sounds range in which humans can hear
20-20000 hertz
How high or low a sound is called the ....
Pitch
A sound that is repeated because the sound wave reflected or bounced back from a distant object.
echo
What is a vacuum?
A space where no particles of matter exist
Whai is a system that uses reflected sound waves to detect and locate objects underwater
Sonar (Sound Navigation and Ranging)
Sound waves need to travel through a medium, or material. True or False?
True
What is an electronic device used to visualize sound waves?
Cathode Ray Oscilloscope
The speed of sound travels SLOWEST in which medium?
Gas
Human can hearing range
20 - 20,000Hz
You can hear a scream in outer space. True or False?
False, Sound wave need medium
Sound is caused by ...
Vibration
Unit of measurement of frequency
Hertz
Sound navigation and ranging-which measures the time it takes for sound to travel to the ocean bottom and back.
sonar
An increase in amplitude will result in volume going down. True or False?
False. It will go up
a picture of the human body using ultrasound
sonogram
The speed of sound travels FASTEST in which medium?
Solid