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

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

Revolt · Accepted Answer

They both use the reflection of sound waves.

Question 3

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 4

echolocation✔ ultrasonic cleanersultrasound imaging

Revolt · Accepted Answer

✔ ultrasonic cleaners

Question 5

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 6

Question 6

Revolt · Accepted Answer

B

Question 7

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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