
- 13. Multiple Choice
Sound waves that are beyond the range of human ear are known as ----
Infrasonic waves
Ultrasonic waves
- Answer choicesTagsAnswer choicesTags