sound

How is sound produced?

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

Tags

NGSS.4-PS3-2

NGSS.4-PS4-1

Area of a longitudinal wave where particles are CLOSE together.

• Compression
• Rarefaction

Tags

NGSS.MS-PS4-1

Area of a longitudinal wave where particles are APART. 

• Compression
• Rarefaction

Tags

NGSS.4-PS4-1

Sound is caused by....

• molecules
• vibrations
• people
• space

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

Sound waves are what kind of wave?

• Longitudinal
• Transverse
• Surface
• Electromagnetic

Tags

NGSS.MS-PS4-1

True or False: Can sound travel through a vacuum (space).

• True
• False

True or False: Sound travels better through solids than through liquids

• True 
• False

Tags

NGSS.MS-PS4-2

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

What medium does sound travel through slowest?

• gas
• solid
• liquid
• trees