sound waves

Sound waves travel as _________ waves.

• transverse

• electromagnetic

• longitudinal

• surface

If the distance represented by the letter A (the amplitude) were increased, how would it change the sound?

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

A rarefaction is generated when particles move _______.

• together

• apart

• closer

• under

In which of these types of media will sound travel fastest?

• solid

• liquid

• gas

• vacuum

The highness or lowness of a sound is its ____________.

• pitch

• volume

• amplitude

• frequency

The number of wavelengths that pass a point each second

• frequency
• wavelength
• pitch
• amplitude

What does the line that runs from crest to crest on this wave represent?​ (a)  

• wavelength
• amplitude
• frequency

Sound waves can only travel through​ (a)  

• matter
• vacuum
• space

What is Letter A?

• Crest

• Wavelength

• Amplitude

• Frequency

What is letter B?

• Crest

• Wavelength

• Trough

• Frequency