sound waves

The term for how high or low a sound is:

• pitch
• volume
• sound
• medium

The term for how loud or soft a sound is:

• pitch
• volume
• sound
• medium

Which feature of sound is determined by amplitude?

• Pitch
• Smoothness
• Loudness

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. 

What is changed in the second picture?

• Someone is talking louder in picture 2
• Someone is talking softer in picture 2
• Someone is talking lower pitch in picture 2
• Someone is talking higher pitch in picture 2

What is changed in the second picture?

• Someone is talking louder in picture 2
• Someone is talking softer in picture 2
• Someone is talking lower pitch in picture 2
• Someone is talking higher pitch in picture 2

Sound waves travel as __________ waves.

• transverse

• electromagnetic

• longitudinal

• surface

A back-and-forth motion causing particles to move close together generates a _________.

• rarefaction

• surface wave

• transverse wave

• compression

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