Sound Wave & Mediums

A reflected sound wave

• frequency
• pitch
• echo
• rarefaction

A wave that requires a medium through which to travel

• mechanical wave
• chemical wave
• electromagnetic wave
• pitch

Which statement about sound waves is true? 

• Air travels with them
• They travel through a vacuum
• They exist only if heard
• They can be reflected. 

If distance C on the diagram decreased, what would happen to the pitch? 

• The volume would be louder. 
• The volume would be softer. 
• The pitch would be higher. 
• The pitch would be lower. 

If the distance represented by the letter A were decreased, how would it change the way the sound was heard?

• The sound would be higher. 
• The sound would be lower. 
• The sound would be softer. 
• The sound would be louder. 

The number of wavelengths that pass a point each second

• frequency
• wavelength
• pitch
• amplitude

A medium is...

• a substance that transmits waves.
• a requirement for transmission of light waves.
• the movement of material in front of a sound wave.
• the density of air in a particular setting.

What does pitch depend on?

• amplitude 
• frequency
• intensity 
• volume of sound

When a sound is louder what measurement gets bigger?

• Frequency 
• Amplitude 
• Wavelength 
• Crest

True or False: Sound travels faster through solids than through liquids

• True 
• False