Sonar

How does an echo occur?

• sound travels faster than light

• sound bounces off solids

• sound is absorbed by solids

Tags

NGSS.MS-PS4-2

Echolocation allows an animal to ...

• Climb trees faster

• Fly upside down

• See an "image" of a nearby object

• Find a friend

Tags

NGSS.MS-LS1-8

In echolocation, the animal uses echoes of sounds it produces to collect information about its surroundings.

• True

• False

Tags

NGSS.MS-LS1-8

Sound waves are

• Surface waves

• Longitudinal waves

• transverse waves

• all could be possible

Tags

NGSS.MS-PS4-2

What are two ways that an ultrasound is used?

• transverse waves and longitudinal waves

• sonar and ultrasound imaging

• hertz and meters 

• music instruments and amplify the sound

Tags

NGSS.MS-PS4-2

You cannot hear ultrasound because it is:

• Too quiet

• Too loud

• Frequency is too high

• Frequency is too low

What does SONAR stand for?

• Sound Navigation and Ranging

• Sound Oscillation and Reflection

• Signal Navigation and Radar

• Signal Oscillation and Ranging

Tags

NGSS.MS-PS4-2

Which of the following is a primary use of SONAR technology?

• Detecting underwater objects

• Measuring air pressure

• Calculating wind speed

• Monitoring volcanic activity

Tags

NGSS.MS-PS4-2

How does SONAR determine the distance to an object?

• By measuring the time it takes for sound waves to return

• By calculating the frequency of sound waves

• By analyzing the amplitude of sound waves

• By observing the color change in sound waves

Tags

NGSS.MS-PS4-2

What type of waves does SONAR use?

• Radio waves

• Sound waves

• Light waves

• Microwaves

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-5