SOUND

Sound is a form of energy produced by ______________.

• vibrations
• distances
• prisms
• Ms. Crews

Tags

NGSS.4-PS3-2

NGSS.4-PS4-1

Why are some libraries covered with carpet?

• So everyone can make a lot of noise

• to help absorb sounds and keep it quiet

• because it looks good

• to keep it clean

A reflected sound is called______.

• A Vibration

• An Echo

• A Pitch

• Volume

Unpleasant sounds create-

• melody

• noise pollution

• rythm

• joy to our ears

Guitar is a_______ instrument

• wind instrument

• percussion instrument

• string instrument

• none of the above

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.MS-PS4-1

Soft surfaces _______ sound waves. 

• Reflect
• Absorb

Tags

NGSS.4-PS3-2

NGSS.4-PS4-1

Sound does not travel in space because

• Space is too far away.

• There is no matter in space.

• Space absorbs the sound

• Space is very soft.

Animals make sounds to communicate with each other.

• TRUE

• FALSE

Sound is a form of? 

• energy
• pitch
• volume