sound

How is sound produced?

• By the vibration of particles
• By the transfer of particles 

Area of a longitudinal wave where particles are CLOSE together.

• Compression
• Rarefaction

Area of a longitudinal wave where particles are APART. 

• Compression
• Rarefaction

The reflection of sound waves off of a hard surface can create ______.

• A wave
• An echo 

________ describes how LOUD a sound is. 

• Amplitude
• Frequency 

____________ is determined by sound wave's frequency. 

• Compression
• Pitch 

_______ is the number of waves that pass a certain point at an specific time. 

• Frequency 
• Pitch
• Amplitude
• I don't know

_____________ is the highness or lowness of a sound.
(Hint: Think about our sound song.)

• Amplitude
• Pitch
• Volume
• Vibration

__________ means to move back and forth quickly.

• Pitch
• Amplitude
• Vibration
• Echo

Your ear changes the vibration of sound waves into signals. The signals are then interpreted by your brain.

• True
• False