Sound

True or False - Air moves with sound...

• False
• True

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 frequency?

• the number of waves per second
• how high or low a sound is
• the loudness or softness of a sound
• the back and forth movement of matter

Measure of how high or low a sound is

• amplitude
• compression
• speed of sound
• pitch

Tags

NGSS.MS-PS4-1

Why is sound able to travel faster through a solid than a gas?

• Gas molecules are closer together.
• Sound does not travel faster through a solid than a gas.
• The molecules in a solid are closer together (higher density)
• Gas molecules move slowly.

Sound does not travel in space because

• Space is too far away.
• There is no matter in space.
• Space is the final frontier
• Space has planets.

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

What medium does sound travel through slowest?

• gas
• solid
• liquid
• trees

Choose the word that belongs in the sentence. A sound wave is a type of ______________ wave.

• parallel
• transverse
• longitudinal
• perpendicular