Sound waves

The number of wavelengths that pass a point each second

• frequency
• wavelength
• pitch
• amplitude

A wave in which the vibration is in the same direction as that in which the wave is traveling; sound waves

• longitudinal wave
• ocean wave
• transverse wave
• mechanical wave

The part of a longitudinal wave where the particles of the medium are close together.

• rarefaction
• compression
• crest
• trough

A part in a longitudinal wave where the particles are spread apart

• compression
• rarefaction
• crest
• trough

The number of wavelengths that pass a point each second

• crest
• amplitude
• frequency
• pitch

A reflected sound wave

• frequency
• pitch
• echo
• rarefaction

Highest point of a wave

• crest
• trough
• wavelength
• frequency

How does a sound wave interact with a human ear?

• vibrates the ear drum
• bounces off the ear canal
• rotates the ear drum
• vibrates the ear canal

If the distance represented by the letter A were increased, 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. 

A transverse wave is traveling through an unknown medium as shown in the diagram. How are the particles of the medium vibrating?

• parallel to the y-axis

• parallel to region R

• Parallel to the x-axis

• Parallel to Region Q