HMH Waves Quiz 2

What property of a sound wave is a sound's volume related to?

• period

• frequency

• amplitude

• wavelength

Tags

NGSS.MS-PS4-1

Which property of a sound wave is related to the pitch of the sound?

• period

• frequency

• amplitude

• wavelength

Through which of these media do sound waves travel most slowly?

• air

• iron

• wood

• water

Tags

NGSS.MS-PS4-2

When a mechanical wave travels from its source, the wave's energy decreases. Why?

• period decreases

• amplitude decreases

• frequency decreases

• wavelength decreases

Tags

NGSS.MS-PS4-1

A reflected sound wave

• frequency
• pitch
• echo
• rarefaction

Tags

NGSS.MS-PS4-2

A wave that requires a medium through which to travel

• mechanical wave
• chemical wave
• electromagnetic wave
• pitch

Tags

NGSS.MS-PS4-2

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. 

Tags

NGSS.MS-PS4-2

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. 

Tags

NGSS.MS-PS4-1

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. 

Tags

NGSS.MS-PS4-1

The number of wavelengths that pass a point each second

• frequency
• wavelength
• pitch
• amplitude