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WorksheetsUsing Sound Questions
Total questions: 10
Worksheet time: 23mins
Describe at least three different ways that people use sound.
Locate underwater objects, Speakers, Treat Medical Ailments
Sound Systems, Treat Medical Ailments, Diagnose medical problems
Locate underwater objects, Treat medical Ailments, diagnose medical problems
We do not have three ways to use Sound
What is Sonar?
is sound with frequency about 20,000 Hz
is a system that uses the reflection of underwater sound waves to detect objects
is the study of sound
is the process of locating objects by emitting sounds and then interpreting the sound waves that are reflected from those objects.
Sound travels at about 1,500 m/s in seawater. How far will a sonar pulse travel in 46 seconds?
33 meters
69,000 meters
690 meters
32 meters
What is sound with Frequency above 20,000 Hz and can not be heard by humans called?
Ultrasound
Sonar
Echolocation
Acoustics
Acoustics is …..
the process of located objects by emitting sounds and then interpreting the sounds waves that are reflected from those objects.
is the study of sound.
is a system that uses the refection of underwater sound waves to detect objects.
is sounds with frequency above 20,000 Hz and can not be heard by humans.
Calculate Time: How long will it take for an undersea sonar to travel 3 km?
4,500 seconds
2 seconds
500 seconds
20 seconds
____ is the process of locating objects by emitting sounds and then interpreting the sounds waves that are reflected from those objects.
Acoustics
Echolocation
Sonar
Ultrasound
A ____ is a unit of sound intensity
Cochlea
Doppler effect
Loudness
decibel
Bats use _____ to locate moths and other prey
Echolocation
Acoustics
Doppler Effect
Sonar
What would a ship use to identify the bottom of a river?
Doppler Effect
Echolocation
Sonar
Acoustics
