Light vs Sound flashcard

Front

Sound is produced when something ______________

Back

Vibrates

Front

_____ travels faster

Back

light

Front

A sound's high or low pitch depends on the waves ______________

Back

frequency

Front

These waves travel faster through empty space than through solid, liquid, or gas.

Back

Light

Front

_____ can absorb

Back

both

Front

What is the main difference between light and sound waves?

Back

Light waves are electromagnetic and can travel through a vacuum, while sound waves are mechanical and need a medium to travel.

Front

What is frequency in relation to sound?

Back

Frequency refers to the number of waves that pass a point in one second, determining the pitch of the sound.

Front

What is amplitude in sound waves?

Back

Amplitude is the height of the wave, which determines the loudness of the sound.

Front

Can sound travel through a vacuum?

Back

No, sound cannot travel through a vacuum because it needs a medium (solid, liquid, or gas) to propagate.

Front

What is an example of something that absorbs sound?

Back

Soft materials like carpets and curtains absorb sound.