L3 Video #4 Sound Waves

What is the main topic introduced by Mr. Reeves in the video?

• Animals and their sounds

• Sound waves and tuning forks

• Colors and shapes

• Mathematics and numbers

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

What does a tuning fork produce?

• Light

• Sound

• Electricity

• Heat

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

How does the size of a tuning fork affect its frequency?

• Bigger forks have lower frequency

• Smaller forks have lower frequency

• Size does not affect frequency

• Bigger forks have higher frequency

Tags

NGSS.HS-PS4-1

What happens when a vibrating tuning fork is placed in water?

• The water evaporates

• The water splashes

• The water changes color

• The water freezes

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

What can you see when the tuning fork is in the water?

• The forks stop moving

• The energy and speed of the forks

• The forks change color

• The forks disappear

Tags

NGSS.MS-PS4-2