Sound

What medium does sound travel through slowest?

• gas
• solid
• liquid
• trees

What is vibration?

• fast movement that moves back and forth

• the loudness of a sound

• number of vibrations per second

• matter that carries sound waves

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

Sound travels FASTEST through which of these materials?

• Air
• Empty space
• Metal
• Water

Tags

NGSS.MS-PS4-2

High pitches are produced by objects vibrating _______________.

• quickly
• slowly

Tags

NGSS.HS-PS4-1

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

• Gas molecules are packed tightly.
• Sound does not travel faster through a solid than a gas.
• Solid molecules are packed tightly.
• Gas molecules move slowly.

Tags

NGSS.MS-PS4-2

NGSS.MS-PS3-4

What is volume?

• the loudness or softness of a sound
• vibrations
• the number of vibrations per second

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