Sound Wave, Frequency, Pitch, Decibel

Sound is caused by....

• molecules
• vibrations
• people
• space

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

What is frequency?

• the number of waves per second

• how high or low a sound is

• the loudness or softness of a sound

• the back and forth movement of matter

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

A longer string makes a _______ pitch than a short string.

• louder
• softer
• higher
• lower

What medium does sound travel through slowest?

• gas
• solid
• liquid
• trees

Tags

NGSS.MS-PS4-2

The highest pitch is made by the _______ instrument.

• biggest
• wooden
• smallest
• shiniest

What medium (solid, liquid, gas) does sound travel fastest through?

• solid
• liquid
• gas

Tags

NGSS.MS-PS4-2

______________ is the amount of energy in a sound wave.

• Amplitude
• Echo
• Volume
• Vibration

Tags

NGSS.MS-PS4-1

If a sound has a high amplitude then it also has a ____________!!!

• fast echo
• slow pitch
• high volume
• low volume

Tags

NGSS.MS-PS4-1

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

When the car moves AWAY from you, its horn seems...

• Low pitched
• High pitched
• Normal