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WorksheetsSonar quiz
Total questions: 11
Worksheet time: 6mins
When was sonar invented
1917
1932
1913
1927
What is sonar used for
To detect fish and any other living things
To detect the distance and direction of under water objects
To catch fish and other Living things
To detect distance of objects underwater
Why doesn’t sonar work in the air
Air is less dense than water
Air is more dense than water
Air does not carry sound waves as fast as water
A and C
What measures the time difference between the sound and its echo
Hearing aid
Sonar device
Solar plant
Satellite
When a sounds hits a surface it
Reflected
Echoed
Lost
Stuck
What does sonar not measure
Distance
Pressure
Direction
Speed
Sonar evaluation
Radar
Microbiology
Music
Fishing
Some radar uses
Vaccine
Cave exploration
Photographs
Astronomy
What animals use sonar
Dolphins
Sharks
Bats
Salmon
What are the key elements in sonar
Send echo
Retriever
Sound source
TelePathic
What is the formula for sonar
P=2(I+w)
time it took to make travel back/2 x the speed of the waves
There isn’t one
Y=mx+b
