Sound

Sound begin when something ___________

• bounces

• vibrates

• changes

• sings

Vibrate means:

• a) to spin around in circles

• b) to jump up and down

• c) to shake back and forth

Tags

NGSS.MS-PS4-2

NGSS.MS-PS4-1

Dropping a stone into a pond and plucking a guitar string both make....

• a) waves

• b) a mess

• c) mud

• d) light

Tags

NGSS.MS-PS4-2

NGSS.MS-PS4-1

Sound waves can travel through:

• a) solids

• b) liquids

• c) gases

• d) all of the above

Tags

NGSS.MS-PS4-2

Sound waves do not travel at the same speed through all materials.

• True

• False

Tags

NGSS.MS-PS4-2

Sound volume describes...

• a) how annoying a sound it

• b) how beautiful a sound is

• c) how loud a sound is

Tags

NGSS.MS-PS4-1

Loud sounds are made by objects that vibrate with more energy. Which of the following would be the loudest sound?

• Tapping your foot on the floor

• Stomping your foot on the floor

Tags

NGSS.MS-PS4-1

A sound's pitch describes....

• a) how loud or soft it is

• b) how high or low it is

• c) how good or bad it is

What happens to the pitch of a sound when the frequency of the vibration increases?

• a) It becomes louder

• b) It becomes softer

• c) It becomes higher

• d) It becomes lower

What happens when an object vibrates faster?

• a) The sound becomes louder

• b) The sound becomes softer

• c) The sound pitch becomes higher

• d) The sound pitch becomes lower

Tags

NGSS.MS-PS4-2