PHYSICAL SCIENCE B EXAM QUESTIONS AND VERIFIED
CORRECT ANSWERS 2024
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?
Some mammals use echolocation to avoid obstacles.
A student took notes in class.
- Uses high frequency sound waves
- Creates images from echoes
- Has many applications
- Medical
- Pregnancy
- Kidney stones
- Cancer
- Injury identification
- Other
- Cleaning
- Identification of objects
- Breakdown of bacteria
- Production
Which would be the best title for these notes?
Ultrasound Technology
The sound waves a bat releases hit an object and are ________________ back to
the bat.
reflected
What do ultrasounds use?
sound waves
, Which patients could be best helped using ultrasound technology?
Ashley, Ron, and Lindsay
Which statement best describes echolocation in bats?
Echolocation helps bats find food and avoid flying into obstacles.
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.
A(n) __________ signal carries information by changing original sounds into
numbers.
Digital
An ultrasound tech is trying to identify an object, but the screen of the machine is
broken. Which statement best describes this situation?
NOT : The sound wave will not be generated, so there will be no echoes received.
& NOT : The generated sound wave will not be able to reflect off of the object.
Which best describes the process by which ultrasounds images are made?
High-frequency sound waves are generated by a machine and reflected off of objects,
creating echoes that are processed into images.
Which two animals use echolocation?
bats and dolphins
Which best describes the order of the technology used to transmit a sound
through the radio?
microphone → transmitter → radio
Which types of electromagnetic waves have higher frequencies than the waves
that make up ultraviolet light? Check all that apply.
gamma rays
X-rays
CORRECT ANSWERS 2024
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?
Some mammals use echolocation to avoid obstacles.
A student took notes in class.
- Uses high frequency sound waves
- Creates images from echoes
- Has many applications
- Medical
- Pregnancy
- Kidney stones
- Cancer
- Injury identification
- Other
- Cleaning
- Identification of objects
- Breakdown of bacteria
- Production
Which would be the best title for these notes?
Ultrasound Technology
The sound waves a bat releases hit an object and are ________________ back to
the bat.
reflected
What do ultrasounds use?
sound waves
, Which patients could be best helped using ultrasound technology?
Ashley, Ron, and Lindsay
Which statement best describes echolocation in bats?
Echolocation helps bats find food and avoid flying into obstacles.
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.
A(n) __________ signal carries information by changing original sounds into
numbers.
Digital
An ultrasound tech is trying to identify an object, but the screen of the machine is
broken. Which statement best describes this situation?
NOT : The sound wave will not be generated, so there will be no echoes received.
& NOT : The generated sound wave will not be able to reflect off of the object.
Which best describes the process by which ultrasounds images are made?
High-frequency sound waves are generated by a machine and reflected off of objects,
creating echoes that are processed into images.
Which two animals use echolocation?
bats and dolphins
Which best describes the order of the technology used to transmit a sound
through the radio?
microphone → transmitter → radio
Which types of electromagnetic waves have higher frequencies than the waves
that make up ultraviolet light? Check all that apply.
gamma rays
X-rays
