Physics of Sound

Sonar and echolocation use ----- to detect objects under water.

• Refraction

• Reflection

Tags

NGSS.MS-PS4-2

If you roll a large sheet of paper into a funnel, you can hear the sound better.  This process of increasing the loudness of a sound is called

• measuring a wave

• absorption

• reflection

• amplification

Which of the following would you hear as a low pitched sound? 

• sound wave with a frequency of 50 Hz

• sound wave with frequency of 10,000 Hz

• sound wave with an intensity of 10 dB

• sound wave with an intensity of 100 dB

Sound travels FASTEST through which of these materials?

• A type of gas, like helium

• Empty space

• A metal such as iron

• Water

Tags

NGSS.MS-PS4-2

A student holds two vibrating objects.  Object A is vibrating faster than object B.  Which statement is true?

• A is louder than B

• B is louder than A

• A will have a higher pitch than B

• B will have a higher pitch than A

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

After the train passed, the pitch of the train whistle became lower. This change in sound would be represented by what change in the diagram above?

• The distance represented by C would increase.

• The distance represented by C would decrease.

• The distance represented by D would increase.

• The distance represented by D would decrease.

Tags

NGSS.MS-PS4-1

Which wave in the diagram has the greatest frequency?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS4-1

What type of interference do noise cancelling headphones use?

• Constructive Interference

• Destructive Interference

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-5

When you make sounds by plucking a rubber band, you make the rubber band move back and forth very quickly.  This movement is called.

• loudness

• amplitude

• pitch

• vibration

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2