P12: L5 - Sound waves

This is the unit used to measure the volume of a sound. 

• Decibel
• Medium
• Vibration
• Oscilloscope

Tags

NGSS.MS-PS4-1

This is what you get when sound waves are reflected, or bounce back, off of a hard surface.

• Amplitude
• Pitch
• Volume
• Echo

Tags

NGSS.MS-PS4-2

The speed of a sound wave depends on

• the frequency
• the medium
• both air temperature and medium
• the air temperature

Tags

NGSS.HS-PS4-1

Lance and Kasi conduct an activity using a slinky. Lance fixes one end of the slinky against a fixed support. He then moves the slinky back and forth, as shown.

Kasi sees the wave moving towards the fixed support. What is true for this mechanical wave?

• It transmits energy only

• It transmits matter only

• It transmits both matter and energy

• It transmits both energy and a medium

What is something natural that Sound cannot travel through?

• Water
• Air
• Liquids
• outer Space

Tags

NGSS.HS-PS4-1

What is changed in the second picture?

• Someone is talking louder in picture 2
• Someone is talking softer in picture 2
• Someone is talking lower pitch in picture 2
• Someone is talking higher pitch in picture 2

Tags

NGSS.HS-PS4-1

What is changed in the second picture?

• Someone is talking louder in picture 2
• Someone is talking softer in picture 2
• Someone is talking lower pitch in picture 2
• Someone is talking higher pitch in picture 2

Tags

NGSS.MS-PS4-1

Sound is produced by something...

• echolocation

• vibrates

• vocal chords

A sound wave produced by a lower-pitched instrument has a low ___

• distance

• echolocation

• loudness

• frequency

A vibrating object causes this to move back and forth

• air molecules

• gases

• solids