Using Sound

Question 1

Which statement best describes echolocation in dolphins?

Revolt · Accepted Answer

Echolocation helps dolphins find food and avoid predators.

Question 2

Which statement best describes echolocation in bats?

Revolt · Accepted Answer

Echolocation helps bats find food and avoid flying into obstacles.

Question 3

What do ultrasounds use?

Revolt · Accepted Answer

sound waves

Question 4

Mammals are a large group of animals that includes humans, apes, dolphins, bears, bats, cats, and much more. Which statement can be made about this information?

Revolt · Accepted Answer

Some mammals use echolocation to avoid obstacles.

Question 5

Which is one way that ultrasound technology may be used?

Revolt · Accepted Answer

cleaning dirty surgical tools

Question 6

Which best describes the process by which ultrasounds images are made?

Revolt · Accepted Answer

High-frequency sound waves are generated by a machine and reflected off of objects, creating echoes that are processed into images.

Question 7

Which carries information by changing original sounds into numbers?

Revolt · Accepted Answer

digital signal

Question 8

Which best describes the way a sound wave is sent through the radio?

Revolt · Accepted Answer

sound wave → electrical signal → radio wave → sound wave

Question 9

What happens when the sound waves released by a bat hit an object?

Revolt · Accepted Answer

The sound waves are reflected.

Question 10

An ultrasound machine is being used to try to identify potential kidney stones. The machine is working properly and no kidney stones are found.Which statement best describes this situation?

Revolt · Accepted Answer

The generated sound wave will not be able to reflect off of the object.

Using Sound Answers

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