Seeing Sound

Measure of how high or low a sound is

• amplitude

• compression

• speed of sound

• pitch

Tags

NGSS.MS-PS4-1

The pitch of a stringed instrument can be affected by 

• an object called a hammer

• the size of a player's fingers

• the length of its strings

• how hard it is struck or plucked

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

What would happen if you tighten the strings on a guitar?

• it would make a low pitch sound

• it would make a high pitch sound

• it produces a slow vibrations

• it produces low frequency

Tags

NGSS.MS-PS4-1

All sounds are made by ____ objects.

• warm

• cold

• reflecting

• vibrating

The farther away you are from a sound, the ___ the sound will be.

• softer

• louder

• higher

• lower

Yeli was at Busch Gardens.  She heard an a girl scream on one of the rides.  What did the pitch of her voice sound like and why? 

• The pitch was high because her vocal chords vibrated quickly

• The pitch was low because her vocal chords vibrated slowly. 

• The pitch was high because her vocal chords vibrated slowly. 

• The pitch was low because her vocal chords vibrated slowly. 

What is volume?

• how high or low a sound is

• the loudness or softness of a sound

• the number of vibrations per second

• vibrations

What would you predict about the pitch of the sound of rubber band B compared to rubber band A?

• The pitch of B is higher than the pitch of A.

• The pitch of B is louder than the pitch of A.

• The pitch of B is lower than the pitch of A.

• The pitch of B is softer than the pitch of A.

How can you change the pitch an object produces?

• make the vibration soft.

• make the vibration loud.

• make the vibration longer.

• make the vibration faster as it moves back and forth.

A sound that has been reflected off a surface

• Pitch

• Amplitude

• Frequency

• Echo

Tags

NGSS.MS-PS4-2