Using Sound

Question 1

Why do animals use echolocation? Check all that apply.to find each otherto find foodto find warmer areasto find sunlightto find their way

Revolt · Accepted Answer

to find each other; to find food; to find their way

Question 2

What did you include in your response? Check all that apply.

Revolt · Accepted Answer

Submarines can release sound waves.; The sound waves will hit the bottom of the ocean.; The sound waves will be reflected back to the submarine as echoes.; The submarine can use the echoes created by the reflected waves to figure out how far it is from the bottom of the ocean.

Question 3

Which statement describes how echolocation and ultrasound imaging are the same?

Revolt · Accepted Answer

They both use the reflection of sound waves.

Question 4

How can submarines use echolocation to tell how close they are to the bottom of the ocean?

Revolt · Accepted Answer

Submarines release sound waves that travel to the ocean floor and bounce back as echoes. By measuring the time it takes for these echoes to return, the submarine can calculate its distance from the bottom.

Question 5

In which applications are sound waves reflected? Check all that apply.cleaning lensesdetecting diseasesdestroying cancer cellslocating damaged partsbreaking down kidney stonesmonitoring fetal development

Revolt · Accepted Answer

detecting diseases; locating damaged parts; monitoring fetal development

Question 6

echolocation✔ ultrasonic cleanersultrasound imaging

Revolt · Accepted Answer

ultrasonic cleaners

Question 7

Which statements describe a digital signal? Check all that apply.The signal is made of numbers.The signal degrades over time.The signal is continuous.The signal is not continuous.The signal picks up noise.

Revolt · Accepted Answer

The signal is made of numbers.; The signal is not continuous.

Question 8

Question 8

Revolt · Accepted Answer

87751

Question 9

For which job would a noise canceling device be the most beneficial?

Revolt · Accepted Answer

a carpenter using saws and cutting tools

Using Sound Answers

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