Solution 5.2

How does this instrument make sound?

• The strings vibrate.

• The drum is struck.

• The drum is shaken.

Tags

NGSS.MS-PS4-2

How does this instrument make sound?

• The musician blows into a mouthpiece.

• The wind causes the strings to vibrate.

• As the bow goes across the strings, it causes vibrations in the violin.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

A student plans to investigate how sound changes when 4 bottles with different amounts of liquid are struck with a mallet. In which order must the bottles be placed so that the sound changes from a low pitch to a high pitch?

• A,B,D,C

• B,A,D,C 

• B,C,A,D

• C,D,B,A

What type of sound is heard when fewer molecules have been vibrated with less force?

• Soft Sound

• Loud Sound

Tags

NGSS.MS-PS4-1

A soft sound occurs when a sound wave has a...

• Small (Low) Amplitude

• Large (High) Amplitude

Tags

NGSS.MS-PS4-1

What type of sound is heard when many molecules have been vibrated with much force?

• Soft Sound

• Loud Sound

Tags

NGSS.MS-PS4-1

What is determined by the amount of energy in a sound wave? (volume)

• Amplitude

• Pitch

Tags

NGSS.MS-PS4-1

• 4.28

• 5.28

• 6.28

• 7.28

A solution has a pH of 5.2. Which of the following best describes the solution?

• Strongly acidic

• Weakly acidic

• Neutral

• Weakly basic