Loudness and Pitch

What medium does sound travel through slowest?

• gas
• solid
• liquid
• trees

Sound is caused by....

• molecules
• vibrations
• people
• space

What is frequency?

• the number of vibrations 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.4-PS4-1

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

• solid
• liquid
• gas

Tags

NGSS.MS-PS4-2

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

• high pitch

• low pitch

• high volume

• low volume

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

The human ear can hear a minimum of ____Hz.

• 20 Hz

• 10 Hz

• 30 Hz

• 50 Hz

The human ear can hear up to ___________Hz

• 25.000 Hz

• 20.000 Hz

• 85.000 Hz

• 50.000 Hz

What is amplitude?

• the number of vibrations per second

• how high or low a sound is

• the distance between the middle and the peak of a wave

• the back and forth movement of matter

If a sound has a high frequency then it also has a ____________

• high pitch

• low pitch

• high volume

• low volume