Pitch, Echolocation & Infrared

What elements influence the frequency of sound?

• Thickness of string

• Length of string

• Loudness

• Size of instrument

Which string produce higher pitch?

• Shorter and thinner string
• Longer and thicker string
• Shorter and thicker string

• Darker colored string
• Longer and thinner string

Which instrument produce higher pitch sound?

• 
• 
• 
• 

Tags

NGSS.MS-PS4-1

Which instrument produce the lowest pitch sound?

• 
• 
• 
• 

Which string produce lowest pitch?

• 0.3 m

• 5 cm

• 10 cm

• 20 cm

Which string produce highest pitch?

• 0.3 m

• 0.2 m

• 5 cm

• 10 cm

Which string produce the highest pitch?

• f

• d

• e

• a

Which string produce the lowest pitch?

• f

• d

• e

• a

Tags

NGSS.MS-PS4-2

If you would want to produce the highest pitch sound to call for help, how would you design your instrument?

Answer explanation

The particles need to vibrate faster, so need small instrument with short and thin string

Tags

NGSS.MS-ETS1-1

NGSS.MS-PS4-1

NGSS.MS-PS4-2

If you would want to produce an instrument with the lowest pitch sound, how would you design your instrument?

Answer explanation

The particles need to vibrate slower, so need big instrument with long and thick string

Tags

NGSS.HS-PS4-1