Sonar

What does SONAR stand for?

• Sound Ranging Technology

• Signals Over New Areas & Ranges

• Sound Navigation and Ranging

• Speed of Naviance Acoustic Rounds

Tags

NGSS.MS-PS4-2

What is the formula for sonar

• P=2(I+w)

• time of signal travel back/2 x the speed of the waves

• There isn’t one

• Y=mx+b

Tags

NGSS.MS-PS4-2

What doesn't SONAR detect

• The shape of the seafloor

• Sea life (fish, dolphin, coral, kelp etc.)

• Methane Seeps or gas blooms

• Other ships on the surface

Tags

NGSS.MS-ESS2-3

A multibeam sonar system uses _______ transducers pointing at different angles to create a swath of signals

• multiple

• cone

• above water

• silent

a single-beam echosounder that measures distances up to 50 meters is referred to as a _____

• click

• ping

• echo

• bounced signal

Tags

NGSS.MS-PS4-2

Single beam sonar only measures __

• forward and back of the ship

• above and below water

• in multiple directions

• A point beneath the ship

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

Tags

NGSS.MS-PS4-2

What is the speed of sound in seawater?

• 1500 m/s

• 343 m/s

• 5300 m/s

• 747 m/s

Tags

NGSS.MS-PS4-2

What is another term used for seafloor mapping?

• Bathymetry

• Telemetry

• Biography

• Oceanography

Tags

NGSS.MS-ESS2-3

Device that converts variations in a physical quantity, such as pressure or sound, into an electrical signal.

• Transducer

• Sonar

• Echolocation

• Ping