WorksheetsSonar P1
Total questions: 10
Worksheet time: 5mins
What is sound?
It is a pressure wave that is created by a vibrating object
It is when hearing explosion
It is receiving information from a ping
it is movement of wave from one point to another
Can we hear sound in a vacuum?
Yes
No
Maybe
The wave that oscillates parallel to the wave direction with compress and expanse motion?
Longitudinal wave
Transverse wave
Sinusoidal wave
Micro wave
What is Echolocation?
The location of objects by reflected sound
The location of sound source
The sound of location interest
The detection of sound in cave
What is Echo?
It is the reflection of the sound waves
It is the propagation of the sound wave
It is the ultraviolet radiation reflection
It is a sound made by transmitter
What is the speed of sound in seawater?
1500 m/s
343 m/s
5300 m/s
747 m/s
Why can't we see clearly underwater?
Lower levels of illumination
Canceling focus by water
Salinity Properties
Light rays are hardly bent
How sound is made?
From vibration that disturbs the surround molecules
Ultrasonic transmission from transmitter
The ossicles detection pass into the inner ear
The ability to perceive sounds by detecting vibrations
What is another term used for seafloor mapping?
Bathymetry
Telemetry
Biography
Oceanography
How animal hunts in the dark, without using their eyes?
Echolocation
Echoranging
Reflection
Ultrasound
