Sound

How is sound produced?

• By turning on a light

• By complete silence

• By vibrations

• By the movement of air only

What happens when you change the strength of vibrations?

• The sound gets louder or softer

• The color of the sound changes

• The sound disappears

• Nothing happens

Tags

NGSS.MS-PS4-1

How can sound be used to communicate?

• Through spoken words and music

• By dancing

• By writing letters

• By painting pictures

What could you use to carry out an investigation on sound?

• A flashlight

• A piece of paper

• Everyday objects

• A silent room

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

What predicts the effects of changing the speed of vibrations?

• The size of the object

• The color of the object

• The material of the object

• The sound's pitch changes

Which property of sound determines its loudness?

• Frequency

• Amplitude

• Velocity

• Wavelength

Tags

NGSS.MS-PS4-1

What does the pitch of a sound depend on?

• Amplitude of vibrations

• Size of the object producing the sound

• Speed of vibrations

• Material of the object producing the sound

How does the medium through which sound travels affect its speed?

• Sound travels faster in solids than in liquids and gases

• Sound travels at the same speed in all mediums

• Sound cannot travel through vacuum

• Sound travels faster in gases than in solids and liquids

Tags

NGSS.MS-PS4-2