sound waves

Which term describes the volume level, or "loudness/softness" of a sound?

• Amplitude
• Frequency
• Pitch

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.MS-PS4-1

Sound waves are what kind of wave?

• Longitudinal
• Transverse
• Surface
• Electromagnetic

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

• Decibel
• Medium
• Vibration
• Oscilloscope

Tags

NGSS.MS-PS4-1

The speed of a sound wave depends on

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

True or False: Sound travels better through solids than through liquids

• True 
• False

Tags

NGSS.MS-PS4-2

What is something natural that Sound cannot travel through?

• Water
• Air
• Liquids
• outer Space

Tags

NGSS.MS-PS4-2

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

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