Speed of Sound

What is the boiling point of water in Celsius?

• 212

• 100

• 373.1

Sound is a _______ wave that needs a medium in order to propagate.

• Transverse

• Longitudinal

• Primary

• Secondary

Roughly what is the speed of sound in glass?

• About 50 m/s

• About 1 500 m/s

• About 4 500 m/s

• About 1800 m/s

Which letter(s) represent the trough of the wave?

• A
• B & D
• D
• C & G

What is another name for wave height?

• Frequency

• Amplitude

• Wavelength

• Origin

What is frequency?

• the number of vibrations per second

• how high or low a sound is

• the loudness or softness of a sound

• the back and forth movement of matter

Which factor does not affect the speed of sound:

• temperature
• distance
• density
• elasticity

Which of these sound waves has the highest frequency?

• 
• 
• 

A sound with a high frequency has a _____ pitch. A sound with a ____ frequency has a low pitch.

• high, low
• low, high
• medium, high
• high, medium

In the sound wave, what are the correct labels for areas X and Z?

• X = compression, Z = rarefaction

• X = trough, Z = crest

• X = crest, Z = trough

• X = rarefaction, Z = compression