Sound

How is sound produced?

• By the vibration of particles
• By the transfer of particles 

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

The reflection of sound waves off of a hard surface can create ______.

• A wave
• An echo 

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Soft surfaces _______ sound waves. 

• Reflect
• Absorb

Tags

NGSS.MS-PS4-2

Sound travels FASTEST through which of these materials?

• Air
• Empty space
• Metal
• Water

Sound is caused by? 

• force
• vibrations
• instruments

Tags

NGSS.MS-PS4-1

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

Sound is a form of? 

• energy
• pitch
• volume

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Measure of how high or low a sound is

• amplitude
• compression
• speed of sound
• pitch

Tags

NGSS.MS-PS4-1

The highest pitch is made by the _______ instrument.

• biggest
• wooden
• smallest
• shiniest

What is volume?

• how high or low a sound is
• the loudness or softness of a sound
• the number of vibrations per second
• vibrations