Sound Waves

What is sound?

• A type of electromagnetic wave

• A form of energy that travels through air

• A visible light spectrum

• A chemical reaction

Tags

NGSS.MS-PS4-2

NGSS.MS-PS4-1

What is the result of the force of disturbance in sound waves?

• Molecules stop moving

• Molecules change color

• Molecules come closer together

• Molecules evaporate

Tags

NGSS.MS-PS4-1

What is the primary medium through which sound waves travel in the diagram?

• Water

• Air

• Metal

• Vacuum

Tags

NGSS.MS-PS4-2

What do the vibrations of a plucked guitar string cause?

• Heat and light

• Compressions and rarefactions

• Color changes

• Electrical signals

Tags

NGSS.MS-PS4-2

NGSS.MS-PS4-1

What action is mentioned in the text that causes vibrations in the medium?

• Shout

• Whisper

• Knock

• Clap

What is required for sound to travel?

• A vacuum

• A medium

• A solid object

• An empty space

What is the main reason sound cannot travel in space?

• Lack of air

• Lack of water

• Lack of light

• Lack of heat

What is missing in space that is essential for sound propagation?

• Molecules

• Light

• Heat

• Electricity

Why is there no sound in space?

• There is no air to carry sound waves.

• Space is too dark for sound.

• Space is too hot for sound.

• Sound waves are too small for space.

What happens to sound in a vacuum?

• It cannot travel.

• It travels faster.

• It becomes louder.

• It changes frequency.