Using Sound - Assessment

1.

Multiple Choice

30 sec

1 pt

Which refers to a method that relies on sound waves and is used by different animal species for navigation, communication, and finding food?

echolocation

analog signaling

infrared detection

digital location

2.

Multiple Choice

30 sec

1 pt

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

The sound waves are diffused.

The sound waves are reflected.

The sound waves are refracted.

The sound waves are absorbed.

3.

Multiple Choice

30 sec

1 pt

Which statement best describes echolocation in bats?

Echolocation helps bats find food only.

Echolocation helps bats find food and avoid flying into obstacles.

Echolocation helps bats avoid flying into obstacles only.

Echolocation is not used in bats.

4.

Multiple Choice

30 sec

1 pt

Which statement best describes echolocation in dolphins?

Echolocation helps dolphins find food only.

Echolocation helps dolphins find food and avoid predators.

Echolocation helps dolphins avoid predators only.

Echolocation is not used in dolphins.

5.

Multiple Choice

30 sec

1 pt

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?

All mammals use echolocation to find food.

Some mammals use echolocation to avoid obstacles.

All mammals use walking as their primary means of transportation.

Some mammals need to find food to survive.

6.

Multiple Choice

30 sec

1 pt

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

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

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

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

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

7.

Multiple Choice

30 sec

1 pt

What do ultrasounds use?

radio waves

ultraviolet waves

light waves

sound waves

8.

Multiple Choice

30 sec

1 pt

An ultrasound tech is trying to identify an object, but the machine is broken and is not sending out the sound wave. Which statement best describes this situation?

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

The sound wave will not be generated, so there will be no echoes received.

The echoes will be made but will be unable to be received by the machine.

The machine will not be able to process the received echoes into images.

9.

Multiple Choice

30 sec

1 pt

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?

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

The sound wave will not be generated, so there will be no echoes received.

The echoes will be made but will not be able to be received by the machine.

The machine will not be able to process the received echoes into images.

10.

Multiple Choice

30 sec

1 pt

A student took notes in class.

Which would be the best title for these notes?

Echolocation

Ultrasound Technology

Digital Signal

Analog Signal

11.

Multiple Choice

30 sec

1 pt

Which is one way that ultrasound technology may be used?

repairing fractured bones

locating misplaced electrical equipment

cleaning dirty surgical tools

canceling out unwanted noise

12.

Multiple Choice

30 sec

1 pt

Four patients have been diagnosed with medical issues.

Which patients could be best helped using ultrasound technology?

Josh, Ashley, and Lindsay

Josh

Ron

Ashley, Ron, and Lindsay

13.

Multiple Choice

30 sec

1 pt

Which carries information by copying an original sound?

analog signal

digital signal

volume

frequency

14.

Multiple Choice

30 sec

1 pt

Which carries information by changing original sounds into numbers?

analog signal

digital signal

volume

frequency

15.

Multiple Choice

30 sec

1 pt

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

sound wave → radio wave

radio wave → sound wave

radio wave → sound wave → electrical signal → sound wave

sound wave → electrical signal → radio wave → sound wave

16.

Multiple Choice

30 sec

1 pt

Four different people are using sound wave technology.

Which describes the form of technology most likely being used by each person?

Ali is using specialized headphones, Megan is using a microphone, Kristoff is using a transmitter, and Jenna is using a radio.

Ali is using a radio, Megan is using a microphone, Kristoff is using a transmitter, and Jenna is using specialized headphones.

Ali is using a radio, Megan is using a transmitter, Kristoff is using a microphone, and Jenna is using specialized headphones.

Ali is using specialized headphones, Megan is using a transmitter, Kristoff is using a microphone, and Jenna is using a radio.

17.

Multiple Choice

30 sec

1 pt

Which two animals use echolocation?

bats and humans

bats and dolphins

dolphins and humans

dolphins and butterflies

18.

Multiple Choice

30 sec

1 pt

An ultrasound tech is trying to identify an object, but the screen of the machine is broken. Which statement best describes this situation?

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

The sound wave will not be generated, so there will be no echoes received.

The echoes will be made but will not be able to be received by the machine.

The machine will not be able to process the received echoes into images.

19.

Multiple Choice

30 sec

1 pt

What do digital signals turn sounds into?

analog signals

interference

continuity

zeros and ones

20.

Multiple Choice

30 sec

1 pt

Which best describes the order of the technology used to transmit a sound through the radio?

microphone → transmitter → microphone

radio → transmitter → radio

radio → transmitter → microphone

microphone → transmitter → radio

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