Yr 7 Sound

The highest point on a wave

• trough
• amplitude
• crest
• wavelength

Tags

NGSS.MS-PS4-1

Compressions are...

• associated with transverse waves

• associated with longitudinal waves

• light waves

• visible light

Wave height

• frequency

• wavelength

• amplitude

• wave speed

Tags

NGSS.MS-PS4-1

The number of waves that pass in a given amount of time.

• wavelength

• wave speed

• amplitude

• frequency

Rarefactions are...

• were waves are farthest apart

• were waves are closest together

• associated with transverse waves

• found near the crest of a wave

Which surface is the best reflector of sound? 

• bumpy and soft
• smooth and soft
• smooth and hard
• bumpy and hard

Tags

NGSS.MS-PS4-2

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. 

Tags

NGSS.MS-PS4-1

Speed of sound waves travel depends on the

• distance between the vibration source and the receiver.

• type of material through which the sound travels.

• size of the object making the sound.

• type of device making the sound.

Tags

NGSS.MS-PS4-2

A longitudinal wave can travel through

• solids only

• liquids only

• gas, liquids, and solids

• gas and vacuum only

Tags

NGSS.MS-PS4-2

The most common unit to measure loudness is

• decibels

• pitch

• hertz