Sound travels FASTEST through which of these materials?

• Air
• Empty space
• Metal
• Water

Tags

NGSS.MS-PS4-2

Sound is caused by? 

• force
• vibrations
• instruments

What is vibration?

• how loud a sound is
• the back and forth movement of matter
• how high or low a sound is
• the loudness or softness of a sound

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-5

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 is a form of? 

• energy
• pitch
• volume

Tags

NGSS.MS-PS4-1

Measure of how high or low a sound is

• amplitude
• compression
• speed of sound
• pitch

Tags

NGSS.MS-PS4-1

What medium does sound travel through slowest?

• gas
• solid
• liquid
• trees

Why is the school library covered with carpet?

• So everyone can make a lot of noise
• to help absorb sounds to keep it quiet
• because it looks good
• to help absorb sounds so it can stay noisy

Tags

NGSS.MS-PS4-2

Wave height

• frequency

• wavelength

• amplitude

• wave speed

Tags

NGSS.MS-PS4-1

All waves can be reflected

• true

• false

Tags

NGSS.MS-PS4-2