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- 1. Multiple Choice
Sound moves in a _________.Transverse waveLongitudinal wave - 2. Multiple ChoiceHow is sound produced?By the vibration of particlesBy the transfer of particles
- 3. Multiple ChoiceWhich device measures sound waves?OscilloscopeStethoscopeRadioI don't know
- 4. Multiple ChoiceSoft surfaces _______ sound waves.ReflectAbsorb
- 5. Multiple Choice__________ means to move back and forth quickly.PitchAmplitudeVibrationEcho
- 6. Multiple ChoiceYour ear changes the vibration of sound waves into signals. The signals are then interpreted by your brain.TrueFalse
- 7. Multiple ChoiceSound waves travel the FASTEST through _____________.gasesliquidssolids
- 8. Multiple ChoiceSound waves travel the SLOWEST through _____________.gasessolidsliquids
- 9. Multiple ChoiceWhy can't we hear sound in space?can't take our helmet off to hearSpace has no mass / no gas/ solids/ liquidsbecause it's darkDon't know, I've never been to space
- 10. Multiple ChoiceWhy do we see lightning before we hear the thunder?Our eyes trick usLight travels faster than soundthey're two separate things
- 11. Multiple ChoiceWhat happens to our hearing if we listen to loud noises all the time?We appreciate music betterwe get a ringing in our earswe start to experience hearing loss
- 12. Multiple ChoiceSound is a form of?energypitchvolume
- 13. Multiple Choice
A place where no sound exists is...
in the air
under water
space
all of the above
- 14. Multiple ChoiceWhy is sound able to travel faster through a solid than a gas?Gas molecules are packed tightly.Sound does not travel faster through a solid than a gas.Solid molecules are packed tightly.Gas molecules move slowly.
- 15. Multiple ChoiceYou stand outside a room that has the doors and windows closed. Why can you still hear sounds made inside the room?Vibrations are absorbed in the doors and windowsVibrations are reflected inside the roomVibrations travel through the door and the windowVibrations echo in the room
- 16. Multiple Choice
Which of these is NOT a medium?
light
air
wood
metal
- 17. Multiple Choice
When people speak their ________ vibrate.
ear drums
vocal chords
ears
tongue
- 18. Multiple ChoiceTwo identical strings are the same length. One of the strings is pulled tightly and the other string is more loose.
Identify which string will produce a higher-pitched sound when the strings are pluckedthe tight stringthe loose string - 19. Multiple ChoiceThe part of the ear that vibrates first when hearing a soundeardrumcochleaOuter eaLobe
- 20. Multiple ChoiceThis machine allows scientists to "see" soundwaves on a monitor. With it they are able to measure the frequency, wavelength, and amplitude of different soundwaves.DecibelMediumVibrationOscilloscope
- Answer choicesTagsAnswer choicesTags