Ultrasound

__________________________ waves have frequencies over 20,000 Hz.

• infared

• Light

• Echo

• ultrasound

Tags

NGSS.HS-PS4-1

You cannot hear ultrasound because it is:

• too loud

• too quiet

• high frequency

• low frequency

Ultrasound occurs at frequencies above 20,000 Hz.

• True

• False

Which type of vibrations have the HIGHEST amount of energy?

• infrasound

• sound

• ultrasound

• They all have the same

  amount of energy.

Tags

NGSS.MS-PS4-1

How does the principle of echolocation relate to ultrasound imaging?

• It uses magnetic fields to locate objects.

• It uses X-rays to create echoes.

• It uses sound waves to create images based on echoes received.

• It involves the use of gamma rays to detect motion.

Tags

NGSS.MS-PS4-2

Which of the following is an application of sound waves in technology?

• X-rays

• Ultrasound imaging

• Infrared cameras

• Microwaves

Tags

NGSS.MS-PS4-2

What is ultrasound mostly used for ?

• Shipping

• Military

• Medical use

• Firefighter

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

The sonar that boats use for ultrasound is to determine the distance that an object is underwater.

• True

• False

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Which of these animals use(s) echolocation? Choose all that apply.

• bats

• dolphins

• elephants

• cats

• owls

Sound with a frequency higher than humans can hear is ___.

• ultrasound

• supersonic

• hypersonic

• magic